id	sid	tid	token	lemma	pos
bece-91	1	1	research	research	NOUN
bece-91	1	2	on	on	ADP
bece-91	1	3	the	the	DET
bece-91	1	4	integration	integration	NOUN
bece-91	1	5	of	of	ADP
bece-91	1	6	stem	stem	NOUN
bece-91	1	7	education	education	NOUN
bece-91	1	8	into	into	ADP
bece-91	1	9	the	the	DET
bece-91	1	10	rural	rural	ADJ
bece-91	1	11	elementary	elementary	PROPN
bece-91	1	12	school	school	PROPN
bece-91	1	13	science	science	NOUN
bece-91	1	14	curriculum	curriculum	PROPN
bece-91	1	15	:	:	PUNCT
bece-91	1	16	an	an	DET
bece-91	1	17	example	example	NOUN
bece-91	1	18	from	from	ADP
bece-91	1	19	rural	rural	ADJ
bece-91	1	20	elementary	elementary	ADJ
bece-91	1	21	schools	school	NOUN
bece-91	1	22	in	in	ADP
bece-91	1	23	western	western	ADJ
bece-91	1	24	china	china	PROPN
bece-91	1	25	xiuping	xiuping	PROPN
bece-91	1	26	qiao	qiao	PROPN
bece-91	1	27	,	,	PUNCT
bece-91	1	28	1	1	NUM
bece-91	1	29	xinyi	xinyi	NOUN
bece-91	1	30	zhou	zhou	PROPN
bece-91	1	31	2	2	NUM
bece-91	1	32	1	1	NUM
bece-91	1	33	.	.	PUNCT
bece-91	1	34	jiujiang	jiujiang	PROPN
bece-91	1	35	elementary	elementary	PROPN
bece-91	1	36	school	school	PROPN
bece-91	1	37	,	,	PUNCT
bece-91	1	38	shuangliu	shuangliu	ADJ
bece-91	1	39	district	district	NOUN
bece-91	1	40	,	,	PUNCT
bece-91	1	41	chengdu	chengdu	PROPN
bece-91	1	42	610200	610200	NUM
bece-91	1	43	,	,	PUNCT
bece-91	1	44	sichuan	sichuan	PROPN
bece-91	1	45	,	,	PUNCT
bece-91	1	46	china	china	PROPN
bece-91	1	47	2	2	NUM
bece-91	1	48	.	.	PUNCT
bece-91	1	49	network	network	NOUN
bece-91	1	50	and	and	CCONJ
bece-91	1	51	information	information	NOUN
bece-91	1	52	center	center	PROPN
bece-91	1	53	of	of	ADP
bece-91	1	54	chengdu	chengdu	PROPN
bece-91	1	55	normal	normal	PROPN
bece-91	1	56	university	university	PROPN
bece-91	1	57	,	,	PUNCT
bece-91	1	58	chengdu	chengdu	PROPN
bece-91	1	59	610200	610200	NUM
bece-91	1	60	,	,	PUNCT
bece-91	1	61	sichuan	sichuan	PROPN
bece-91	1	62	,	,	PUNCT
bece-91	1	63	china	china	PROPN
bece-91	1	64	abstract	abstract	PROPN
bece-91	1	65	.	.	PUNCT
bece-91	2	1	due	due	ADP
bece-91	2	2	to	to	ADP
bece-91	2	3	the	the	DET
bece-91	2	4	limitation	limitation	NOUN
bece-91	2	5	of	of	ADP
bece-91	2	6	social	social	ADJ
bece-91	2	7	economic	economic	ADJ
bece-91	2	8	conditions	condition	NOUN
bece-91	2	9	,	,	PUNCT
bece-91	2	10	the	the	DET
bece-91	2	11	teaching	teaching	NOUN
bece-91	2	12	effect	effect	NOUN
bece-91	2	13	of	of	ADP
bece-91	2	14	science	science	NOUN
bece-91	2	15	in	in	ADP
bece-91	2	16	rural	rural	ADJ
bece-91	2	17	elementary	elementary	ADJ
bece-91	2	18	schools	school	NOUN
bece-91	2	19	remains	remain	VERB
bece-91	2	20	unsatisfactory	unsatisfactory	ADJ
bece-91	2	21	and	and	CCONJ
bece-91	2	22	poorly	poorly	ADV
bece-91	2	23	studied	study	VERB
bece-91	2	24	.	.	PUNCT
bece-91	3	1	this	this	DET
bece-91	3	2	research	research	NOUN
bece-91	3	3	integrates	integrate	VERB
bece-91	3	4	stem	stem	VERB
bece-91	3	5	education	education	NOUN
bece-91	3	6	into	into	ADP
bece-91	3	7	rural	rural	ADJ
bece-91	3	8	elementary	elementary	ADJ
bece-91	3	9	school	school	NOUN
bece-91	3	10	science	science	NOUN
bece-91	3	11	courses	course	NOUN
bece-91	3	12	to	to	PART
bece-91	3	13	explore	explore	VERB
bece-91	3	14	whether	whether	SCONJ
bece-91	3	15	stem	stem	NOUN
bece-91	3	16	courses	course	NOUN
bece-91	3	17	are	be	AUX
bece-91	3	18	effective	effective	ADJ
bece-91	3	19	in	in	ADP
bece-91	3	20	improving	improve	VERB
bece-91	3	21	students	student	NOUN
bece-91	3	22	’	’	PART
bece-91	3	23	knowledge	knowledge	NOUN
bece-91	3	24	and	and	CCONJ
bece-91	3	25	ability	ability	NOUN
bece-91	3	26	,	,	PUNCT
bece-91	3	27	asking	ask	VERB
bece-91	3	28	:	:	PUNCT
bece-91	3	29	are	be	AUX
bece-91	3	30	stem	stem	NOUN
bece-91	3	31	courses	course	NOUN
bece-91	3	32	better	well	ADJ
bece-91	3	33	than	than	ADP
bece-91	3	34	traditional	traditional	ADJ
bece-91	3	35	science	science	NOUN
bece-91	3	36	courses	course	NOUN
bece-91	3	37	in	in	ADP
bece-91	3	38	improving	improve	VERB
bece-91	3	39	students	student	NOUN
bece-91	3	40	’	’	PART
bece-91	3	41	knowledge	knowledge	NOUN
bece-91	3	42	and	and	CCONJ
bece-91	3	43	abilities	ability	NOUN
bece-91	3	44	?	?	PUNCT
bece-91	4	1	an	an	DET
bece-91	4	2	experimental	experimental	ADJ
bece-91	4	3	study	study	NOUN
bece-91	4	4	of	of	ADP
bece-91	4	5	stem	stem	NOUN
bece-91	4	6	curriculum	curriculum	NOUN
bece-91	4	7	teaching	teaching	NOUN
bece-91	4	8	was	be	AUX
bece-91	4	9	conducted	conduct	VERB
bece-91	4	10	in	in	ADP
bece-91	4	11	science	science	NOUN
bece-91	4	12	education	education	NOUN
bece-91	4	13	at	at	ADP
bece-91	4	14	jiujiang	jiujiang	PROPN
bece-91	4	15	elementary	elementary	PROPN
bece-91	4	16	school	school	PROPN
bece-91	4	17	in	in	ADP
bece-91	4	18	shuangliu	shuangliu	ADJ
bece-91	4	19	county	county	NOUN
bece-91	4	20	,	,	PUNCT
bece-91	4	21	chengdu	chengdu	PROPN
bece-91	4	22	,	,	PUNCT
bece-91	4	23	china	china	PROPN
bece-91	4	24	.	.	PUNCT
bece-91	5	1	the	the	DET
bece-91	5	2	experimental	experimental	ADJ
bece-91	5	3	group	group	NOUN
bece-91	5	4	receiving	receive	VERB
bece-91	5	5	stem	stem	NOUN
bece-91	5	6	classes	class	NOUN
bece-91	5	7	had	have	AUX
bece-91	5	8	increased	increase	VERB
bece-91	5	9	total	total	ADJ
bece-91	5	10	score	score	NOUN
bece-91	5	11	,	,	PUNCT
bece-91	5	12	basic	basic	ADJ
bece-91	5	13	knowledge	knowledge	NOUN
bece-91	5	14	,	,	PUNCT
bece-91	5	15	and	and	CCONJ
bece-91	5	16	ability	ability	NOUN
bece-91	5	17	expansion	expansion	NOUN
bece-91	5	18	compared	compare	VERB
bece-91	5	19	to	to	ADP
bece-91	5	20	the	the	DET
bece-91	5	21	control	control	NOUN
bece-91	5	22	group	group	NOUN
bece-91	5	23	receiving	receive	VERB
bece-91	5	24	traditional	traditional	ADJ
bece-91	5	25	classes	class	NOUN
bece-91	5	26	.	.	PUNCT
bece-91	6	1	this	this	PRON
bece-91	6	2	showed	show	VERB
bece-91	6	3	that	that	SCONJ
bece-91	6	4	the	the	DET
bece-91	6	5	integration	integration	NOUN
bece-91	6	6	of	of	ADP
bece-91	6	7	stem	stem	NOUN
bece-91	6	8	education	education	NOUN
bece-91	6	9	into	into	ADP
bece-91	6	10	rural	rural	ADJ
bece-91	6	11	elementary	elementary	ADJ
bece-91	6	12	school	school	NOUN
bece-91	6	13	science	science	NOUN
bece-91	6	14	courses	course	NOUN
bece-91	6	15	is	be	AUX
bece-91	6	16	feasible	feasible	ADJ
bece-91	6	17	and	and	CCONJ
bece-91	6	18	effective	effective	ADJ
bece-91	6	19	.	.	PUNCT
bece-91	7	1	best	good	ADJ
bece-91	7	2	evid	evid	PROPN
bece-91	7	3	chin	chin	PROPN
bece-91	7	4	edu	edu	PROPN
bece-91	7	5	2020	2020	NUM
bece-91	7	6	;	;	PUNCT
bece-91	7	7	5(1):581	5(1):581	NUM
bece-91	7	8	-	-	SYM
bece-91	7	9	590	590	NUM
bece-91	7	10	.	.	PUNCT
bece-91	8	1	doi	doi	NOUN
bece-91	8	2	:	:	PUNCT
bece-91	8	3	10.15354	10.15354	NUM
bece-91	8	4	/	/	SYM
bece-91	8	5	bece.20.ar034	bece.20.ar034	NOUN
bece-91	8	6	.	.	PUNCT
bece-91	9	1	keywords	keyword	NOUN
bece-91	9	2	:	:	PUNCT
bece-91	9	3	stem	stem	NOUN
bece-91	9	4	education	education	NOUN
bece-91	9	5	;	;	PUNCT
bece-91	9	6	chinese	chinese	ADJ
bece-91	9	7	elementary	elementary	ADJ
bece-91	9	8	education	education	PROPN
bece-91	9	9	;	;	PUNCT
bece-91	9	10	elementary	elementary	ADJ
bece-91	9	11	school	school	NOUN
bece-91	9	12	science	science	NOUN
bece-91	9	13	curriculum	curriculum	NOUN
bece-91	9	14	;	;	PUNCT
bece-91	9	15	rural	rural	ADJ
bece-91	9	16	school	school	NOUN
bece-91	9	17	;	;	PUNCT
bece-91	9	18	student	student	NOUN
bece-91	9	19	scientific	scientific	ADJ
bece-91	9	20	knowledge	knowledge	NOUN
bece-91	9	21	and	and	CCONJ
bece-91	9	22	ability	ability	NOUN
bece-91	9	23	about	about	ADP
bece-91	9	24	the	the	DET
bece-91	9	25	author	author	NOUN
bece-91	9	26	:	:	PUNCT
bece-91	9	27	xiuping	xiuping	PROPN
bece-91	9	28	qiao	qiao	PROPN
bece-91	9	29	,	,	PUNCT
bece-91	9	30	principal	principal	NOUN
bece-91	9	31	of	of	ADP
bece-91	9	32	jiujiang	jiujiang	PROPN
bece-91	9	33	elementary	elementary	PROPN
bece-91	9	34	school	school	PROPN
bece-91	9	35	,	,	PUNCT
bece-91	9	36	shuangliu	shuangliu	ADJ
bece-91	9	37	district	district	NOUN
bece-91	9	38	,	,	PUNCT
bece-91	9	39	chengdu	chengdu	PROPN
bece-91	9	40	610200	610200	NUM
bece-91	9	41	,	,	PUNCT
bece-91	9	42	sichuan	sichuan	PROPN
bece-91	9	43	,	,	PUNCT
bece-91	9	44	china	china	PROPN
bece-91	9	45	.	.	PUNCT
bece-91	9	46	email	email	NOUN
bece-91	9	47	:	:	PUNCT
bece-91	9	48	496569839@qq.com	496569839@qq.com	NUM
bece-91	9	49	;	;	PUNCT
bece-91	9	50	correspondence	correspondence	NOUN
bece-91	9	51	to	to	ADP
bece-91	9	52	:	:	PUNCT
bece-91	9	53	xinyi	xinyi	PROPN
bece-91	9	54	zhou	zhou	PROPN
bece-91	9	55	,	,	PUNCT
bece-91	9	56	professor	professor	NOUN
bece-91	9	57	,	,	PUNCT
bece-91	9	58	network	network	NOUN
bece-91	9	59	and	and	CCONJ
bece-91	9	60	information	information	NOUN
bece-91	9	61	center	center	NOUN
bece-91	9	62	of	of	ADP
bece-91	9	63	chengdu	chengdu	PROPN
bece-91	9	64	normal	normal	PROPN
bece-91	9	65	university	university	PROPN
bece-91	9	66	,	,	PUNCT
bece-91	9	67	chengdu	chengdu	PROPN
bece-91	9	68	610200	610200	NUM
bece-91	9	69	,	,	PUNCT
bece-91	9	70	sichuan	sichuan	PROPN
bece-91	9	71	,	,	PUNCT
bece-91	9	72	china	china	PROPN
bece-91	9	73	.	.	PUNCT
bece-91	10	1	email	email	NOUN
bece-91	10	2	:	:	PUNCT
bece-91	10	3	neemo@126.com	neemo@126.com	PROPN
bece-91	10	4	.	.	PROPN
bece-91	10	5	qiao	qiao	PROPN
bece-91	10	6	&	&	CCONJ
bece-91	10	7	zhou	zhou	PROPN
bece-91	10	8	.	.	PUNCT
bece-91	11	1	integration	integration	NOUN
bece-91	11	2	of	of	ADP
bece-91	11	3	stem	stem	NOUN
bece-91	11	4	into	into	ADP
bece-91	11	5	rural	rural	ADJ
bece-91	11	6	elementary	elementary	ADJ
bece-91	11	7	curriculum	curriculum	NOUN
bece-91	11	8	in	in	ADP
bece-91	11	9	china	china	PROPN
bece-91	11	10	vol.5	vol.5	PROPN
bece-91	11	11	,	,	PUNCT
bece-91	11	12	no	no	INTJ
bece-91	11	13	.	.	NOUN
bece-91	11	14	1	1	NUM
bece-91	11	15	,	,	PUNCT
bece-91	11	16	2020	2020	NUM
bece-91	11	17	582	582	NUM
bece-91	11	18	introduction	introduction	NOUN
bece-91	11	19	tem	tem	PROPN
bece-91	11	20	,	,	PUNCT
bece-91	11	21	short	short	ADJ
bece-91	11	22	for	for	ADP
bece-91	11	23	science	science	NOUN
bece-91	11	24	,	,	PUNCT
bece-91	11	25	technology	technology	NOUN
bece-91	11	26	,	,	PUNCT
bece-91	11	27	engineering	engineering	NOUN
bece-91	11	28	,	,	PUNCT
bece-91	11	29	and	and	CCONJ
bece-91	11	30	mathematics	mathematic	NOUN
bece-91	11	31	,	,	PUNCT
bece-91	11	32	emphasizes	emphasize	VERB
bece-91	11	33	the	the	DET
bece-91	11	34	intersection	intersection	NOUN
bece-91	11	35	and	and	CCONJ
bece-91	11	36	integration	integration	NOUN
bece-91	11	37	of	of	ADP
bece-91	11	38	multiple	multiple	ADJ
bece-91	11	39	disciplines	discipline	NOUN
bece-91	11	40	.	.	PUNCT
bece-91	12	1	since	since	SCONJ
bece-91	12	2	the	the	DET
bece-91	12	3	introduction	introduction	NOUN
bece-91	12	4	of	of	ADP
bece-91	12	5	stem	stem	NOUN
bece-91	12	6	education	education	NOUN
bece-91	12	7	in	in	ADP
bece-91	12	8	the	the	DET
bece-91	12	9	united	united	PROPN
bece-91	12	10	states	states	PROPN
bece-91	12	11	in	in	ADP
bece-91	12	12	1986	1986	NUM
bece-91	12	13	,	,	PUNCT
bece-91	12	14	both	both	DET
bece-91	12	15	developed	develop	VERB
bece-91	12	16	countries	country	NOUN
bece-91	12	17	,	,	PUNCT
bece-91	12	18	such	such	ADJ
bece-91	12	19	as	as	ADP
bece-91	12	20	those	those	PRON
bece-91	12	21	in	in	ADP
bece-91	12	22	europe	europe	PROPN
bece-91	12	23	and	and	CCONJ
bece-91	12	24	the	the	DET
bece-91	12	25	united	united	PROPN
bece-91	12	26	states	states	PROPN
bece-91	12	27	,	,	PUNCT
bece-91	12	28	and	and	CCONJ
bece-91	12	29	developing	develop	VERB
bece-91	12	30	countries	country	NOUN
bece-91	12	31	have	have	AUX
bece-91	12	32	increasingly	increasingly	ADV
bece-91	12	33	paid	pay	VERB
bece-91	12	34	attention	attention	NOUN
bece-91	12	35	to	to	AUX
bece-91	12	36	stem	stem	VERB
bece-91	12	37	education	education	NOUN
bece-91	12	38	.	.	PUNCT
bece-91	13	1	in	in	ADP
bece-91	13	2	china	china	PROPN
bece-91	13	3	,	,	PUNCT
bece-91	13	4	a	a	DET
bece-91	13	5	national	national	ADJ
bece-91	13	6	strategy	strategy	NOUN
bece-91	13	7	exists	exist	VERB
bece-91	13	8	to	to	PART
bece-91	13	9	vigorously	vigorously	ADV
bece-91	13	10	develop	develop	VERB
bece-91	13	11	stem	stem	NOUN
bece-91	13	12	education	education	NOUN
bece-91	13	13	through	through	ADP
bece-91	13	14	national	national	ADJ
bece-91	13	15	policy	policy	NOUN
bece-91	13	16	intervention	intervention	NOUN
bece-91	13	17	(	(	PUNCT
bece-91	13	18	yu	yu	PROPN
bece-91	13	19	&	&	CCONJ
bece-91	13	20	hu	hu	PROPN
bece-91	13	21	,	,	PUNCT
bece-91	13	22	2015	2015	NUM
bece-91	13	23	)	)	PUNCT
bece-91	13	24	.	.	PUNCT
bece-91	14	1	because	because	SCONJ
bece-91	14	2	stem	stem	NOUN
bece-91	14	3	education	education	NOUN
bece-91	14	4	has	have	AUX
bece-91	14	5	made	make	VERB
bece-91	14	6	outstanding	outstanding	ADJ
bece-91	14	7	contributions	contribution	NOUN
bece-91	14	8	to	to	ADP
bece-91	14	9	socioeconomic	socioeconomic	ADJ
bece-91	14	10	and	and	CCONJ
bece-91	14	11	technological	technological	ADJ
bece-91	14	12	development	development	NOUN
bece-91	14	13	in	in	ADP
bece-91	14	14	terms	term	NOUN
bece-91	14	15	of	of	ADP
bece-91	14	16	key	key	ADJ
bece-91	14	17	capabilities	capability	NOUN
bece-91	14	18	and	and	CCONJ
bece-91	14	19	innovative	innovative	ADJ
bece-91	14	20	thinking	thinking	NOUN
bece-91	14	21	,	,	PUNCT
bece-91	14	22	stem	stem	NOUN
bece-91	14	23	education	education	NOUN
bece-91	14	24	research	research	NOUN
bece-91	14	25	has	have	AUX
bece-91	14	26	also	also	ADV
bece-91	14	27	become	become	VERB
bece-91	14	28	a	a	DET
bece-91	14	29	hot	hot	ADJ
bece-91	14	30	topic	topic	NOUN
bece-91	14	31	that	that	PRON
bece-91	14	32	is	be	AUX
bece-91	14	33	experiencing	experience	VERB
bece-91	14	34	rapid	rapid	ADJ
bece-91	14	35	development	development	NOUN
bece-91	14	36	(	(	PUNCT
bece-91	14	37	li	li	PROPN
bece-91	14	38	et	et	PROPN
bece-91	14	39	al	al	PROPN
bece-91	14	40	.	.	PROPN
bece-91	14	41	,	,	PUNCT
bece-91	14	42	2019	2019	NUM
bece-91	14	43	)	)	PUNCT
bece-91	14	44	.	.	PUNCT
bece-91	15	1	the	the	DET
bece-91	15	2	research	research	NOUN
bece-91	15	3	includes	include	VERB
bece-91	15	4	four	four	NUM
bece-91	15	5	categories	category	NOUN
bece-91	15	6	:	:	PUNCT
bece-91	15	7	stem	stem	NOUN
bece-91	15	8	conceptualization	conceptualization	NOUN
bece-91	15	9	,	,	PUNCT
bece-91	15	10	educational	educational	ADJ
bece-91	15	11	equity	equity	NOUN
bece-91	15	12	,	,	PUNCT
bece-91	15	13	student	student	NOUN
bece-91	15	14	academic	academic	ADJ
bece-91	15	15	achievement	achievement	NOUN
bece-91	15	16	,	,	PUNCT
bece-91	15	17	and	and	CCONJ
bece-91	15	18	teaching	teaching	NOUN
bece-91	15	19	practice	practice	NOUN
bece-91	15	20	.	.	PUNCT
bece-91	16	1	the	the	DET
bece-91	16	2	focus	focus	NOUN
bece-91	16	3	of	of	ADP
bece-91	16	4	research	research	NOUN
bece-91	16	5	is	be	AUX
bece-91	16	6	gradually	gradually	ADV
bece-91	16	7	shifting	shift	VERB
bece-91	16	8	from	from	ADP
bece-91	16	9	value	value	NOUN
bece-91	16	10	-	-	PUNCT
bece-91	16	11	oriented	orient	VERB
bece-91	16	12	to	to	PART
bece-91	16	13	curriculum	curriculum	VERB
bece-91	16	14	practice	practice	NOUN
bece-91	16	15	(	(	PUNCT
bece-91	16	16	du	du	PROPN
bece-91	16	17	,	,	PUNCT
bece-91	16	18	2018	2018	NUM
bece-91	16	19	)	)	PUNCT
bece-91	16	20	.	.	PUNCT
bece-91	17	1	with	with	ADP
bece-91	17	2	the	the	DET
bece-91	17	3	rapid	rapid	ADJ
bece-91	17	4	development	development	NOUN
bece-91	17	5	of	of	ADP
bece-91	17	6	stem	stem	NOUN
bece-91	17	7	education	education	NOUN
bece-91	17	8	on	on	ADP
bece-91	17	9	a	a	DET
bece-91	17	10	global	global	ADJ
bece-91	17	11	scale	scale	NOUN
bece-91	17	12	,	,	PUNCT
bece-91	17	13	china	china	PROPN
bece-91	17	14	“	"	PUNCT
bece-91	17	15	has	have	AUX
bece-91	17	16	also	also	ADV
bece-91	17	17	entered	enter	VERB
bece-91	17	18	the	the	DET
bece-91	17	19	vigorous	vigorous	ADJ
bece-91	17	20	development	development	NOUN
bece-91	17	21	stage	stage	NOUN
bece-91	17	22	of	of	ADP
bece-91	17	23	stem	stem	NOUN
bece-91	17	24	education	education	NOUN
bece-91	17	25	,	,	PUNCT
bece-91	17	26	and	and	CCONJ
bece-91	17	27	has	have	AUX
bece-91	17	28	made	make	VERB
bece-91	17	29	significant	significant	ADJ
bece-91	17	30	progress	progress	NOUN
bece-91	17	31	in	in	ADP
bece-91	17	32	educational	educational	ADJ
bece-91	17	33	practice	practice	NOUN
bece-91	17	34	,	,	PUNCT
bece-91	17	35	theoretical	theoretical	ADJ
bece-91	17	36	research	research	NOUN
bece-91	17	37	and	and	CCONJ
bece-91	17	38	educational	educational	ADJ
bece-91	17	39	policy	policy	NOUN
bece-91	17	40	”	"	PUNCT
bece-91	17	41	(	(	PUNCT
bece-91	17	42	chinese	chinese	PROPN
bece-91	17	43	academy	academy	NOUN
bece-91	17	44	of	of	ADP
bece-91	17	45	educational	educational	ADJ
bece-91	17	46	sciences	science	NOUN
bece-91	17	47	,	,	PUNCT
bece-91	17	48	2017	2017	NUM
bece-91	17	49	)	)	PUNCT
bece-91	17	50	.	.	PUNCT
bece-91	18	1	in	in	ADP
bece-91	18	2	practical	practical	ADJ
bece-91	18	3	research	research	NOUN
bece-91	18	4	of	of	ADP
bece-91	18	5	stem	stem	NOUN
bece-91	18	6	courses	course	NOUN
bece-91	18	7	,	,	PUNCT
bece-91	18	8	higher	high	ADJ
bece-91	18	9	education	education	NOUN
bece-91	18	10	is	be	AUX
bece-91	18	11	the	the	DET
bece-91	18	12	main	main	ADJ
bece-91	18	13	research	research	NOUN
bece-91	18	14	object	object	NOUN
bece-91	18	15	and	and	CCONJ
bece-91	18	16	followed	follow	VERB
bece-91	18	17	by	by	ADP
bece-91	18	18	elementary	elementary	ADJ
bece-91	18	19	and	and	CCONJ
bece-91	18	20	middle	middle	ADJ
bece-91	18	21	school	school	NOUN
bece-91	18	22	education	education	NOUN
bece-91	18	23	there	there	PRON
bece-91	18	24	are	be	VERB
bece-91	18	25	also	also	ADV
bece-91	18	26	comparative	comparative	ADJ
bece-91	18	27	studies	study	NOUN
bece-91	18	28	on	on	ADP
bece-91	18	29	china	china	PROPN
bece-91	18	30	-	-	PUNCT
bece-91	18	31	american	american	PROPN
bece-91	18	32	stem	stem	NOUN
bece-91	18	33	education	education	NOUN
bece-91	18	34	.	.	PUNCT
bece-91	19	1	however	however	ADV
bece-91	19	2	,	,	PUNCT
bece-91	19	3	less	less	ADJ
bece-91	19	4	research	research	NOUN
bece-91	19	5	has	have	AUX
bece-91	19	6	been	be	AUX
bece-91	19	7	done	do	VERB
bece-91	19	8	on	on	ADP
bece-91	19	9	stem	stem	NOUN
bece-91	19	10	education	education	NOUN
bece-91	19	11	courses	course	NOUN
bece-91	19	12	in	in	ADP
bece-91	19	13	areas	area	NOUN
bece-91	19	14	with	with	ADP
bece-91	19	15	rural	rural	ADJ
bece-91	19	16	economic	economic	ADJ
bece-91	19	17	conditions	condition	NOUN
bece-91	19	18	in	in	ADP
bece-91	19	19	china	china	PROPN
bece-91	19	20	.	.	PUNCT
bece-91	20	1	rural	rural	ADJ
bece-91	20	2	areas	area	NOUN
bece-91	20	3	in	in	ADP
bece-91	20	4	china	china	PROPN
bece-91	20	5	account	account	VERB
bece-91	20	6	for	for	ADP
bece-91	20	7	94.7	94.7	NUM
bece-91	20	8	%	%	NOUN
bece-91	20	9	of	of	ADP
bece-91	20	10	the	the	DET
bece-91	20	11	country	country	NOUN
bece-91	20	12	’s	’s	PART
bece-91	20	13	land	land	NOUN
bece-91	20	14	area	area	NOUN
bece-91	20	15	,	,	PUNCT
bece-91	20	16	but	but	CCONJ
bece-91	20	17	this	this	DET
bece-91	20	18	vast	vast	ADJ
bece-91	20	19	land	land	NOUN
bece-91	20	20	area	area	NOUN
bece-91	20	21	is	be	AUX
bece-91	20	22	economically	economically	ADV
bece-91	20	23	behind	behind	ADP
bece-91	20	24	and	and	CCONJ
bece-91	20	25	weaker	weak	ADJ
bece-91	20	26	in	in	ADP
bece-91	20	27	basic	basic	ADJ
bece-91	20	28	education	education	NOUN
bece-91	20	29	than	than	ADP
bece-91	20	30	urban	urban	ADJ
bece-91	20	31	areas	area	NOUN
bece-91	20	32	(	(	PUNCT
bece-91	20	33	zhang	zhang	PROPN
bece-91	20	34	,	,	PUNCT
bece-91	20	35	2015	2015	NUM
bece-91	20	36	)	)	PUNCT
bece-91	20	37	.	.	PUNCT
bece-91	21	1	in	in	ADP
bece-91	21	2	recent	recent	ADJ
bece-91	21	3	years	year	NOUN
bece-91	21	4	,	,	PUNCT
bece-91	21	5	china	china	PROPN
bece-91	21	6	has	have	AUX
bece-91	21	7	implemented	implement	VERB
bece-91	21	8	education	education	NOUN
bece-91	21	9	poverty	poverty	NOUN
bece-91	21	10	alleviation	alleviation	NOUN
bece-91	21	11	policies	policy	NOUN
bece-91	21	12	and	and	CCONJ
bece-91	21	13	education	education	NOUN
bece-91	21	14	investment	investment	NOUN
bece-91	21	15	in	in	ADP
bece-91	21	16	rural	rural	ADJ
bece-91	21	17	areas	area	NOUN
bece-91	21	18	has	have	AUX
bece-91	21	19	been	be	AUX
bece-91	21	20	strengthened	strengthen	VERB
bece-91	21	21	(	(	PUNCT
bece-91	21	22	yu	yu	PROPN
bece-91	21	23	,	,	PUNCT
bece-91	21	24	2006	2006	NUM
bece-91	21	25	)	)	PUNCT
bece-91	21	26	.	.	PUNCT
bece-91	22	1	however	however	ADV
bece-91	22	2	,	,	PUNCT
bece-91	22	3	due	due	ADP
bece-91	22	4	to	to	ADP
bece-91	22	5	various	various	ADJ
bece-91	22	6	factors	factor	NOUN
bece-91	22	7	,	,	PUNCT
bece-91	22	8	such	such	ADJ
bece-91	22	9	as	as	ADP
bece-91	22	10	economics	economic	NOUN
bece-91	22	11	,	,	PUNCT
bece-91	22	12	humanities	humanity	NOUN
bece-91	22	13	,	,	PUNCT
bece-91	22	14	family	family	NOUN
bece-91	22	15	and	and	CCONJ
bece-91	22	16	geography	geography	NOUN
bece-91	22	17	,	,	PUNCT
bece-91	22	18	the	the	DET
bece-91	22	19	teaching	teaching	NOUN
bece-91	22	20	of	of	ADP
bece-91	22	21	science	science	NOUN
bece-91	22	22	courses	course	NOUN
bece-91	22	23	in	in	ADP
bece-91	22	24	rural	rural	ADJ
bece-91	22	25	elementary	elementary	ADJ
bece-91	22	26	schools	school	NOUN
bece-91	22	27	is	be	AUX
bece-91	22	28	limited	limited	ADJ
bece-91	22	29	,	,	PUNCT
bece-91	22	30	and	and	CCONJ
bece-91	22	31	improvement	improvement	NOUN
bece-91	22	32	of	of	ADP
bece-91	22	33	students	student	NOUN
bece-91	22	34	’	’	PART
bece-91	22	35	knowledge	knowledge	NOUN
bece-91	22	36	and	and	CCONJ
bece-91	22	37	ability	ability	NOUN
bece-91	22	38	in	in	ADP
bece-91	22	39	science	science	NOUN
bece-91	22	40	remains	remain	VERB
bece-91	22	41	subpar	subpar	ADJ
bece-91	22	42	.	.	PUNCT
bece-91	23	1	this	this	DET
bece-91	23	2	paper	paper	NOUN
bece-91	23	3	studies	study	VERB
bece-91	23	4	the	the	DET
bece-91	23	5	teaching	teaching	NOUN
bece-91	23	6	practice	practice	NOUN
bece-91	23	7	of	of	ADP
bece-91	23	8	stem	stem	NOUN
bece-91	23	9	in	in	ADP
bece-91	23	10	the	the	DET
bece-91	23	11	science	science	NOUN
bece-91	23	12	curriculum	curriculum	NOUN
bece-91	23	13	of	of	ADP
bece-91	23	14	rural	rural	ADJ
bece-91	23	15	elementary	elementary	PROPN
bece-91	23	16	schools	school	NOUN
bece-91	23	17	in	in	ADP
bece-91	23	18	china	china	PROPN
bece-91	23	19	to	to	PART
bece-91	23	20	address	address	VERB
bece-91	23	21	the	the	DET
bece-91	23	22	current	current	ADJ
bece-91	23	23	lack	lack	NOUN
bece-91	23	24	of	of	ADP
bece-91	23	25	research	research	NOUN
bece-91	23	26	on	on	ADP
bece-91	23	27	stem	stem	NOUN
bece-91	23	28	education	education	NOUN
bece-91	23	29	in	in	ADP
bece-91	23	30	rural	rural	ADJ
bece-91	23	31	areas	area	NOUN
bece-91	23	32	with	with	ADP
bece-91	23	33	poor	poor	ADJ
bece-91	23	34	economic	economic	ADJ
bece-91	23	35	conditions	condition	NOUN
bece-91	23	36	and	and	CCONJ
bece-91	23	37	designs	design	VERB
bece-91	23	38	a	a	DET
bece-91	23	39	reference	reference	NOUN
bece-91	23	40	stem	stem	NOUN
bece-91	23	41	curriculum	curriculum	NOUN
bece-91	23	42	for	for	ADP
bece-91	23	43	rural	rural	ADJ
bece-91	23	44	elementary	elementary	ADJ
bece-91	23	45	school	school	NOUN
bece-91	23	46	students	student	NOUN
bece-91	23	47	in	in	ADP
bece-91	23	48	china	china	PROPN
bece-91	23	49	.	.	PUNCT
bece-91	24	1	methods	method	NOUN
bece-91	24	2	practical	practical	ADJ
bece-91	24	3	exploration	exploration	NOUN
bece-91	24	4	and	and	CCONJ
bece-91	24	5	research	research	NOUN
bece-91	24	6	of	of	ADP
bece-91	24	7	stem	stem	NOUN
bece-91	24	8	courses	course	NOUN
bece-91	24	9	funding	funding	NOUN
bece-91	24	10	:	:	PUNCT
bece-91	24	11	2018	2018	NUM
bece-91	24	12	ministry	ministry	PROPN
bece-91	24	13	of	of	ADP
bece-91	24	14	education	education	PROPN
bece-91	24	15	humanities	humanity	NOUN
bece-91	24	16	and	and	CCONJ
bece-91	24	17	social	social	ADJ
bece-91	24	18	sciences	sciences	PROPN
bece-91	24	19	research	research	NOUN
bece-91	24	20	planning	planning	NOUN
bece-91	24	21	project	project	NOUN
bece-91	24	22	“	"	PUNCT
bece-91	24	23	research	research	NOUN
bece-91	24	24	on	on	ADP
bece-91	24	25	the	the	DET
bece-91	24	26	influencing	influence	VERB
bece-91	24	27	factors	factor	NOUN
bece-91	24	28	and	and	CCONJ
bece-91	24	29	effect	effect	NOUN
bece-91	24	30	mechanisms	mechanism	NOUN
bece-91	24	31	of	of	ADP
bece-91	24	32	stem	stem	NOUN
bece-91	24	33	learning	learn	VERB
bece-91	24	34	effect	effect	NOUN
bece-91	24	35	of	of	ADP
bece-91	24	36	primary	primary	ADJ
bece-91	24	37	and	and	CCONJ
bece-91	24	38	secondary	secondary	ADJ
bece-91	24	39	school	school	NOUN
bece-91	24	40	students	student	NOUN
bece-91	24	41	”	"	PUNCT
bece-91	24	42	(	(	PUNCT
bece-91	24	43	project	project	NOUN
bece-91	24	44	number	number	NOUN
bece-91	24	45	:	:	PUNCT
bece-91	24	46	18yja880108	18yja880108	NUM
bece-91	24	47	)	)	PUNCT
bece-91	24	48	.	.	PUNCT
bece-91	25	1	conflict	conflict	NOUN
bece-91	25	2	of	of	ADP
bece-91	25	3	interests	interest	NOUN
bece-91	25	4	:	:	PUNCT
bece-91	25	5	none	none	NOUN
bece-91	25	6	.	.	PUNCT
bece-91	26	1	s	s	PROPN
bece-91	26	2	qiao	qiao	PROPN
bece-91	26	3	&	&	CCONJ
bece-91	26	4	zhou	zhou	PROPN
bece-91	26	5	.	.	PUNCT
bece-91	27	1	integration	integration	NOUN
bece-91	27	2	of	of	ADP
bece-91	27	3	stem	stem	NOUN
bece-91	27	4	into	into	ADP
bece-91	27	5	rural	rural	ADJ
bece-91	27	6	elementary	elementary	ADJ
bece-91	27	7	curriculum	curriculum	NOUN
bece-91	27	8	in	in	ADP
bece-91	27	9	china	china	PROPN
bece-91	27	10	vol.5	vol.5	PROPN
bece-91	27	11	,	,	PUNCT
bece-91	27	12	no	no	INTJ
bece-91	27	13	.	.	NOUN
bece-91	27	14	1	1	NUM
bece-91	27	15	,	,	PUNCT
bece-91	27	16	2020	2020	NUM
bece-91	27	17	583	583	NUM
bece-91	27	18	jiujiang	jiujiang	PROPN
bece-91	27	19	elementary	elementary	PROPN
bece-91	27	20	school	school	PROPN
bece-91	27	21	in	in	ADP
bece-91	27	22	shuangliu	shuangliu	ADJ
bece-91	27	23	district	district	NOUN
bece-91	27	24	,	,	PUNCT
bece-91	27	25	chengdu	chengdu	PROPN
bece-91	27	26	is	be	AUX
bece-91	27	27	a	a	DET
bece-91	27	28	typical	typical	ADJ
bece-91	27	29	chinese	chinese	ADJ
bece-91	27	30	rural	rural	ADJ
bece-91	27	31	elementary	elementary	PROPN
bece-91	27	32	school	school	NOUN
bece-91	27	33	.	.	PUNCT
bece-91	28	1	in	in	ADP
bece-91	28	2	recent	recent	ADJ
bece-91	28	3	years	year	NOUN
bece-91	28	4	,	,	PUNCT
bece-91	28	5	with	with	ADP
bece-91	28	6	the	the	DET
bece-91	28	7	continued	continue	VERB
bece-91	28	8	advancement	advancement	NOUN
bece-91	28	9	of	of	ADP
bece-91	28	10	balanced	balanced	ADJ
bece-91	28	11	development	development	NOUN
bece-91	28	12	in	in	ADP
bece-91	28	13	education	education	NOUN
bece-91	28	14	,	,	PUNCT
bece-91	28	15	the	the	DET
bece-91	28	16	educational	educational	ADJ
bece-91	28	17	ecology	ecology	NOUN
bece-91	28	18	of	of	ADP
bece-91	28	19	this	this	DET
bece-91	28	20	school	school	NOUN
bece-91	28	21	has	have	AUX
bece-91	28	22	greatly	greatly	ADV
bece-91	28	23	improved	improve	VERB
bece-91	28	24	.	.	PUNCT
bece-91	29	1	however	however	ADV
bece-91	29	2	,	,	PUNCT
bece-91	29	3	a	a	DET
bece-91	29	4	questionnaire	questionnaire	NOUN
bece-91	29	5	combined	combine	VERB
bece-91	29	6	with	with	ADP
bece-91	29	7	interviews	interview	NOUN
bece-91	29	8	and	and	CCONJ
bece-91	29	9	observations	observation	NOUN
bece-91	29	10	investigating	investigate	VERB
bece-91	29	11	the	the	DET
bece-91	29	12	current	current	ADJ
bece-91	29	13	status	status	NOUN
bece-91	29	14	of	of	ADP
bece-91	29	15	the	the	DET
bece-91	29	16	school	school	NOUN
bece-91	29	17	’s	’s	PART
bece-91	29	18	science	science	NOUN
bece-91	29	19	curriculum	curriculum	NOUN
bece-91	29	20	revealed	reveal	VERB
bece-91	29	21	the	the	DET
bece-91	29	22	following	following	NOUN
bece-91	29	23	.	.	PUNCT
bece-91	30	1	(	(	PUNCT
bece-91	30	2	i	i	NOUN
bece-91	30	3	)	)	PUNCT
bece-91	30	4	due	due	ADP
bece-91	30	5	to	to	ADP
bece-91	30	6	excessively	excessively	ADV
bece-91	30	7	traditional	traditional	ADJ
bece-91	30	8	teaching	teaching	NOUN
bece-91	30	9	methods	method	NOUN
bece-91	30	10	,	,	PUNCT
bece-91	30	11	students	student	NOUN
bece-91	30	12	’	'	PUNCT
bece-91	30	13	learning	learn	VERB
bece-91	30	14	initiative	initiative	NOUN
bece-91	30	15	and	and	CCONJ
bece-91	30	16	creativity	creativity	NOUN
bece-91	30	17	are	be	AUX
bece-91	30	18	low	low	ADJ
bece-91	30	19	.	.	PUNCT
bece-91	31	1	(	(	PUNCT
bece-91	31	2	ii	ii	NOUN
bece-91	31	3	)	)	PUNCT
bece-91	31	4	students	student	NOUN
bece-91	31	5	’	'	PUNCT
bece-91	31	6	knowledge	knowledge	NOUN
bece-91	31	7	is	be	AUX
bece-91	31	8	narrow	narrow	ADJ
bece-91	31	9	,	,	PUNCT
bece-91	31	10	and	and	CCONJ
bece-91	31	11	their	their	PRON
bece-91	31	12	hands	hand	NOUN
bece-91	31	13	-	-	PUNCT
bece-91	31	14	on	on	ADP
bece-91	31	15	ability	ability	NOUN
bece-91	31	16	is	be	AUX
bece-91	31	17	weak	weak	ADJ
bece-91	31	18	.	.	PUNCT
bece-91	32	1	(	(	PUNCT
bece-91	32	2	iii	iii	X
bece-91	32	3	)	)	PUNCT
bece-91	32	4	due	due	ADP
bece-91	32	5	to	to	ADP
bece-91	32	6	inadequate	inadequate	ADJ
bece-91	32	7	family	family	NOUN
bece-91	32	8	instruction	instruction	NOUN
bece-91	32	9	about	about	ADP
bece-91	32	10	the	the	DET
bece-91	32	11	concepts	concept	NOUN
bece-91	32	12	of	of	ADP
bece-91	32	13	natural	natural	ADJ
bece-91	32	14	phenomenon	phenomenon	NOUN
bece-91	32	15	,	,	PUNCT
bece-91	32	16	students	student	NOUN
bece-91	32	17	are	be	AUX
bece-91	32	18	easily	easily	ADV
bece-91	32	19	affected	affect	VERB
bece-91	32	20	and	and	CCONJ
bece-91	32	21	confused	confuse	VERB
bece-91	32	22	to	to	ADP
bece-91	32	23	them	they	PRON
bece-91	32	24	.	.	PUNCT
bece-91	33	1	(	(	PUNCT
bece-91	33	2	iv	iv	X
bece-91	33	3	)	)	PUNCT
bece-91	33	4	although	although	SCONJ
bece-91	33	5	students	student	NOUN
bece-91	33	6	have	have	VERB
bece-91	33	7	a	a	DET
bece-91	33	8	strong	strong	ADJ
bece-91	33	9	interest	interest	NOUN
bece-91	33	10	in	in	ADP
bece-91	33	11	science	science	NOUN
bece-91	33	12	classes	class	NOUN
bece-91	33	13	,	,	PUNCT
bece-91	33	14	their	their	PRON
bece-91	33	15	scientific	scientific	ADJ
bece-91	33	16	literacy	literacy	NOUN
bece-91	33	17	is	be	AUX
bece-91	33	18	low	low	ADJ
bece-91	33	19	.	.	PUNCT
bece-91	34	1	here	here	ADV
bece-91	34	2	,	,	PUNCT
bece-91	34	3	we	we	PRON
bece-91	34	4	focus	focus	VERB
bece-91	34	5	on	on	ADP
bece-91	34	6	the	the	DET
bece-91	34	7	characteristics	characteristic	NOUN
bece-91	34	8	of	of	ADP
bece-91	34	9	elementary	elementary	ADJ
bece-91	34	10	school	school	NOUN
bece-91	34	11	students	student	NOUN
bece-91	34	12	in	in	ADP
bece-91	34	13	rural	rural	ADJ
bece-91	34	14	china	china	PROPN
bece-91	34	15	,	,	PUNCT
bece-91	34	16	and	and	CCONJ
bece-91	34	17	explore	explore	VERB
bece-91	34	18	whether	whether	SCONJ
bece-91	34	19	,	,	PUNCT
bece-91	34	20	in	in	ADP
bece-91	34	21	the	the	DET
bece-91	34	22	science	science	NOUN
bece-91	34	23	curriculum	curriculum	NOUN
bece-91	34	24	,	,	PUNCT
bece-91	34	25	stem	stem	NOUN
bece-91	34	26	teaching	teaching	NOUN
bece-91	34	27	has	have	VERB
bece-91	34	28	more	more	ADJ
bece-91	34	29	advantages	advantage	NOUN
bece-91	34	30	in	in	ADP
bece-91	34	31	training	training	NOUN
bece-91	34	32	students	student	NOUN
bece-91	34	33	’	’	PART
bece-91	34	34	knowledge	knowledge	NOUN
bece-91	34	35	and	and	CCONJ
bece-91	34	36	ability	ability	NOUN
bece-91	34	37	than	than	ADP
bece-91	34	38	traditional	traditional	ADJ
bece-91	34	39	teaching	teaching	NOUN
bece-91	34	40	.	.	PUNCT
bece-91	35	1	this	this	DET
bece-91	35	2	experimental	experimental	ADJ
bece-91	35	3	study	study	NOUN
bece-91	35	4	addresses	address	VERB
bece-91	35	5	the	the	DET
bece-91	35	6	following	follow	VERB
bece-91	35	7	two	two	NUM
bece-91	35	8	questions	question	NOUN
bece-91	35	9	regarding	regard	VERB
bece-91	35	10	the	the	DET
bece-91	35	11	integration	integration	NOUN
bece-91	35	12	of	of	ADP
bece-91	35	13	stem	stem	NOUN
bece-91	35	14	education	education	NOUN
bece-91	35	15	into	into	ADP
bece-91	35	16	the	the	DET
bece-91	35	17	elementary	elementary	ADJ
bece-91	35	18	science	science	NOUN
bece-91	35	19	curriculum	curriculum	PROPN
bece-91	35	20	:	:	PUNCT
bece-91	35	21	(	(	PUNCT
bece-91	35	22	i	i	NOUN
bece-91	35	23	)	)	PUNCT
bece-91	35	24	are	be	AUX
bece-91	35	25	stem	stem	NOUN
bece-91	35	26	courses	course	NOUN
bece-91	35	27	effective	effective	ADJ
bece-91	35	28	in	in	ADP
bece-91	35	29	improving	improve	VERB
bece-91	35	30	students	student	NOUN
bece-91	35	31	’	’	PART
bece-91	35	32	knowledge	knowledge	NOUN
bece-91	35	33	and	and	CCONJ
bece-91	35	34	ability	ability	NOUN
bece-91	35	35	?	?	PUNCT
bece-91	36	1	(	(	PUNCT
bece-91	36	2	ii	ii	NOUN
bece-91	36	3	)	)	PUNCT
bece-91	36	4	are	be	AUX
bece-91	36	5	stem	stem	NOUN
bece-91	36	6	courses	course	NOUN
bece-91	36	7	better	well	ADJ
bece-91	36	8	than	than	ADP
bece-91	36	9	traditional	traditional	ADJ
bece-91	36	10	class	class	NOUN
bece-91	36	11	teaching	teaching	NOUN
bece-91	36	12	at	at	ADP
bece-91	36	13	improving	improve	VERB
bece-91	36	14	students	student	NOUN
bece-91	36	15	’	’	PART
bece-91	36	16	knowledge	knowledge	NOUN
bece-91	36	17	and	and	CCONJ
bece-91	36	18	ability	ability	NOUN
bece-91	36	19	?	?	PUNCT
bece-91	37	1	experimental	experimental	ADJ
bece-91	37	2	design	design	NOUN
bece-91	37	3	the	the	DET
bece-91	37	4	research	research	NOUN
bece-91	37	5	involved	involve	VERB
bece-91	37	6	five	five	NUM
bece-91	37	7	steps	step	NOUN
bece-91	37	8	,	,	PUNCT
bece-91	37	9	as	as	SCONJ
bece-91	37	10	outlined	outline	VERB
bece-91	37	11	below	below	ADV
bece-91	37	12	.	.	PUNCT
bece-91	38	1	(	(	PUNCT
bece-91	38	2	i	i	NOUN
bece-91	38	3	)	)	PUNCT
bece-91	38	4	from	from	ADP
bece-91	38	5	fifth	fifth	ADJ
bece-91	38	6	grade	grade	NOUN
bece-91	38	7	students	student	NOUN
bece-91	38	8	of	of	ADP
bece-91	38	9	jiujiang	jiujiang	PROPN
bece-91	38	10	elementary	elementary	PROPN
bece-91	38	11	school	school	PROPN
bece-91	38	12	in	in	ADP
bece-91	38	13	shuangliu	shuangliu	ADJ
bece-91	38	14	district	district	NOUN
bece-91	38	15	,	,	PUNCT
bece-91	38	16	200	200	NUM
bece-91	38	17	students	student	NOUN
bece-91	38	18	of	of	ADP
bece-91	38	19	comparable	comparable	ADJ
bece-91	38	20	learning	learning	NOUN
bece-91	38	21	level	level	NOUN
bece-91	38	22	were	be	AUX
bece-91	38	23	divided	divide	VERB
bece-91	38	24	into	into	ADP
bece-91	38	25	a	a	DET
bece-91	38	26	control	control	NOUN
bece-91	38	27	and	and	CCONJ
bece-91	38	28	experimental	experimental	ADJ
bece-91	38	29	groups	group	NOUN
bece-91	38	30	of	of	ADP
bece-91	38	31	100	100	NUM
bece-91	38	32	each	each	PRON
bece-91	38	33	.	.	PUNCT
bece-91	39	1	(	(	PUNCT
bece-91	39	2	ii	ii	NOUN
bece-91	39	3	)	)	PUNCT
bece-91	39	4	teaching	teaching	NOUN
bece-91	39	5	on	on	ADP
bece-91	39	6	“	"	PUNCT
bece-91	39	7	buoyant	buoyant	ADJ
bece-91	39	8	force	force	NOUN
bece-91	39	9	”	"	PUNCT
bece-91	39	10	for	for	ADP
bece-91	39	11	eight	eight	NUM
bece-91	39	12	class	class	NOUN
bece-91	39	13	hours	hour	NOUN
bece-91	39	14	was	be	AUX
bece-91	39	15	designed	design	VERB
bece-91	39	16	for	for	ADP
bece-91	39	17	both	both	CCONJ
bece-91	39	18	traditional	traditional	ADJ
bece-91	39	19	and	and	CCONJ
bece-91	39	20	stem	stem	NOUN
bece-91	39	21	courses	course	NOUN
bece-91	39	22	.	.	PUNCT
bece-91	40	1	(	(	PUNCT
bece-91	40	2	iii	iii	X
bece-91	40	3	)	)	PUNCT
bece-91	40	4	students	student	NOUN
bece-91	40	5	in	in	ADP
bece-91	40	6	the	the	DET
bece-91	40	7	control	control	NOUN
bece-91	40	8	group	group	NOUN
bece-91	40	9	experienced	experience	VERB
bece-91	40	10	the	the	DET
bece-91	40	11	traditional	traditional	ADJ
bece-91	40	12	science	science	NOUN
bece-91	40	13	teaching	teaching	NOUN
bece-91	40	14	method	method	NOUN
bece-91	40	15	,	,	PUNCT
bece-91	40	16	while	while	SCONJ
bece-91	40	17	students	student	NOUN
bece-91	40	18	in	in	ADP
bece-91	40	19	the	the	DET
bece-91	40	20	experimental	experimental	ADJ
bece-91	40	21	group	group	NOUN
bece-91	40	22	experienced	experience	VERB
bece-91	40	23	the	the	DET
bece-91	40	24	stem	stem	NOUN
bece-91	40	25	teaching	teaching	NOUN
bece-91	40	26	method	method	NOUN
bece-91	40	27	.	.	PUNCT
bece-91	41	1	(	(	PUNCT
bece-91	41	2	iv	iv	X
bece-91	41	3	)	)	PUNCT
bece-91	41	4	questionnaire	questionnaire	NOUN
bece-91	41	5	surveys	survey	NOUN
bece-91	41	6	were	be	AUX
bece-91	41	7	given	give	VERB
bece-91	41	8	to	to	ADP
bece-91	41	9	all	all	DET
bece-91	41	10	students	student	NOUN
bece-91	41	11	before	before	ADP
bece-91	41	12	and	and	CCONJ
bece-91	41	13	after	after	ADP
bece-91	41	14	the	the	DET
bece-91	41	15	course	course	NOUN
bece-91	41	16	study	study	NOUN
bece-91	41	17	.	.	PUNCT
bece-91	42	1	these	these	PRON
bece-91	42	2	tested	test	VERB
bece-91	42	3	the	the	DET
bece-91	42	4	students	student	NOUN
bece-91	42	5	’	’	PART
bece-91	42	6	knowledge	knowledge	NOUN
bece-91	42	7	and	and	CCONJ
bece-91	42	8	ability	ability	NOUN
bece-91	42	9	.	.	PUNCT
bece-91	43	1	statistics	statistic	NOUN
bece-91	43	2	and	and	CCONJ
bece-91	43	3	analysis	analysis	NOUN
bece-91	43	4	on	on	ADP
bece-91	43	5	survey	survey	NOUN
bece-91	43	6	responses	response	NOUN
bece-91	43	7	were	be	AUX
bece-91	43	8	done	do	VERB
bece-91	43	9	and	and	CCONJ
bece-91	43	10	conclusions	conclusion	NOUN
bece-91	43	11	drawn	draw	VERB
bece-91	43	12	.	.	PUNCT
bece-91	44	1	(	(	PUNCT
bece-91	44	2	v	v	NOUN
bece-91	44	3	)	)	PUNCT
bece-91	44	4	through	through	ADP
bece-91	44	5	discussion	discussion	NOUN
bece-91	44	6	and	and	CCONJ
bece-91	44	7	analysis	analysis	NOUN
bece-91	44	8	of	of	ADP
bece-91	44	9	survey	survey	NOUN
bece-91	44	10	responses	response	NOUN
bece-91	44	11	,	,	PUNCT
bece-91	44	12	the	the	DET
bece-91	44	13	content	content	NOUN
bece-91	44	14	of	of	ADP
bece-91	44	15	the	the	DET
bece-91	44	16	courses	course	NOUN
bece-91	44	17	was	be	AUX
bece-91	44	18	modified	modify	VERB
bece-91	44	19	to	to	PART
bece-91	44	20	improve	improve	VERB
bece-91	44	21	the	the	DET
bece-91	44	22	teaching	teaching	NOUN
bece-91	44	23	design	design	NOUN
bece-91	44	24	based	base	VERB
bece-91	44	25	on	on	ADP
bece-91	44	26	the	the	DET
bece-91	44	27	trial	trial	NOUN
bece-91	44	28	teaching	teaching	NOUN
bece-91	44	29	,	,	PUNCT
bece-91	44	30	and	and	CCONJ
bece-91	44	31	the	the	DET
bece-91	44	32	final	final	ADJ
bece-91	44	33	teaching	teaching	NOUN
bece-91	44	34	courses	course	NOUN
bece-91	44	35	formed	form	VERB
bece-91	44	36	.	.	PUNCT
bece-91	45	1	teaching	teach	VERB
bece-91	45	2	design	design	NOUN
bece-91	45	3	of	of	ADP
bece-91	45	4	stem	stem	NOUN
bece-91	45	5	unit	unit	NOUN
bece-91	45	6	courses	course	NOUN
bece-91	45	7	on	on	ADP
bece-91	45	8	“	"	PUNCT
bece-91	45	9	buoyant	buoyant	ADJ
bece-91	45	10	force	force	NOUN
bece-91	45	11	”	"	PUNCT
bece-91	45	12	in	in	ADP
bece-91	45	13	this	this	DET
bece-91	45	14	study	study	NOUN
bece-91	45	15	,	,	PUNCT
bece-91	45	16	the	the	DET
bece-91	45	17	“	"	PUNCT
bece-91	45	18	buoyant	buoyant	ADJ
bece-91	45	19	force	force	NOUN
bece-91	45	20	”	"	PUNCT
bece-91	45	21	unit	unit	NOUN
bece-91	45	22	in	in	ADP
bece-91	45	23	the	the	DET
bece-91	45	24	fifth	fifth	ADJ
bece-91	45	25	-	-	PUNCT
bece-91	45	26	grade	grade	NOUN
bece-91	45	27	science	science	NOUN
bece-91	45	28	class	class	NOUN
bece-91	45	29	was	be	AUX
bece-91	45	30	selected	select	VERB
bece-91	45	31	as	as	ADP
bece-91	45	32	the	the	DET
bece-91	45	33	theme	theme	NOUN
bece-91	45	34	for	for	ADP
bece-91	45	35	stem	stem	NOUN
bece-91	45	36	curriculum	curriculum	NOUN
bece-91	45	37	design	design	NOUN
bece-91	45	38	.	.	PUNCT
bece-91	46	1	this	this	DET
bece-91	46	2	course	course	NOUN
bece-91	46	3	has	have	VERB
bece-91	46	4	a	a	DET
bece-91	46	5	total	total	NOUN
bece-91	46	6	of	of	ADP
bece-91	46	7	8	8	NUM
bece-91	46	8	class	class	NOUN
bece-91	46	9	hours	hour	NOUN
bece-91	46	10	(	(	PUNCT
bece-91	46	11	table	table	NOUN
bece-91	46	12	1	1	NUM
bece-91	46	13	)	)	PUNCT
bece-91	46	14	.	.	PUNCT
bece-91	47	1	compilation	compilation	NOUN
bece-91	47	2	of	of	ADP
bece-91	47	3	questionnaire	questionnaire	NOUN
bece-91	47	4	qiao	qiao	PROPN
bece-91	47	5	&	&	CCONJ
bece-91	47	6	zhou	zhou	PROPN
bece-91	47	7	.	.	PUNCT
bece-91	48	1	integration	integration	NOUN
bece-91	48	2	of	of	ADP
bece-91	48	3	stem	stem	NOUN
bece-91	48	4	into	into	ADP
bece-91	48	5	rural	rural	ADJ
bece-91	48	6	elementary	elementary	ADJ
bece-91	48	7	curriculum	curriculum	NOUN
bece-91	48	8	in	in	ADP
bece-91	48	9	china	china	PROPN
bece-91	48	10	vol.5	vol.5	PROPN
bece-91	48	11	,	,	PUNCT
bece-91	48	12	no	no	INTJ
bece-91	48	13	.	.	NOUN
bece-91	48	14	1	1	NUM
bece-91	48	15	,	,	PUNCT
bece-91	48	16	2020	2020	NUM
bece-91	48	17	584	584	NUM
bece-91	48	18	table	table	NOUN
bece-91	48	19	1	1	NUM
bece-91	48	20	.	.	PUNCT
bece-91	49	1	stem	stem	NOUN
bece-91	49	2	course	course	NOUN
bece-91	49	3	content	content	NOUN
bece-91	49	4	.	.	PUNCT
bece-91	50	1	ch	ch	NOUN
bece-91	50	2	theme	theme	NOUN
bece-91	50	3	content	content	NOUN
bece-91	50	4	&	&	CCONJ
bece-91	50	5	process	process	PROPN
bece-91	50	6	sci	sci	PROPN
bece-91	50	7	.	.	PUNCT
bece-91	50	8	tech	tech	PROPN
bece-91	50	9	.	.	PUNCT
bece-91	51	1	engi	engi	PROPN
bece-91	51	2	.	.	PUNCT
bece-91	52	1	math	math	NOUN
bece-91	52	2	.	.	PUNCT
bece-91	53	1	1st	1st	ADJ
bece-91	53	2	preliminary	preliminary	ADJ
bece-91	53	3	understanding	understanding	NOUN
bece-91	53	4	of	of	ADP
bece-91	53	5	buoyancy	buoyancy	NOUN
bece-91	53	6	1	1	NUM
bece-91	53	7	.	.	PUNCT
bece-91	54	1	teamwork	teamwork	NOUN
bece-91	54	2	:	:	PUNCT
bece-91	54	3	put	put	VERB
bece-91	54	4	the	the	DET
bece-91	54	5	foam	foam	NOUN
bece-91	54	6	block	block	NOUN
bece-91	54	7	in	in	ADP
bece-91	54	8	the	the	DET
bece-91	54	9	water	water	NOUN
bece-91	54	10	,	,	PUNCT
bece-91	54	11	discuss	discuss	VERB
bece-91	54	12	why	why	SCONJ
bece-91	54	13	the	the	DET
bece-91	54	14	foam	foam	NOUN
bece-91	54	15	will	will	AUX
bece-91	54	16	float	float	VERB
bece-91	54	17	on	on	ADP
bece-91	54	18	the	the	DET
bece-91	54	19	water	water	NOUN
bece-91	54	20	,	,	PUNCT
bece-91	54	21	and	and	CCONJ
bece-91	54	22	complete	complete	VERB
bece-91	54	23	the	the	DET
bece-91	54	24	guided	guide	VERB
bece-91	54	25	learning	learning	NOUN
bece-91	54	26	sheet	sheet	NOUN
bece-91	54	27	;	;	PUNCT
bece-91	54	28	2	2	X
bece-91	54	29	.	.	X
bece-91	54	30	introduce	introduce	VERB
bece-91	54	31	buoyancy	buoyancy	NOUN
bece-91	54	32	and	and	CCONJ
bece-91	54	33	visually	visually	ADV
bece-91	54	34	understand	understand	VERB
bece-91	54	35	the	the	DET
bece-91	54	36	concept	concept	NOUN
bece-91	54	37	of	of	ADP
bece-91	54	38	buoyancy	buoyancy	NOUN
bece-91	54	39	through	through	ADP
bece-91	54	40	video	video	NOUN
bece-91	54	41	;	;	PUNCT
bece-91	54	42	3	3	X
bece-91	54	43	.	.	X
bece-91	54	44	student	student	NOUN
bece-91	54	45	cooperation	cooperation	NOUN
bece-91	54	46	:	:	PUNCT
bece-91	54	47	divide	divide	VERB
bece-91	54	48	the	the	DET
bece-91	54	49	foam	foam	NOUN
bece-91	54	50	block	block	NOUN
bece-91	54	51	to	to	PART
bece-91	54	52	guide	guide	VERB
bece-91	54	53	students	student	NOUN
bece-91	54	54	to	to	PART
bece-91	54	55	explore	explore	VERB
bece-91	54	56	the	the	DET
bece-91	54	57	influence	influence	NOUN
bece-91	54	58	of	of	ADP
bece-91	54	59	the	the	DET
bece-91	54	60	same	same	ADJ
bece-91	54	61	object	object	NOUN
bece-91	54	62	on	on	ADP
bece-91	54	63	the	the	DET
bece-91	54	64	heave	heave	NOUN
bece-91	54	65	and	and	CCONJ
bece-91	54	66	weight	weight	NOUN
bece-91	54	67	(	(	PUNCT
bece-91	54	68	and	and	CCONJ
bece-91	54	69	complete	complete	VERB
bece-91	54	70	the	the	DET
bece-91	54	71	record	record	NOUN
bece-91	54	72	form	form	NOUN
bece-91	54	73	)	)	PUNCT
bece-91	54	74	;	;	PUNCT
bece-91	55	1	4	4	X
bece-91	55	2	.	.	X
bece-91	55	3	the	the	DET
bece-91	55	4	group	group	NOUN
bece-91	55	5	conducts	conduct	VERB
bece-91	55	6	communication	communication	NOUN
bece-91	55	7	summary	summary	NOUN
bece-91	55	8	and	and	CCONJ
bece-91	55	9	report	report	NOUN
bece-91	55	10	(	(	PUNCT
bece-91	55	11	the	the	DET
bece-91	55	12	impact	impact	NOUN
bece-91	55	13	of	of	ADP
bece-91	55	14	object	object	NOUN
bece-91	55	15	volume	volume	NOUN
bece-91	55	16	,	,	PUNCT
bece-91	55	17	etc	etc	X
bece-91	55	18	.	.	X
bece-91	55	19	on	on	ADP
bece-91	55	20	sinking	sink	VERB
bece-91	55	21	and	and	CCONJ
bece-91	55	22	floating	float	VERB
bece-91	55	23	)	)	PUNCT
bece-91	55	24	.	.	PUNCT
bece-91	56	1	the	the	DET
bece-91	56	2	floating	float	VERB
bece-91	56	3	objects	object	NOUN
bece-91	56	4	made	make	VERB
bece-91	56	5	of	of	ADP
bece-91	56	6	the	the	DET
bece-91	56	7	same	same	ADJ
bece-91	56	8	material	material	NOUN
bece-91	56	9	in	in	ADP
bece-91	56	10	the	the	DET
bece-91	56	11	water	water	NOUN
bece-91	56	12	are	be	AUX
bece-91	56	13	independent	independent	ADJ
bece-91	56	14	of	of	ADP
bece-91	56	15	their	their	PRON
bece-91	56	16	weight	weight	NOUN
bece-91	56	17	and	and	CCONJ
bece-91	56	18	volume	volume	NOUN
bece-91	56	19	.	.	PUNCT
bece-91	57	1	cut	cut	VERB
bece-91	57	2	objects	object	NOUN
bece-91	57	3	as	as	ADP
bece-91	57	4	required	require	VERB
bece-91	57	5	use	use	NOUN
bece-91	57	6	the	the	DET
bece-91	57	7	concept	concept	NOUN
bece-91	57	8	of	of	ADP
bece-91	57	9	fractions	fraction	NOUN
bece-91	57	10	when	when	SCONJ
bece-91	57	11	cutting	cut	VERB
bece-91	57	12	2nd	2nd	NOUN
bece-91	57	13	what	what	DET
bece-91	57	14	factors	factor	NOUN
bece-91	57	15	are	be	AUX
bece-91	57	16	involved	involve	VERB
bece-91	57	17	in	in	ADP
bece-91	57	18	floating	float	VERB
bece-91	57	19	?	?	PUNCT
bece-91	58	1	1	1	X
bece-91	58	2	.	.	PUNCT
bece-91	58	3	teachers	teacher	NOUN
bece-91	58	4	lead	lead	VERB
bece-91	58	5	students	student	NOUN
bece-91	58	6	to	to	PART
bece-91	58	7	think	think	VERB
bece-91	58	8	by	by	ADP
bece-91	58	9	guiding	guide	VERB
bece-91	58	10	students	student	NOUN
bece-91	58	11	to	to	PART
bece-91	58	12	observe	observe	VERB
bece-91	58	13	the	the	DET
bece-91	58	14	floating	float	VERB
bece-91	58	15	experiment	experiment	NOUN
bece-91	58	16	of	of	ADP
bece-91	58	17	putting	put	VERB
bece-91	58	18	different	different	ADJ
bece-91	58	19	shapes	shape	NOUN
bece-91	58	20	of	of	ADP
bece-91	58	21	play	play	NOUN
bece-91	58	22	dough	dough	NOUN
bece-91	58	23	into	into	ADP
bece-91	58	24	the	the	DET
bece-91	58	25	water	water	NOUN
bece-91	58	26	;	;	PUNCT
bece-91	58	27	2	2	X
bece-91	58	28	.	.	X
bece-91	58	29	brainstorming	brainstorming	NOUN
bece-91	58	30	:	:	PUNCT
bece-91	58	31	the	the	DET
bece-91	58	32	teacher	teacher	NOUN
bece-91	58	33	allows	allow	VERB
bece-91	58	34	students	student	NOUN
bece-91	58	35	to	to	PART
bece-91	58	36	boldly	boldly	ADV
bece-91	58	37	guess	guess	VERB
bece-91	58	38	the	the	DET
bece-91	58	39	factors	factor	NOUN
bece-91	58	40	affecting	affect	VERB
bece-91	58	41	the	the	DET
bece-91	58	42	floating	float	VERB
bece-91	58	43	,	,	PUNCT
bece-91	58	44	and	and	CCONJ
bece-91	58	45	sort	sort	VERB
bece-91	58	46	the	the	DET
bece-91	58	47	object	object	NOUN
bece-91	58	48	’s	’	VERB
bece-91	58	49	according	accord	VERB
bece-91	58	50	to	to	ADP
bece-91	58	51	their	their	PRON
bece-91	58	52	own	own	ADJ
bece-91	58	53	guesses	guess	NOUN
bece-91	58	54	;	;	PUNCT
bece-91	58	55	3	3	X
bece-91	58	56	.	.	X
bece-91	58	57	in	in	ADP
bece-91	58	58	-	-	PUNCT
bece-91	58	59	depth	depth	NOUN
bece-91	58	60	exploration	exploration	NOUN
bece-91	58	61	:	:	PUNCT
bece-91	58	62	predict	predict	VERB
bece-91	58	63	the	the	DET
bece-91	58	64	floating	floating	NOUN
bece-91	58	65	of	of	ADP
bece-91	58	66	different	different	ADJ
bece-91	58	67	materials	material	NOUN
bece-91	58	68	in	in	ADP
bece-91	58	69	the	the	DET
bece-91	58	70	water	water	NOUN
bece-91	58	71	and	and	CCONJ
bece-91	58	72	conduct	conduct	VERB
bece-91	58	73	experimental	experimental	ADJ
bece-91	58	74	verification	verification	NOUN
bece-91	58	75	in	in	ADP
bece-91	58	76	groups	group	NOUN
bece-91	58	77	to	to	PART
bece-91	58	78	complete	complete	VERB
bece-91	58	79	the	the	DET
bece-91	58	80	guided	guide	VERB
bece-91	58	81	learning	learning	NOUN
bece-91	58	82	sheet	sheet	NOUN
bece-91	58	83	;	;	PUNCT
bece-91	58	84	4	4	X
bece-91	58	85	.	.	X
bece-91	59	1	the	the	DET
bece-91	59	2	group	group	NOUN
bece-91	59	3	conducts	conduct	VERB
bece-91	59	4	exchanges	exchange	NOUN
bece-91	59	5	and	and	CCONJ
bece-91	59	6	summarizes	summarize	NOUN
bece-91	59	7	and	and	CCONJ
bece-91	59	8	reports	report	NOUN
bece-91	59	9	(	(	PUNCT
bece-91	59	10	factors	factor	NOUN
bece-91	59	11	affecting	affect	VERB
bece-91	59	12	floating	float	VERB
bece-91	59	13	)	)	PUNCT
bece-91	59	14	.	.	PUNCT
bece-91	60	1	explore	explore	VERB
bece-91	60	2	the	the	DET
bece-91	60	3	factors	factor	NOUN
bece-91	60	4	that	that	PRON
bece-91	60	5	affect	affect	VERB
bece-91	60	6	floating	float	VERB
bece-91	60	7	number	number	NOUN
bece-91	60	8	and	and	CCONJ
bece-91	60	9	sort	sort	NOUN
bece-91	60	10	as	as	ADV
bece-91	60	11	required	require	VERB
bece-91	60	12	3rd	3rd	ADJ
bece-91	60	13	the	the	DET
bece-91	60	14	floating	floating	NOUN
bece-91	60	15	of	of	ADP
bece-91	60	16	play	play	NOUN
bece-91	60	17	dough	dough	NOUN
bece-91	60	18	in	in	ADP
bece-91	60	19	the	the	DET
bece-91	60	20	water	water	NOUN
bece-91	60	21	1	1	NUM
bece-91	60	22	.	.	PUNCT
bece-91	61	1	teachers	teacher	NOUN
bece-91	61	2	guide	guide	VERB
bece-91	61	3	students	student	NOUN
bece-91	61	4	to	to	PART
bece-91	61	5	observe	observe	VERB
bece-91	61	6	and	and	CCONJ
bece-91	61	7	think	think	VERB
bece-91	61	8	by	by	ADP
bece-91	61	9	demonstrating	demonstrate	VERB
bece-91	61	10	the	the	DET
bece-91	61	11	floating	floating	NOUN
bece-91	61	12	of	of	ADP
bece-91	61	13	a	a	DET
bece-91	61	14	piece	piece	NOUN
bece-91	61	15	of	of	ADP
bece-91	61	16	play	play	NOUN
bece-91	61	17	dough	dough	NOUN
bece-91	61	18	in	in	ADP
bece-91	61	19	water	water	NOUN
bece-91	61	20	;	;	PUNCT
bece-91	61	21	2	2	X
bece-91	61	22	.	.	X
bece-91	61	23	student	student	NOUN
bece-91	61	24	's	's	PART
bece-91	61	25	operation	operation	NOUN
bece-91	61	26	:	:	PUNCT
bece-91	61	27	shape	shape	VERB
bece-91	61	28	the	the	DET
bece-91	61	29	play	play	NOUN
bece-91	61	30	dough	dough	NOUN
bece-91	61	31	freely	freely	ADV
bece-91	61	32	,	,	PUNCT
bece-91	61	33	predict	predict	VERB
bece-91	61	34	and	and	CCONJ
bece-91	61	35	verify	verify	VERB
bece-91	61	36	the	the	DET
bece-91	61	37	their	their	PRON
bece-91	61	38	floating	float	VERB
bece-91	61	39	;	;	PUNCT
bece-91	61	40	3	3	X
bece-91	61	41	.	.	X
bece-91	61	42	brainstorming	brainstorming	NOUN
bece-91	61	43	:	:	PUNCT
bece-91	61	44	based	base	VERB
bece-91	61	45	on	on	ADP
bece-91	61	46	the	the	DET
bece-91	61	47	results	result	NOUN
bece-91	61	48	of	of	ADP
bece-91	61	49	the	the	DET
bece-91	61	50	experiment	experiment	NOUN
bece-91	61	51	,	,	PUNCT
bece-91	61	52	students	student	NOUN
bece-91	61	53	guess	guess	VERB
bece-91	61	54	the	the	DET
bece-91	61	55	reasons	reason	NOUN
bece-91	61	56	that	that	PRON
bece-91	61	57	affect	affect	VERB
bece-91	61	58	floating	float	VERB
bece-91	61	59	;	;	PUNCT
bece-91	62	1	4	4	X
bece-91	62	2	.	.	X
bece-91	62	3	the	the	DET
bece-91	62	4	teacher	teacher	NOUN
bece-91	62	5	introduces	introduce	VERB
bece-91	62	6	the	the	DET
bece-91	62	7	concept	concept	NOUN
bece-91	62	8	of	of	ADP
bece-91	62	9	"	"	PUNCT
bece-91	62	10	drained	drained	ADJ
bece-91	62	11	water	water	NOUN
bece-91	62	12	"	"	PUNCT
bece-91	62	13	,	,	PUNCT
bece-91	62	14	through	through	ADP
bece-91	62	15	experiments	experiment	NOUN
bece-91	62	16	to	to	PART
bece-91	62	17	verify	verify	VERB
bece-91	62	18	the	the	DET
bece-91	62	19	hypothesis	hypothesis	NOUN
bece-91	62	20	and	and	CCONJ
bece-91	62	21	complete	complete	VERB
bece-91	62	22	the	the	DET
bece-91	62	23	guided	guide	VERB
bece-91	62	24	learning	learning	NOUN
bece-91	62	25	sheet	sheet	NOUN
bece-91	62	26	.	.	PUNCT
bece-91	63	1	the	the	DET
bece-91	63	2	volume	volume	NOUN
bece-91	63	3	of	of	ADP
bece-91	63	4	water	water	NOUN
bece-91	63	5	drained	drain	VERB
bece-91	63	6	by	by	ADP
bece-91	63	7	an	an	DET
bece-91	63	8	object	object	NOUN
bece-91	63	9	in	in	ADP
bece-91	63	10	the	the	DET
bece-91	63	11	water	water	NOUN
bece-91	63	12	is	be	AUX
bece-91	63	13	called	call	VERB
bece-91	63	14	the	the	DET
bece-91	63	15	amount	amount	NOUN
bece-91	63	16	of	of	ADP
bece-91	63	17	water	water	NOUN
bece-91	63	18	discharged	discharge	VERB
bece-91	63	19	pinch	pinch	NOUN
bece-91	63	20	the	the	DET
bece-91	63	21	play	play	NOUN
bece-91	63	22	dough	dough	NOUN
bece-91	63	23	into	into	ADP
bece-91	63	24	different	different	ADJ
bece-91	63	25	shapes	shape	NOUN
bece-91	63	26	different	different	ADJ
bece-91	63	27	shapes	shape	NOUN
bece-91	63	28	will	will	AUX
bece-91	63	29	affect	affect	VERB
bece-91	63	30	the	the	DET
bece-91	63	31	floating	floating	NOUN
bece-91	63	32	of	of	ADP
bece-91	63	33	play	play	NOUN
bece-91	63	34	dough	dough	NOUN
bece-91	63	35	read	read	VERB
bece-91	63	36	the	the	DET
bece-91	63	37	amount	amount	NOUN
bece-91	63	38	of	of	ADP
bece-91	63	39	water	water	NOUN
bece-91	63	40	drained	drain	VERB
bece-91	63	41	from	from	ADP
bece-91	63	42	the	the	DET
bece-91	63	43	measuring	measure	VERB
bece-91	63	44	cup	cup	NOUN
bece-91	63	45	4th	4th	ADJ
bece-91	63	46	build	build	VERB
bece-91	63	47	a	a	DET
bece-91	63	48	small	small	ADJ
bece-91	63	49	boat	boat	NOUN
bece-91	63	50	1	1	NUM
bece-91	63	51	.	.	PUNCT
bece-91	64	1	the	the	DET
bece-91	64	2	teacher	teacher	NOUN
bece-91	64	3	introduces	introduce	VERB
bece-91	64	4	the	the	DET
bece-91	64	5	history	history	NOUN
bece-91	64	6	of	of	ADP
bece-91	64	7	the	the	DET
bece-91	64	8	development	development	NOUN
bece-91	64	9	of	of	ADP
bece-91	64	10	the	the	DET
bece-91	64	11	ship	ship	NOUN
bece-91	64	12	through	through	ADP
bece-91	64	13	a	a	DET
bece-91	64	14	short	short	ADJ
bece-91	64	15	film	film	NOUN
bece-91	64	16	,	,	PUNCT
bece-91	64	17	and	and	CCONJ
bece-91	64	18	let	let	VERB
bece-91	64	19	students	student	NOUN
bece-91	64	20	guess	guess	VERB
bece-91	64	21	why	why	SCONJ
bece-91	64	22	the	the	DET
bece-91	64	23	ship	ship	NOUN
bece-91	64	24	can	can	AUX
bece-91	64	25	float	float	VERB
bece-91	64	26	on	on	ADP
bece-91	64	27	the	the	DET
bece-91	64	28	water	water	NOUN
bece-91	64	29	;	;	PUNCT
bece-91	64	30	2	2	X
bece-91	64	31	.	.	X
bece-91	64	32	students	student	NOUN
bece-91	64	33	make	make	VERB
bece-91	64	34	hands	hand	NOUN
bece-91	64	35	-	-	PUNCT
bece-91	64	36	on	on	ADP
bece-91	64	37	production	production	NOUN
bece-91	64	38	:	:	PUNCT
bece-91	64	39	everyone	everyone	PRON
bece-91	64	40	uses	use	VERB
bece-91	64	41	the	the	DET
bece-91	64	42	same	same	ADJ
bece-91	64	43	amount	amount	NOUN
bece-91	64	44	of	of	ADP
bece-91	64	45	play	play	NOUN
bece-91	64	46	dough	dough	NOUN
bece-91	64	47	to	to	PART
bece-91	64	48	make	make	VERB
bece-91	64	49	boats	boat	NOUN
bece-91	64	50	in	in	ADP
bece-91	64	51	different	different	ADJ
bece-91	64	52	shapes	shape	NOUN
bece-91	64	53	,	,	PUNCT
bece-91	64	54	and	and	CCONJ
bece-91	64	55	observe	observe	VERB
bece-91	64	56	the	the	DET
bece-91	64	57	their	their	PRON
bece-91	64	58	floating	float	VERB
bece-91	64	59	in	in	ADP
bece-91	64	60	the	the	DET
bece-91	64	61	water	water	NOUN
bece-91	64	62	;	;	PUNCT
bece-91	64	63	why	why	SCONJ
bece-91	64	64	can	can	AUX
bece-91	64	65	a	a	DET
bece-91	64	66	boat	boat	NOUN
bece-91	64	67	float	float	VERB
bece-91	64	68	on	on	ADP
bece-91	64	69	the	the	DET
bece-91	64	70	water	water	NOUN
bece-91	64	71	?	?	PUNCT
bece-91	65	1	make	make	VERB
bece-91	65	2	different	different	ADJ
bece-91	65	3	shapes	shape	NOUN
bece-91	65	4	of	of	ADP
bece-91	65	5	boating	boat	VERB
bece-91	65	6	by	by	ADP
bece-91	65	7	play	play	NOUN
bece-91	65	8	dough	dough	NOUN
bece-91	65	9	how	how	SCONJ
bece-91	65	10	to	to	PART
bece-91	65	11	make	make	VERB
bece-91	65	12	a	a	DET
bece-91	65	13	floating	float	VERB
bece-91	65	14	boat	boat	NOUN
bece-91	65	15	?	?	PUNCT
bece-91	66	1	how	how	SCONJ
bece-91	66	2	to	to	PART
bece-91	66	3	make	make	VERB
bece-91	66	4	the	the	DET
bece-91	66	5	boat	boat	NOUN
bece-91	66	6	carry	carry	VERB
bece-91	66	7	more	more	ADJ
bece-91	66	8	weight	weight	NOUN
bece-91	66	9	?	?	PUNCT
bece-91	67	1	measure	measure	NOUN
bece-91	67	2	and	and	CCONJ
bece-91	67	3	record	record	VERB
bece-91	67	4	the	the	DET
bece-91	67	5	maximum	maximum	ADJ
bece-91	67	6	weight	weight	NOUN
bece-91	67	7	that	that	PRON
bece-91	67	8	carried	carry	VERB
bece-91	67	9	objects	object	NOUN
bece-91	67	10	qiao	qiao	PROPN
bece-91	67	11	&	&	CCONJ
bece-91	67	12	zhou	zhou	PROPN
bece-91	67	13	.	.	PUNCT
bece-91	68	1	integration	integration	NOUN
bece-91	68	2	of	of	ADP
bece-91	68	3	stem	stem	NOUN
bece-91	68	4	into	into	ADP
bece-91	68	5	rural	rural	ADJ
bece-91	68	6	elementary	elementary	ADJ
bece-91	68	7	curriculum	curriculum	NOUN
bece-91	68	8	in	in	ADP
bece-91	68	9	china	china	PROPN
bece-91	68	10	vol.5	vol.5	PROPN
bece-91	68	11	,	,	PUNCT
bece-91	68	12	no	no	INTJ
bece-91	68	13	.	.	NOUN
bece-91	68	14	1	1	NUM
bece-91	68	15	,	,	PUNCT
bece-91	68	16	2020	2020	NUM
bece-91	68	17	585	585	NUM
bece-91	68	18	3	3	NUM
bece-91	68	19	.	.	PUNCT
bece-91	69	1	the	the	DET
bece-91	69	2	group	group	NOUN
bece-91	69	3	's	's	PART
bece-91	69	4	exploration	exploration	NOUN
bece-91	69	5	and	and	CCONJ
bece-91	69	6	research	research	NOUN
bece-91	69	7	:	:	PUNCT
bece-91	69	8	thinking	think	VERB
bece-91	69	9	about	about	ADP
bece-91	69	10	how	how	SCONJ
bece-91	69	11	to	to	PART
bece-91	69	12	make	make	VERB
bece-91	69	13	improvements	improvement	NOUN
bece-91	69	14	to	to	PART
bece-91	69	15	make	make	VERB
bece-91	69	16	the	the	DET
bece-91	69	17	boat	boat	NOUN
bece-91	69	18	carry	carry	VERB
bece-91	69	19	more	more	ADJ
bece-91	69	20	weight	weight	NOUN
bece-91	69	21	;	;	PUNCT
bece-91	69	22	4	4	X
bece-91	69	23	.	.	X
bece-91	70	1	students	student	NOUN
bece-91	70	2	improve	improve	VERB
bece-91	70	3	the	the	DET
bece-91	70	4	boat	boat	NOUN
bece-91	70	5	and	and	CCONJ
bece-91	70	6	conduct	conduct	VERB
bece-91	70	7	a	a	DET
bece-91	70	8	boat	boat	NOUN
bece-91	70	9	show	show	NOUN
bece-91	70	10	.	.	PUNCT
bece-91	71	1	5th	5th	ADJ
bece-91	71	2	buoyant	buoyant	ADJ
bece-91	71	3	force	force	NOUN
bece-91	71	4	1	1	NUM
bece-91	71	5	.	.	PUNCT
bece-91	71	6	experiment	experiment	NOUN
bece-91	71	7	introduction	introduction	NOUN
bece-91	71	8	:	:	PUNCT
bece-91	71	9	let	let	VERB
bece-91	71	10	students	student	NOUN
bece-91	71	11	experience	experience	VERB
bece-91	71	12	the	the	DET
bece-91	71	13	concept	concept	NOUN
bece-91	71	14	of	of	ADP
bece-91	71	15	buoyancy	buoyancy	NOUN
bece-91	71	16	by	by	ADP
bece-91	71	17	themselves	themselves	PRON
bece-91	71	18	;	;	PUNCT
bece-91	71	19	2	2	X
bece-91	71	20	.	.	X
bece-91	71	21	discussion	discussion	NOUN
bece-91	71	22	by	by	ADP
bece-91	71	23	the	the	DET
bece-91	71	24	group	group	NOUN
bece-91	71	25	:	:	PUNCT
bece-91	71	26	whether	whether	SCONJ
bece-91	71	27	the	the	DET
bece-91	71	28	volume	volume	NOUN
bece-91	71	29	of	of	ADP
bece-91	71	30	the	the	DET
bece-91	71	31	object	object	NOUN
bece-91	71	32	in	in	ADP
bece-91	71	33	the	the	DET
bece-91	71	34	water	water	NOUN
bece-91	71	35	affects	affect	VERB
bece-91	71	36	the	the	DET
bece-91	71	37	buoyancy	buoyancy	NOUN
bece-91	71	38	,	,	PUNCT
bece-91	71	39	make	make	VERB
bece-91	71	40	an	an	DET
bece-91	71	41	exploration	exploration	NOUN
bece-91	71	42	research	research	NOUN
bece-91	71	43	table	table	NOUN
bece-91	71	44	;	;	PUNCT
bece-91	71	45	3	3	X
bece-91	71	46	.	.	X
bece-91	71	47	cooperative	cooperative	ADJ
bece-91	71	48	learning	learning	NOUN
bece-91	71	49	:	:	PUNCT
bece-91	71	50	learn	learn	VERB
bece-91	71	51	to	to	PART
bece-91	71	52	use	use	VERB
bece-91	71	53	dynamometer	dynamometer	NOUN
bece-91	71	54	to	to	PART
bece-91	71	55	measure	measure	VERB
bece-91	71	56	buoyancy	buoyancy	NOUN
bece-91	71	57	force	force	NOUN
bece-91	71	58	correctly	correctly	ADV
bece-91	71	59	and	and	CCONJ
bece-91	71	60	verify	verify	VERB
bece-91	71	61	the	the	DET
bece-91	71	62	record	record	NOUN
bece-91	71	63	form	form	NOUN
bece-91	71	64	;	;	PUNCT
bece-91	71	65	4	4	X
bece-91	71	66	.	.	X
bece-91	71	67	summarize	summarize	VERB
bece-91	71	68	the	the	DET
bece-91	71	69	factors	factor	NOUN
bece-91	71	70	that	that	PRON
bece-91	71	71	affect	affect	VERB
bece-91	71	72	the	the	DET
bece-91	71	73	buoyant	buoyant	ADJ
bece-91	71	74	force	force	NOUN
bece-91	71	75	.	.	PUNCT
bece-91	72	1	understand	understand	VERB
bece-91	72	2	the	the	DET
bece-91	72	3	concept	concept	NOUN
bece-91	72	4	of	of	ADP
bece-91	72	5	buoyant	buoyant	ADJ
bece-91	72	6	force	force	NOUN
bece-91	72	7	use	use	VERB
bece-91	72	8	spring	spring	NOUN
bece-91	72	9	dynamometer	dynamometer	NOUN
bece-91	72	10	to	to	PART
bece-91	72	11	test	test	VERB
bece-91	72	12	buoyant	buoyant	ADJ
bece-91	72	13	force	force	VERB
bece-91	72	14	the	the	DET
bece-91	72	15	principle	principle	NOUN
bece-91	72	16	of	of	ADP
bece-91	72	17	testing	test	VERB
bece-91	72	18	buoyant	buoyant	ADJ
bece-91	72	19	force	force	NOUN
bece-91	72	20	by	by	ADP
bece-91	72	21	spring	spring	NOUN
bece-91	72	22	dynamometer	dynamometer	NOUN
bece-91	72	23	reading	reading	NOUN
bece-91	72	24	of	of	ADP
bece-91	72	25	spring	spring	NOUN
bece-91	72	26	dynamometer	dynamometer	NOUN
bece-91	72	27	6th	6th	NOUN
bece-91	72	28	will	will	AUX
bece-91	72	29	sink	sink	VERB
bece-91	72	30	objects	object	NOUN
bece-91	72	31	be	be	AUX
bece-91	72	32	affected	affect	VERB
bece-91	72	33	by	by	ADP
bece-91	72	34	the	the	DET
bece-91	72	35	buoyant	buoyant	ADJ
bece-91	72	36	force	force	NOUN
bece-91	72	37	of	of	ADP
bece-91	72	38	water	water	NOUN
bece-91	72	39	?	?	PUNCT
bece-91	73	1	1	1	X
bece-91	73	2	.	.	PUNCT
bece-91	73	3	teachers	teacher	NOUN
bece-91	73	4	guide	guide	VERB
bece-91	73	5	students	student	NOUN
bece-91	73	6	on	on	ADP
bece-91	73	7	the	the	DET
bece-91	73	8	method	method	NOUN
bece-91	73	9	of	of	ADP
bece-91	73	10	learning	learn	VERB
bece-91	73	11	experiment	experiment	NOUN
bece-91	73	12	verification	verification	NOUN
bece-91	73	13	;	;	PUNCT
bece-91	73	14	2	2	X
bece-91	73	15	.	.	X
bece-91	73	16	teamwork	teamwork	NOUN
bece-91	73	17	:	:	PUNCT
bece-91	73	18	complete	complete	VERB
bece-91	73	19	the	the	DET
bece-91	73	20	experiment	experiment	NOUN
bece-91	73	21	and	and	CCONJ
bece-91	73	22	fill	fill	NOUN
bece-91	73	23	in	in	ADP
bece-91	73	24	the	the	DET
bece-91	73	25	record	record	NOUN
bece-91	73	26	form	form	NOUN
bece-91	73	27	;	;	PUNCT
bece-91	73	28	3	3	X
bece-91	73	29	.	.	X
bece-91	73	30	in	in	ADP
bece-91	73	31	-	-	PUNCT
bece-91	73	32	depth	depth	NOUN
bece-91	73	33	exploration	exploration	NOUN
bece-91	73	34	and	and	CCONJ
bece-91	73	35	research	research	NOUN
bece-91	73	36	:	:	PUNCT
bece-91	73	37	the	the	DET
bece-91	73	38	amount	amount	NOUN
bece-91	73	39	of	of	ADP
bece-91	73	40	buoyant	buoyant	ADJ
bece-91	73	41	force	force	NOUN
bece-91	73	42	experienced	experience	VERB
bece-91	73	43	by	by	ADP
bece-91	73	44	different	different	ADJ
bece-91	73	45	stones	stone	NOUN
bece-91	73	46	;	;	PUNCT
bece-91	73	47	4	4	X
bece-91	73	48	.	.	X
bece-91	73	49	analyze	analyze	VERB
bece-91	73	50	and	and	CCONJ
bece-91	73	51	summarize	summarize	VERB
bece-91	73	52	the	the	DET
bece-91	73	53	stress	stress	NOUN
bece-91	73	54	on	on	ADP
bece-91	73	55	the	the	DET
bece-91	73	56	stones	stone	NOUN
bece-91	73	57	and	and	CCONJ
bece-91	73	58	foam	foam	NOUN
bece-91	73	59	by	by	ADP
bece-91	73	60	drawing	draw	VERB
bece-91	73	61	:	:	PUNCT
bece-91	73	62	whether	whether	SCONJ
bece-91	73	63	the	the	DET
bece-91	73	64	sinking	sink	VERB
bece-91	73	65	object	object	NOUN
bece-91	73	66	is	be	AUX
bece-91	73	67	affected	affect	VERB
bece-91	73	68	by	by	ADP
bece-91	73	69	buoyant	buoyant	ADJ
bece-91	73	70	force	force	NOUN
bece-91	73	71	.	.	PUNCT
bece-91	74	1	learn	learn	VERB
bece-91	74	2	how	how	SCONJ
bece-91	74	3	to	to	PART
bece-91	74	4	verify	verify	VERB
bece-91	74	5	the	the	DET
bece-91	74	6	experiment	experiment	NOUN
bece-91	74	7	control	control	NOUN
bece-91	74	8	the	the	DET
bece-91	74	9	volume	volume	NOUN
bece-91	74	10	of	of	ADP
bece-91	74	11	objects	object	NOUN
bece-91	74	12	immersed	immerse	VERB
bece-91	74	13	in	in	ADP
bece-91	74	14	the	the	DET
bece-91	74	15	water	water	NOUN
bece-91	74	16	calculate	calculate	VERB
bece-91	74	17	the	the	DET
bece-91	74	18	magnitude	magnitude	NOUN
bece-91	74	19	of	of	ADP
bece-91	74	20	buoyant	buoyant	ADJ
bece-91	74	21	force	force	NOUN
bece-91	74	22	by	by	ADP
bece-91	74	23	reading	read	VERB
bece-91	74	24	the	the	DET
bece-91	74	25	value	value	NOUN
bece-91	74	26	of	of	ADP
bece-91	74	27	the	the	DET
bece-91	74	28	dynamometer	dynamometer	NOUN
bece-91	74	29	7th	7th	NOUN
bece-91	75	1	the	the	DET
bece-91	75	2	floating	floating	NOUN
bece-91	75	3	of	of	ADP
bece-91	75	4	potatoes	potato	NOUN
bece-91	75	5	in	in	ADP
bece-91	75	6	the	the	DET
bece-91	75	7	liquid	liquid	ADJ
bece-91	75	8	1	1	NUM
bece-91	75	9	.	.	PUNCT
bece-91	76	1	teachers	teacher	NOUN
bece-91	76	2	demonstrate	demonstrate	VERB
bece-91	76	3	the	the	DET
bece-91	76	4	floating	floating	NOUN
bece-91	76	5	of	of	ADP
bece-91	76	6	potatoes	potato	NOUN
bece-91	76	7	in	in	ADP
bece-91	76	8	different	different	ADJ
bece-91	76	9	liquids	liquid	NOUN
bece-91	76	10	through	through	ADP
bece-91	76	11	experiments	experiment	NOUN
bece-91	76	12	,	,	PUNCT
bece-91	76	13	and	and	CCONJ
bece-91	76	14	introduce	introduce	VERB
bece-91	76	15	the	the	DET
bece-91	76	16	effects	effect	NOUN
bece-91	76	17	of	of	ADP
bece-91	76	18	different	different	ADJ
bece-91	76	19	liquids	liquid	NOUN
bece-91	76	20	on	on	ADP
bece-91	76	21	the	the	DET
bece-91	76	22	floating	floating	NOUN
bece-91	76	23	of	of	ADP
bece-91	76	24	objects	object	NOUN
bece-91	76	25	;	;	PUNCT
bece-91	76	26	2	2	X
bece-91	76	27	.	.	X
bece-91	76	28	guess	guess	VERB
bece-91	76	29	and	and	CCONJ
bece-91	76	30	verify	verify	VERB
bece-91	76	31	"	"	PUNCT
bece-91	76	32	what	what	PRON
bece-91	76	33	is	be	AUX
bece-91	76	34	the	the	DET
bece-91	76	35	liquid	liquid	NOUN
bece-91	76	36	in	in	ADP
bece-91	76	37	the	the	DET
bece-91	76	38	experiment	experiment	NOUN
bece-91	76	39	"	"	PUNCT
bece-91	76	40	;	;	PUNCT
bece-91	76	41	3	3	X
bece-91	76	42	.	.	X
bece-91	76	43	teamwork	teamwork	NOUN
bece-91	76	44	:	:	PUNCT
bece-91	76	45	set	set	VERB
bece-91	76	46	up	up	ADP
bece-91	76	47	a	a	DET
bece-91	76	48	control	control	NOUN
bece-91	76	49	group	group	NOUN
bece-91	76	50	to	to	PART
bece-91	76	51	verify	verify	VERB
bece-91	76	52	the	the	DET
bece-91	76	53	effect	effect	NOUN
bece-91	76	54	of	of	ADP
bece-91	76	55	different	different	ADJ
bece-91	76	56	liquids	liquid	NOUN
bece-91	76	57	on	on	ADP
bece-91	76	58	the	the	DET
bece-91	76	59	floating	floating	NOUN
bece-91	76	60	of	of	ADP
bece-91	76	61	objects	object	NOUN
bece-91	76	62	;	;	PUNCT
bece-91	77	1	4	4	X
bece-91	77	2	.	.	X
bece-91	77	3	analyze	analyze	VERB
bece-91	77	4	the	the	DET
bece-91	77	5	rules	rule	NOUN
bece-91	77	6	and	and	CCONJ
bece-91	77	7	draw	draw	VERB
bece-91	77	8	conclusions	conclusion	NOUN
bece-91	77	9	.	.	PUNCT
bece-91	78	1	different	different	ADJ
bece-91	78	2	effects	effect	NOUN
bece-91	78	3	of	of	ADP
bece-91	78	4	different	different	ADJ
bece-91	78	5	liquids	liquid	NOUN
bece-91	78	6	on	on	ADP
bece-91	78	7	the	the	DET
bece-91	78	8	buoyant	buoyant	ADJ
bece-91	78	9	force	force	NOUN
bece-91	78	10	of	of	ADP
bece-91	78	11	objects	object	NOUN
bece-91	78	12	evaporate	evaporate	VERB
bece-91	78	13	the	the	DET
bece-91	78	14	liquid	liquid	NOUN
bece-91	78	15	with	with	ADP
bece-91	78	16	an	an	DET
bece-91	78	17	alcohol	alcohol	NOUN
bece-91	78	18	lamp	lamp	NOUN
bece-91	78	19	and	and	CCONJ
bece-91	78	20	observe	observe	VERB
bece-91	78	21	measure	measure	NOUN
bece-91	78	22	the	the	DET
bece-91	78	23	amount	amount	NOUN
bece-91	78	24	of	of	ADP
bece-91	78	25	water	water	NOUN
bece-91	78	26	and	and	CCONJ
bece-91	78	27	dissolve	dissolve	VERB
bece-91	78	28	it	it	PRON
bece-91	78	29	with	with	ADP
bece-91	78	30	different	different	ADJ
bece-91	78	31	amounts	amount	NOUN
bece-91	78	32	of	of	ADP
bece-91	78	33	table	table	NOUN
bece-91	78	34	salt	salt	NOUN
bece-91	78	35	8th	8th	PROPN
bece-91	78	36	explore	explore	VERB
bece-91	78	37	the	the	DET
bece-91	78	38	causes	cause	NOUN
bece-91	78	39	of	of	ADP
bece-91	78	40	sinking	sink	VERB
bece-91	78	41	and	and	CCONJ
bece-91	78	42	floating	float	VERB
bece-91	78	43	of	of	ADP
bece-91	78	44	potato	potato	NOUN
bece-91	78	45	1	1	NUM
bece-91	78	46	.	.	PUNCT
bece-91	79	1	under	under	ADP
bece-91	79	2	the	the	DET
bece-91	79	3	guidance	guidance	NOUN
bece-91	79	4	of	of	ADP
bece-91	79	5	teachers	teacher	NOUN
bece-91	79	6	,	,	PUNCT
bece-91	79	7	students	student	NOUN
bece-91	79	8	make	make	VERB
bece-91	79	9	guesses	guess	NOUN
bece-91	79	10	about	about	ADP
bece-91	79	11	the	the	DET
bece-91	79	12	reasons	reason	NOUN
bece-91	79	13	that	that	PRON
bece-91	79	14	affect	affect	VERB
bece-91	79	15	the	the	DET
bece-91	79	16	floating	floating	NOUN
bece-91	79	17	of	of	ADP
bece-91	79	18	potatoes	potato	NOUN
bece-91	79	19	,	,	PUNCT
bece-91	79	20	design	design	NOUN
bece-91	79	21	and	and	CCONJ
bece-91	79	22	make	make	VERB
bece-91	79	23	exploration	exploration	NOUN
bece-91	79	24	and	and	CCONJ
bece-91	79	25	research	research	NOUN
bece-91	79	26	records	record	NOUN
bece-91	79	27	;	;	PUNCT
bece-91	79	28	2	2	X
bece-91	79	29	.	.	X
bece-91	79	30	teamwork	teamwork	NOUN
bece-91	79	31	:	:	PUNCT
bece-91	79	32	verify	verify	VERB
bece-91	79	33	the	the	DET
bece-91	79	34	reason	reason	NOUN
bece-91	79	35	,	,	PUNCT
bece-91	79	36	complete	complete	ADJ
bece-91	79	37	exploration	exploration	NOUN
bece-91	79	38	and	and	CCONJ
bece-91	79	39	research	research	NOUN
bece-91	79	40	record	record	NOUN
bece-91	79	41	form	form	NOUN
bece-91	79	42	;	;	PUNCT
bece-91	79	43	3	3	X
bece-91	79	44	.	.	X
bece-91	79	45	analyze	analyze	VERB
bece-91	79	46	the	the	DET
bece-91	79	47	rules	rule	NOUN
bece-91	79	48	and	and	CCONJ
bece-91	79	49	draw	draw	VERB
bece-91	79	50	conclusions	conclusion	NOUN
bece-91	79	51	.	.	PUNCT
bece-91	80	1	the	the	DET
bece-91	80	2	same	same	ADJ
bece-91	80	3	object	object	NOUN
bece-91	80	4	will	will	AUX
bece-91	80	5	experience	experience	VERB
bece-91	80	6	different	different	ADJ
bece-91	80	7	buoyant	buoyant	ADJ
bece-91	80	8	force	force	NOUN
bece-91	80	9	in	in	ADP
bece-91	80	10	different	different	ADJ
bece-91	80	11	liquids	liquid	NOUN
bece-91	80	12	use	use	VERB
bece-91	80	13	the	the	DET
bece-91	80	14	balance	balance	NOUN
bece-91	80	15	correctly	correctly	ADV
bece-91	80	16	to	to	PART
bece-91	80	17	weigh	weigh	VERB
bece-91	80	18	the	the	DET
bece-91	80	19	weight	weight	NOUN
bece-91	80	20	the	the	DET
bece-91	80	21	principle	principle	NOUN
bece-91	80	22	of	of	ADP
bece-91	80	23	balance	balance	NOUN
bece-91	80	24	to	to	PART
bece-91	80	25	scale	scale	VERB
bece-91	80	26	weight	weight	NOUN
bece-91	80	27	reading	read	VERB
bece-91	80	28	the	the	DET
bece-91	80	29	value	value	NOUN
bece-91	80	30	of	of	ADP
bece-91	80	31	the	the	DET
bece-91	80	32	weight	weight	NOUN
bece-91	80	33	of	of	ADP
bece-91	80	34	the	the	DET
bece-91	80	35	balance	balance	NOUN
bece-91	80	36	scale	scale	NOUN
bece-91	80	37	note	note	NOUN
bece-91	80	38	:	:	PUNCT
bece-91	80	39	ch	ch	NOUN
bece-91	80	40	:	:	PUNCT
bece-91	80	41	class	class	NOUN
bece-91	80	42	hour	hour	NOUN
bece-91	80	43	;	;	PUNCT
bece-91	80	44	sci	sci	PROPN
bece-91	80	45	:	:	PUNCT
bece-91	80	46	science	science	NOUN
bece-91	80	47	;	;	PUNCT
bece-91	80	48	tech	tech	NOUN
bece-91	80	49	:	:	PUNCT
bece-91	80	50	technology	technology	NOUN
bece-91	80	51	;	;	PUNCT
bece-91	80	52	engi	engi	PROPN
bece-91	80	53	:	:	PUNCT
bece-91	80	54	engineer	engineer	NOUN
bece-91	80	55	,	,	PUNCT
bece-91	80	56	math	math	NOUN
bece-91	80	57	:	:	PUNCT
bece-91	80	58	mathematics	mathematic	NOUN
bece-91	80	59	.	.	PUNCT
bece-91	81	1	qiao	qiao	PROPN
bece-91	81	2	&	&	CCONJ
bece-91	81	3	zhou	zhou	PROPN
bece-91	81	4	.	.	PUNCT
bece-91	82	1	integration	integration	NOUN
bece-91	82	2	of	of	ADP
bece-91	82	3	stem	stem	NOUN
bece-91	82	4	into	into	ADP
bece-91	82	5	rural	rural	ADJ
bece-91	82	6	elementary	elementary	ADJ
bece-91	82	7	curriculum	curriculum	NOUN
bece-91	82	8	in	in	ADP
bece-91	82	9	china	china	PROPN
bece-91	82	10	vol.5	vol.5	PROPN
bece-91	82	11	,	,	PUNCT
bece-91	82	12	no	no	INTJ
bece-91	82	13	.	.	NOUN
bece-91	82	14	1	1	NUM
bece-91	82	15	,	,	PUNCT
bece-91	82	16	2020	2020	NUM
bece-91	82	17	586	586	NUM
bece-91	82	18	the	the	DET
bece-91	82	19	questionnaire	questionnaire	NOUN
bece-91	82	20	used	use	VERB
bece-91	82	21	in	in	ADP
bece-91	82	22	this	this	DET
bece-91	82	23	experiment	experiment	NOUN
bece-91	82	24	includes	include	VERB
bece-91	82	25	two	two	NUM
bece-91	82	26	parts	part	NOUN
bece-91	82	27	:	:	PUNCT
bece-91	82	28	basic	basic	ADJ
bece-91	82	29	knowledge	knowledge	NOUN
bece-91	82	30	(	(	PUNCT
bece-91	82	31	questions	question	NOUN
bece-91	82	32	1	1	NUM
bece-91	82	33	-	-	SYM
bece-91	82	34	10	10	NUM
bece-91	82	35	)	)	PUNCT
bece-91	82	36	and	and	CCONJ
bece-91	82	37	ability	ability	NOUN
bece-91	82	38	expansion	expansion	NOUN
bece-91	82	39	(	(	PUNCT
bece-91	82	40	questions	question	NOUN
bece-91	82	41	11	11	NUM
bece-91	82	42	-	-	SYM
bece-91	82	43	14	14	NUM
bece-91	82	44	)	)	PUNCT
bece-91	82	45	.	.	PUNCT
bece-91	83	1	questions	question	NOUN
bece-91	83	2	1	1	NUM
bece-91	83	3	-	-	SYM
bece-91	83	4	10	10	NUM
bece-91	83	5	are	be	AUX
bece-91	83	6	4	4	NUM
bece-91	83	7	points	point	NOUN
bece-91	83	8	each	each	PRON
bece-91	83	9	,	,	PUNCT
bece-91	83	10	questions	question	NOUN
bece-91	83	11	11	11	NUM
bece-91	83	12	-	-	SYM
bece-91	83	13	12	12	NUM
bece-91	83	14	are	be	AUX
bece-91	83	15	10	10	NUM
bece-91	83	16	points	point	NOUN
bece-91	83	17	each	each	PRON
bece-91	83	18	,	,	PUNCT
bece-91	83	19	and	and	CCONJ
bece-91	83	20	questions	question	NOUN
bece-91	83	21	13	13	NUM
bece-91	83	22	-	-	SYM
bece-91	83	23	14	14	NUM
bece-91	83	24	are	be	AUX
bece-91	83	25	20	20	NUM
bece-91	83	26	points	point	NOUN
bece-91	83	27	each	each	PRON
bece-91	83	28	for	for	ADP
bece-91	83	29	a	a	DET
bece-91	83	30	total	total	NOUN
bece-91	83	31	of	of	ADP
bece-91	83	32	100	100	NUM
bece-91	83	33	points	point	NOUN
bece-91	83	34	.	.	PUNCT
bece-91	84	1	an	an	DET
bece-91	84	2	example	example	NOUN
bece-91	84	3	basic	basic	ADJ
bece-91	84	4	knowledge	knowledge	NOUN
bece-91	84	5	question	question	NOUN
bece-91	84	6	is	be	AUX
bece-91	84	7	:	:	PUNCT
bece-91	84	8	(	(	PUNCT
bece-91	84	9	multiple	multiple	ADJ
bece-91	84	10	choices	choice	NOUN
bece-91	84	11	)	)	PUNCT
bece-91	84	12	when	when	SCONJ
bece-91	84	13	the	the	DET
bece-91	84	14	object	object	NOUN
bece-91	84	15	buoyant	buoyant	ADJ
bece-91	84	16	force	force	NOUN
bece-91	84	17	(	(	PUNCT
bece-91	84	18	_	_	NOUN
bece-91	84	19	)	)	PUNCT
bece-91	84	20	gravity	gravity	NOUN
bece-91	84	21	in	in	ADP
bece-91	84	22	the	the	DET
bece-91	84	23	water	water	NOUN
bece-91	84	24	,	,	PUNCT
bece-91	84	25	it	it	PRON
bece-91	84	26	sinks	sink	VERB
bece-91	84	27	.	.	PUNCT
bece-91	85	1	a	a	PRON
bece-91	85	2	)	)	PUNCT
bece-91	85	3	less	less	ADJ
bece-91	85	4	than	than	ADP
bece-91	85	5	;	;	PUNCT
bece-91	85	6	b	b	X
bece-91	85	7	)	)	PUNCT
bece-91	85	8	greater	great	ADJ
bece-91	85	9	than	than	ADP
bece-91	85	10	;	;	PUNCT
bece-91	85	11	c	c	X
bece-91	85	12	)	)	PUNCT
bece-91	85	13	equal	equal	ADJ
bece-91	85	14	.	.	PUNCT
bece-91	86	1	an	an	DET
bece-91	86	2	example	example	NOUN
bece-91	86	3	capacity	capacity	NOUN
bece-91	86	4	expansion	expansion	NOUN
bece-91	86	5	question	question	NOUN
bece-91	86	6	is	be	AUX
bece-91	86	7	:	:	PUNCT
bece-91	86	8	what	what	PRON
bece-91	86	9	would	would	AUX
bece-91	86	10	our	our	PRON
bece-91	86	11	life	life	NOUN
bece-91	86	12	be	be	AUX
bece-91	86	13	like	like	ADP
bece-91	86	14	if	if	SCONJ
bece-91	86	15	we	we	PRON
bece-91	86	16	lost	lose	VERB
bece-91	86	17	the	the	DET
bece-91	86	18	buoyant	buoyant	ADJ
bece-91	86	19	force	force	NOUN
bece-91	86	20	of	of	ADP
bece-91	86	21	water	water	NOUN
bece-91	86	22	?	?	PUNCT
bece-91	87	1	try	try	VERB
bece-91	87	2	to	to	PART
bece-91	87	3	write	write	VERB
bece-91	87	4	a	a	DET
bece-91	87	5	reasonable	reasonable	ADJ
bece-91	87	6	scenario	scenario	NOUN
bece-91	87	7	,	,	PUNCT
bece-91	87	8	the	the	DET
bece-91	87	9	more	more	ADV
bece-91	87	10	reasonable	reasonable	ADJ
bece-91	87	11	the	the	DET
bece-91	87	12	better	well	ADJ
bece-91	87	13	.	.	PUNCT
bece-91	88	1	scenario	scenario	NOUN
bece-91	88	2	one	one	NUM
bece-91	88	3	:	:	PUNCT
bece-91	89	1	_	_	PUNCT
bece-91	89	2	_	_	PUNCT
bece-91	89	3	;	;	PUNCT
bece-91	89	4	scenario	scenario	NOUN
bece-91	89	5	two	two	NUM
bece-91	89	6	:	:	PUNCT
bece-91	90	1	_	_	PUNCT
bece-91	90	2	_	_	PUNCT
bece-91	90	3	;	;	PUNCT
bece-91	90	4	scenario	scenario	NOUN
bece-91	90	5	three	three	NUM
bece-91	90	6	:	:	PUNCT
bece-91	91	1	_	_	PUNCT
bece-91	91	2	_	_	PUNCT
bece-91	91	3	;	;	PUNCT
bece-91	91	4	scenario	scenario	NOUN
bece-91	91	5	four	four	NUM
bece-91	91	6	:	:	PUNCT
bece-91	92	1	_	_	PUNCT
bece-91	92	2	_	_	PUNCT
bece-91	92	3	.	.	PUNCT
bece-91	93	1	the	the	DET
bece-91	93	2	content	content	NOUN
bece-91	93	3	of	of	ADP
bece-91	93	4	the	the	DET
bece-91	93	5	questionnaire	questionnaire	NOUN
bece-91	93	6	was	be	AUX
bece-91	93	7	discussed	discuss	VERB
bece-91	93	8	with	with	ADP
bece-91	93	9	teachers	teacher	NOUN
bece-91	93	10	several	several	ADJ
bece-91	93	11	times	time	NOUN
bece-91	93	12	,	,	PUNCT
bece-91	93	13	and	and	CCONJ
bece-91	93	14	the	the	DET
bece-91	93	15	questionnaire	questionnaire	NOUN
bece-91	93	16	gradually	gradually	ADV
bece-91	93	17	refined	refine	VERB
bece-91	93	18	.	.	PUNCT
bece-91	94	1	cronbach	cronbach	PROPN
bece-91	94	2	’s	’s	PART
bece-91	94	3			NOUN
bece-91	94	4	coefficient	coefficient	NOUN
bece-91	94	5	was	be	AUX
bece-91	94	6	used	use	VERB
bece-91	94	7	to	to	PART
bece-91	94	8	test	test	VERB
bece-91	94	9	the	the	DET
bece-91	94	10	reliability	reliability	NOUN
bece-91	94	11	of	of	ADP
bece-91	94	12	the	the	DET
bece-91	94	13	questionnaire	questionnaire	NOUN
bece-91	94	14	.	.	PUNCT
bece-91	95	1	the	the	DET
bece-91	95	2	basic	basic	ADJ
bece-91	95	3	knowledge	knowledge	NOUN
bece-91	95	4	and	and	CCONJ
bece-91	95	5	ability	ability	NOUN
bece-91	95	6	expansion	expansion	NOUN
bece-91	95	7	of	of	ADP
bece-91	95	8	the	the	DET
bece-91	95	9	entire	entire	ADJ
bece-91	95	10	questionnaire	questionnaire	NOUN
bece-91	95	11	had	have	VERB
bece-91	95	12	a	a	DET
bece-91	95	13	cronbach	cronbach	NOUN
bece-91	95	14	’s	’s	PART
bece-91	95	15			NOUN
bece-91	95	16	>	>	X
bece-91	95	17	0.8	0.8	NUM
bece-91	95	18	,	,	PUNCT
bece-91	95	19	indicating	indicate	VERB
bece-91	95	20	that	that	SCONJ
bece-91	95	21	the	the	DET
bece-91	95	22	questionnaire	questionnaire	NOUN
bece-91	95	23	has	have	VERB
bece-91	95	24	high	high	ADJ
bece-91	95	25	reliability	reliability	NOUN
bece-91	95	26	.	.	PUNCT
bece-91	96	1	after	after	ADP
bece-91	96	2	analysis	analysis	NOUN
bece-91	96	3	by	by	ADP
bece-91	96	4	teachers	teacher	NOUN
bece-91	96	5	in	in	ADP
bece-91	96	6	science	science	NOUN
bece-91	96	7	,	,	PUNCT
bece-91	96	8	the	the	DET
bece-91	96	9	questions	question	NOUN
bece-91	96	10	designed	design	VERB
bece-91	96	11	by	by	ADP
bece-91	96	12	this	this	DET
bece-91	96	13	questionnaire	questionnaire	NOUN
bece-91	96	14	were	be	AUX
bece-91	96	15	found	find	VERB
bece-91	96	16	to	to	PART
bece-91	96	17	meet	meet	VERB
bece-91	96	18	the	the	DET
bece-91	96	19	purpose	purpose	NOUN
bece-91	96	20	and	and	CCONJ
bece-91	96	21	requirements	requirement	NOUN
bece-91	96	22	of	of	ADP
bece-91	96	23	the	the	DET
bece-91	96	24	measurement	measurement	NOUN
bece-91	96	25	.	.	PUNCT
bece-91	97	1	the	the	DET
bece-91	97	2	basic	basic	ADJ
bece-91	97	3	knowledge	knowledge	NOUN
bece-91	97	4	questions	question	NOUN
bece-91	97	5	and	and	CCONJ
bece-91	97	6	ability	ability	NOUN
bece-91	97	7	expansion	expansion	NOUN
bece-91	97	8	of	of	ADP
bece-91	97	9	the	the	DET
bece-91	97	10	questionnaire	questionnaire	NOUN
bece-91	97	11	are	be	AUX
bece-91	97	12	significantly	significantly	ADV
bece-91	97	13	correlated	correlate	VERB
bece-91	97	14	with	with	ADP
bece-91	97	15	the	the	DET
bece-91	97	16	content	content	NOUN
bece-91	97	17	of	of	ADP
bece-91	97	18	each	each	DET
bece-91	97	19	question	question	NOUN
bece-91	97	20	,	,	PUNCT
bece-91	97	21	indicating	indicate	VERB
bece-91	97	22	that	that	SCONJ
bece-91	97	23	the	the	DET
bece-91	97	24	questionnaire	questionnaire	NOUN
bece-91	97	25	is	be	AUX
bece-91	97	26	highly	highly	ADV
bece-91	97	27	effective	effective	ADJ
bece-91	97	28	.	.	PUNCT
bece-91	98	1	participants	participant	NOUN
bece-91	98	2	and	and	CCONJ
bece-91	98	3	steps	step	NOUN
bece-91	98	4	in	in	ADP
bece-91	98	5	jiujiang	jiujiang	PROPN
bece-91	98	6	elementary	elementary	PROPN
bece-91	98	7	school	school	PROPN
bece-91	98	8	,	,	PUNCT
bece-91	98	9	shuangliu	shuangliu	ADJ
bece-91	98	10	district	district	NOUN
bece-91	98	11	,	,	PUNCT
bece-91	98	12	chengdu	chengdu	PROPN
bece-91	98	13	,	,	PUNCT
bece-91	98	14	200	200	NUM
bece-91	98	15	fifth	fifth	ADJ
bece-91	98	16	-	-	PUNCT
bece-91	98	17	grade	grade	NOUN
bece-91	98	18	students	student	NOUN
bece-91	98	19	were	be	AUX
bece-91	98	20	selected	select	VERB
bece-91	98	21	,	,	PUNCT
bece-91	98	22	including	include	VERB
bece-91	98	23	108	108	NUM
bece-91	98	24	boys	boy	NOUN
bece-91	98	25	(	(	PUNCT
bece-91	98	26	the	the	DET
bece-91	98	27	control	control	NOUN
bece-91	98	28	:	:	PUNCT
bece-91	98	29	57	57	NUM
bece-91	98	30	,	,	PUNCT
bece-91	98	31	the	the	DET
bece-91	98	32	experimental	experimental	ADJ
bece-91	98	33	:	:	PUNCT
bece-91	98	34	51	51	NUM
bece-91	98	35	)	)	PUNCT
bece-91	98	36	and	and	CCONJ
bece-91	98	37	92	92	NUM
bece-91	98	38	girls	girl	NOUN
bece-91	98	39	(	(	PUNCT
bece-91	98	40	the	the	DET
bece-91	98	41	control	control	NOUN
bece-91	98	42	:	:	PUNCT
bece-91	98	43	43	43	NUM
bece-91	98	44	,	,	PUNCT
bece-91	98	45	the	the	DET
bece-91	98	46	experimental	experimental	ADJ
bece-91	98	47	:	:	PUNCT
bece-91	98	48	49	49	NUM
bece-91	98	49	)	)	PUNCT
bece-91	98	50	.	.	PUNCT
bece-91	99	1	to	to	PART
bece-91	99	2	reduce	reduce	VERB
bece-91	99	3	non	non	ADJ
bece-91	99	4	-	-	ADJ
bece-91	99	5	experimental	experimental	ADJ
bece-91	99	6	variance	variance	NOUN
bece-91	99	7	in	in	ADP
bece-91	99	8	the	the	DET
bece-91	99	9	experiment	experiment	NOUN
bece-91	99	10	,	,	PUNCT
bece-91	99	11	the	the	DET
bece-91	99	12	knowledge	knowledge	NOUN
bece-91	99	13	background	background	NOUN
bece-91	99	14	and	and	CCONJ
bece-91	99	15	learning	learn	VERB
bece-91	99	16	ability	ability	NOUN
bece-91	99	17	of	of	ADP
bece-91	99	18	the	the	DET
bece-91	99	19	teachers	teacher	NOUN
bece-91	99	20	and	and	CCONJ
bece-91	99	21	students	student	NOUN
bece-91	99	22	participating	participate	VERB
bece-91	99	23	were	be	AUX
bece-91	99	24	made	make	VERB
bece-91	99	25	roughly	roughly	ADV
bece-91	99	26	the	the	DET
bece-91	99	27	same	same	ADJ
bece-91	99	28	for	for	ADP
bece-91	99	29	the	the	DET
bece-91	99	30	control	control	NOUN
bece-91	99	31	and	and	CCONJ
bece-91	99	32	experimental	experimental	ADJ
bece-91	99	33	groups	group	NOUN
bece-91	99	34	.	.	PUNCT
bece-91	100	1	(	(	PUNCT
bece-91	100	2	i	i	NOUN
bece-91	100	3	)	)	PUNCT
bece-91	100	4	before	before	ADP
bece-91	100	5	the	the	DET
bece-91	100	6	experiment	experiment	NOUN
bece-91	100	7	,	,	PUNCT
bece-91	100	8	students	student	NOUN
bece-91	100	9	in	in	ADP
bece-91	100	10	the	the	DET
bece-91	100	11	control	control	NOUN
bece-91	100	12	and	and	CCONJ
bece-91	100	13	experimental	experimental	ADJ
bece-91	100	14	groups	group	NOUN
bece-91	100	15	completed	complete	VERB
bece-91	100	16	a	a	DET
bece-91	100	17	questionnaire	questionnaire	NOUN
bece-91	100	18	survey	survey	NOUN
bece-91	100	19	to	to	PART
bece-91	100	20	collect	collect	VERB
bece-91	100	21	pre	pre	ADJ
bece-91	100	22	-	-	ADJ
bece-91	100	23	treatment	treatment	ADJ
bece-91	100	24	data	datum	NOUN
bece-91	100	25	.	.	PUNCT
bece-91	101	1	(	(	PUNCT
bece-91	101	2	ii	ii	X
bece-91	101	3	)	)	PUNCT
bece-91	101	4	the	the	DET
bece-91	101	5	students	student	NOUN
bece-91	101	6	in	in	ADP
bece-91	101	7	the	the	DET
bece-91	101	8	experimental	experimental	ADJ
bece-91	101	9	group	group	NOUN
bece-91	101	10	studied	study	VERB
bece-91	101	11	stem	stem	NOUN
bece-91	101	12	courses	course	NOUN
bece-91	101	13	,	,	PUNCT
bece-91	101	14	while	while	SCONJ
bece-91	101	15	students	student	NOUN
bece-91	101	16	in	in	ADP
bece-91	101	17	the	the	DET
bece-91	101	18	control	control	NOUN
bece-91	101	19	group	group	NOUN
bece-91	101	20	studied	study	VERB
bece-91	101	21	traditional	traditional	ADJ
bece-91	101	22	courses	course	NOUN
bece-91	101	23	.	.	PUNCT
bece-91	102	1	(	(	PUNCT
bece-91	102	2	iii	iii	X
bece-91	102	3	)	)	PUNCT
bece-91	102	4	after	after	ADP
bece-91	102	5	the	the	DET
bece-91	102	6	experiment	experiment	NOUN
bece-91	102	7	,	,	PUNCT
bece-91	102	8	students	student	NOUN
bece-91	102	9	in	in	ADP
bece-91	102	10	the	the	DET
bece-91	102	11	control	control	NOUN
bece-91	102	12	group	group	NOUN
bece-91	102	13	and	and	CCONJ
bece-91	102	14	the	the	DET
bece-91	102	15	experimental	experimental	ADJ
bece-91	102	16	groups	group	NOUN
bece-91	102	17	again	again	ADV
bece-91	102	18	completed	complete	VERB
bece-91	102	19	the	the	DET
bece-91	102	20	questionnaire	questionnaire	NOUN
bece-91	102	21	survey	survey	NOUN
bece-91	102	22	to	to	PART
bece-91	102	23	collect	collect	VERB
bece-91	102	24	post	post	ADJ
bece-91	102	25	-	-	ADJ
bece-91	102	26	treatment	treatment	ADJ
bece-91	102	27	data	datum	NOUN
bece-91	102	28	.	.	PUNCT
bece-91	103	1	statistical	statistical	ADJ
bece-91	103	2	analysis	analysis	NOUN
bece-91	103	3	all	all	DET
bece-91	103	4	data	datum	NOUN
bece-91	103	5	processing	processing	NOUN
bece-91	103	6	and	and	CCONJ
bece-91	103	7	analysis	analysis	NOUN
bece-91	103	8	were	be	AUX
bece-91	103	9	done	do	VERB
bece-91	103	10	using	use	VERB
bece-91	103	11	spss	spss	PROPN
bece-91	103	12	v20.0	v20.0	PROPN
bece-91	103	13	.	.	PUNCT
bece-91	103	14	assuming	assume	VERB
bece-91	103	15	that	that	SCONJ
bece-91	103	16	both	both	PRON
bece-91	103	17	pre	pre	ADJ
bece-91	103	18	and	and	CCONJ
bece-91	103	19	post	post	ADJ
bece-91	103	20	-	-	ADJ
bece-91	103	21	experiment	experiment	ADJ
bece-91	103	22	questionnaire	questionnaire	NOUN
bece-91	103	23	data	datum	NOUN
bece-91	103	24	of	of	ADP
bece-91	103	25	the	the	DET
bece-91	103	26	control	control	NOUN
bece-91	103	27	group	group	NOUN
bece-91	103	28	meets	meet	VERB
bece-91	103	29	the	the	DET
bece-91	103	30	normal	normal	ADJ
bece-91	103	31	distribution	distribution	NOUN
bece-91	103	32	,	,	PUNCT
bece-91	103	33	we	we	PRON
bece-91	103	34	continued	continue	VERB
bece-91	103	35	to	to	PART
bece-91	103	36	use	use	VERB
bece-91	103	37	the	the	DET
bece-91	103	38	independent	independent	ADJ
bece-91	103	39	sample	sample	NOUN
bece-91	103	40	t	t	NOUN
bece-91	103	41	-	-	PUNCT
bece-91	103	42	test	test	NOUN
bece-91	103	43	to	to	PART
bece-91	103	44	compare	compare	VERB
bece-91	103	45	the	the	DET
bece-91	103	46	control	control	NOUN
bece-91	103	47	group	group	NOUN
bece-91	103	48	before	before	ADP
bece-91	103	49	and	and	CCONJ
bece-91	103	50	after	after	ADP
bece-91	103	51	learning	learn	VERB
bece-91	103	52	,	,	PUNCT
bece-91	103	53	including	include	VERB
bece-91	103	54	testing	test	VERB
bece-91	103	55	on	on	ADP
bece-91	103	56	the	the	DET
bece-91	103	57	student	student	NOUN
bece-91	103	58	’s	’s	PART
bece-91	103	59	total	total	ADJ
bece-91	103	60	score	score	NOUN
bece-91	103	61	,	,	PUNCT
bece-91	103	62	basic	basic	ADJ
bece-91	103	63	knowledge	knowledge	NOUN
bece-91	103	64	,	,	PUNCT
bece-91	103	65	and	and	CCONJ
bece-91	103	66	ability	ability	NOUN
bece-91	103	67	expansion	expansion	NOUN
bece-91	103	68	.	.	PUNCT
bece-91	104	1	results	result	NOUN
bece-91	104	2	pre	pre	ADJ
bece-91	104	3	-	-	ADJ
bece-91	104	4	experiment	experiment	ADJ
bece-91	104	5	data	datum	NOUN
bece-91	104	6	analysis	analysis	NOUN
bece-91	104	7	qiao	qiao	PROPN
bece-91	104	8	&	&	CCONJ
bece-91	104	9	zhou	zhou	PROPN
bece-91	104	10	.	.	PUNCT
bece-91	105	1	integration	integration	NOUN
bece-91	105	2	of	of	ADP
bece-91	105	3	stem	stem	NOUN
bece-91	105	4	into	into	ADP
bece-91	105	5	rural	rural	ADJ
bece-91	105	6	elementary	elementary	ADJ
bece-91	105	7	curriculum	curriculum	NOUN
bece-91	105	8	in	in	ADP
bece-91	105	9	china	china	PROPN
bece-91	105	10	vol.5	vol.5	PROPN
bece-91	105	11	,	,	PUNCT
bece-91	105	12	no	no	INTJ
bece-91	105	13	.	.	NOUN
bece-91	105	14	1	1	NUM
bece-91	105	15	,	,	PUNCT
bece-91	105	16	2020	2020	NUM
bece-91	105	17	587	587	NUM
bece-91	105	18	before	before	ADP
bece-91	105	19	the	the	DET
bece-91	105	20	experiment	experiment	NOUN
bece-91	105	21	,	,	PUNCT
bece-91	105	22	there	there	PRON
bece-91	105	23	are	be	VERB
bece-91	105	24	no	no	DET
bece-91	105	25	significant	significant	ADJ
bece-91	105	26	differences	difference	NOUN
bece-91	105	27	in	in	ADP
bece-91	105	28	knowledge	knowledge	NOUN
bece-91	105	29	(	(	PUNCT
bece-91	105	30	effect	effect	NOUN
bece-91	105	31	=	=	NOUN
bece-91	105	32	0.037	0.037	NUM
bece-91	105	33	)	)	PUNCT
bece-91	105	34	,	,	PUNCT
bece-91	105	35	ability	ability	NOUN
bece-91	105	36	expansion	expansion	NOUN
bece-91	105	37	(	(	PUNCT
bece-91	105	38	effect	effect	NOUN
bece-91	105	39	size	size	NOUN
bece-91	105	40	=	=	SYM
bece-91	105	41	-0.065	-0.065	NUM
bece-91	105	42	)	)	PUNCT
bece-91	105	43	or	or	CCONJ
bece-91	105	44	total	total	ADJ
bece-91	105	45	score	score	NOUN
bece-91	105	46	(	(	PUNCT
bece-91	105	47	effect	effect	NOUN
bece-91	105	48	size	size	NOUN
bece-91	105	49	=	=	PUNCT
bece-91	105	50	0.063	0.063	NUM
bece-91	105	51	,	,	PUNCT
bece-91	105	52	p	p	X
bece-91	105	53	>	>	X
bece-91	105	54	0.05	0.05	NUM
bece-91	105	55	)	)	PUNCT
bece-91	105	56	between	between	ADP
bece-91	105	57	the	the	DET
bece-91	105	58	experimental	experimental	ADJ
bece-91	105	59	group	group	NOUN
bece-91	105	60	and	and	CCONJ
bece-91	105	61	the	the	DET
bece-91	105	62	control	control	NOUN
bece-91	105	63	group	group	NOUN
bece-91	105	64	(	(	PUNCT
bece-91	105	65	table	table	NOUN
bece-91	105	66	2	2	NUM
bece-91	105	67	)	)	PUNCT
bece-91	105	68	.	.	PUNCT
bece-91	106	1	comparison	comparison	NOUN
bece-91	106	2	between	between	ADP
bece-91	106	3	preand	preand	NOUN
bece-91	106	4	post	post	ADJ
bece-91	106	5	-	-	ADJ
bece-91	106	6	experiment	experiment	ADJ
bece-91	106	7	data	datum	NOUN
bece-91	106	8	of	of	ADP
bece-91	106	9	the	the	DET
bece-91	106	10	control	control	NOUN
bece-91	106	11	group	group	NOUN
bece-91	106	12	students	student	NOUN
bece-91	106	13	in	in	ADP
bece-91	106	14	the	the	DET
bece-91	106	15	control	control	NOUN
bece-91	106	16	group	group	NOUN
bece-91	106	17	differed	differ	VERB
bece-91	106	18	significantly	significantly	ADV
bece-91	106	19	in	in	ADP
bece-91	106	20	the	the	DET
bece-91	106	21	total	total	ADJ
bece-91	106	22	score	score	NOUN
bece-91	106	23	,	,	PUNCT
bece-91	106	24	basic	basic	ADJ
bece-91	106	25	knowledge	knowledge	NOUN
bece-91	106	26	and	and	CCONJ
bece-91	106	27	ability	ability	NOUN
bece-91	106	28	expansion	expansion	NOUN
bece-91	106	29	before	before	ADP
bece-91	106	30	and	and	CCONJ
bece-91	106	31	after	after	ADP
bece-91	106	32	learning	learn	VERB
bece-91	106	33	(	(	PUNCT
bece-91	106	34	p	p	X
bece-91	106	35	<	<	X
bece-91	106	36	0.01	0.01	NUM
bece-91	106	37	;	;	PUNCT
bece-91	106	38	table	table	NOUN
bece-91	106	39	3	3	NUM
bece-91	106	40	)	)	PUNCT
bece-91	106	41	.	.	PUNCT
bece-91	107	1	the	the	DET
bece-91	107	2	average	average	ADJ
bece-91	107	3	score	score	NOUN
bece-91	107	4	of	of	ADP
bece-91	107	5	the	the	DET
bece-91	107	6	control	control	NOUN
bece-91	107	7	group	group	NOUN
bece-91	107	8	after	after	ADP
bece-91	107	9	learning	learn	VERB
bece-91	107	10	was	be	AUX
bece-91	107	11	better	well	ADJ
bece-91	107	12	than	than	ADP
bece-91	107	13	before	before	ADP
bece-91	107	14	learning	learn	VERB
bece-91	107	15	.	.	PUNCT
bece-91	108	1	the	the	DET
bece-91	108	2	effect	effect	NOUN
bece-91	108	3	size	size	NOUN
bece-91	108	4	was	be	AUX
bece-91	108	5	moderate	moderate	ADJ
bece-91	108	6	in	in	ADP
bece-91	108	7	both	both	PRON
bece-91	108	8	preand	preand	VERB
bece-91	108	9	post	post	ADJ
bece-91	108	10	-	-	ADJ
bece-91	108	11	experiment	experiment	ADJ
bece-91	108	12	tests	test	NOUN
bece-91	108	13	.	.	PUNCT
bece-91	109	1	this	this	PRON
bece-91	109	2	shows	show	VERB
bece-91	109	3	that	that	SCONJ
bece-91	109	4	traditional	traditional	ADJ
bece-91	109	5	courses	course	NOUN
bece-91	109	6	can	can	AUX
bece-91	109	7	improve	improve	VERB
bece-91	109	8	students	student	NOUN
bece-91	109	9	’	'	PUNCT
bece-91	109	10	knowledge	knowledge	NOUN
bece-91	109	11	level	level	NOUN
bece-91	109	12	and	and	CCONJ
bece-91	109	13	ability	ability	NOUN
bece-91	109	14	.	.	PUNCT
bece-91	110	1	comparison	comparison	NOUN
bece-91	110	2	between	between	ADP
bece-91	110	3	preand	preand	NOUN
bece-91	110	4	post	post	ADJ
bece-91	110	5	-	-	ADJ
bece-91	110	6	experiment	experiment	ADJ
bece-91	110	7	data	datum	NOUN
bece-91	110	8	of	of	ADP
bece-91	110	9	the	the	DET
bece-91	110	10	experimental	experimental	ADJ
bece-91	110	11	group	group	NOUN
bece-91	110	12	students	student	NOUN
bece-91	110	13	in	in	ADP
bece-91	110	14	the	the	DET
bece-91	110	15	experimental	experimental	ADJ
bece-91	110	16	group	group	NOUN
bece-91	110	17	differed	differ	VERB
bece-91	110	18	significantly	significantly	ADV
bece-91	110	19	in	in	ADP
bece-91	110	20	total	total	ADJ
bece-91	110	21	score	score	NOUN
bece-91	110	22	,	,	PUNCT
bece-91	110	23	basic	basic	ADJ
bece-91	110	24	knowledge	knowledge	NOUN
bece-91	110	25	and	and	CCONJ
bece-91	110	26	ability	ability	NOUN
bece-91	110	27	expansion	expansion	NOUN
bece-91	110	28	before	before	ADP
bece-91	110	29	and	and	CCONJ
bece-91	110	30	after	after	ADP
bece-91	110	31	learning	learn	VERB
bece-91	110	32	(	(	PUNCT
bece-91	110	33	p	p	X
bece-91	110	34	<	<	X
bece-91	110	35	0.01	0.01	NUM
bece-91	110	36	;	;	PUNCT
bece-91	110	37	table	table	NOUN
bece-91	110	38	4	4	NUM
bece-91	110	39	)	)	PUNCT
bece-91	110	40	.	.	PUNCT
bece-91	111	1	the	the	DET
bece-91	111	2	average	average	ADJ
bece-91	111	3	score	score	NOUN
bece-91	111	4	of	of	ADP
bece-91	111	5	the	the	DET
bece-91	111	6	experimental	experimental	ADJ
bece-91	111	7	group	group	NOUN
bece-91	111	8	after	after	ADP
bece-91	111	9	learning	learn	VERB
bece-91	111	10	was	be	AUX
bece-91	111	11	greater	great	ADJ
bece-91	111	12	than	than	ADP
bece-91	111	13	before	before	ADP
bece-91	111	14	learning	learning	NOUN
bece-91	111	15	and	and	CCONJ
bece-91	111	16	the	the	DET
bece-91	111	17	effect	effect	NOUN
bece-91	111	18	size	size	NOUN
bece-91	111	19	was	be	AUX
bece-91	111	20	large	large	ADJ
bece-91	111	21	in	in	ADP
bece-91	111	22	both	both	PRON
bece-91	111	23	preand	preand	VERB
bece-91	111	24	post	post	ADJ
bece-91	111	25	-	-	NOUN
bece-91	111	26	experiment	experiment	NOUN
bece-91	111	27	.	.	PUNCT
bece-91	112	1	this	this	PRON
bece-91	112	2	shows	show	VERB
bece-91	112	3	that	that	SCONJ
bece-91	112	4	stem	stem	NOUN
bece-91	112	5	courses	course	NOUN
bece-91	112	6	can	can	AUX
bece-91	112	7	improve	improve	VERB
bece-91	112	8	students	student	NOUN
bece-91	112	9	’	'	PUNCT
bece-91	112	10	knowledge	knowledge	NOUN
bece-91	112	11	level	level	NOUN
bece-91	112	12	and	and	CCONJ
bece-91	112	13	ability	ability	NOUN
bece-91	112	14	.	.	PUNCT
bece-91	113	1	post	post	ADJ
bece-91	113	2	-	-	ADJ
bece-91	113	3	experiment	experiment	ADJ
bece-91	113	4	data	datum	NOUN
bece-91	113	5	analysis	analysis	NOUN
bece-91	113	6	an	an	DET
bece-91	113	7	independent	independent	ADJ
bece-91	113	8	sample	sample	NOUN
bece-91	113	9	t	t	NOUN
bece-91	113	10	-	-	PUNCT
bece-91	113	11	test	test	NOUN
bece-91	113	12	compared	compare	VERB
bece-91	113	13	the	the	DET
bece-91	113	14	experimental	experimental	ADJ
bece-91	113	15	and	and	CCONJ
bece-91	113	16	control	control	NOUN
bece-91	113	17	groups	group	NOUN
bece-91	113	18	after	after	ADP
bece-91	113	19	learning	learn	VERB
bece-91	113	20	,	,	PUNCT
bece-91	113	21	including	include	VERB
bece-91	113	22	testing	test	VERB
bece-91	113	23	on	on	ADP
bece-91	113	24	the	the	DET
bece-91	113	25	student	student	NOUN
bece-91	113	26	’s	’s	PART
bece-91	113	27	total	total	ADJ
bece-91	113	28	score	score	NOUN
bece-91	113	29	,	,	PUNCT
bece-91	113	30	basic	basic	ADJ
bece-91	113	31	knowledge	knowledge	NOUN
bece-91	113	32	,	,	PUNCT
bece-91	113	33	and	and	CCONJ
bece-91	113	34	ability	ability	NOUN
bece-91	113	35	expansion	expansion	NOUN
bece-91	113	36	(	(	PUNCT
bece-91	113	37	table	table	NOUN
bece-91	113	38	5	5	NUM
bece-91	113	39	)	)	PUNCT
bece-91	113	40	.	.	PUNCT
bece-91	114	1	after	after	ADP
bece-91	114	2	separate	separate	ADJ
bece-91	114	3	learning	learning	NOUN
bece-91	114	4	,	,	PUNCT
bece-91	114	5	students	student	NOUN
bece-91	114	6	in	in	ADP
bece-91	114	7	the	the	DET
bece-91	114	8	two	two	NUM
bece-91	114	9	groups	group	NOUN
bece-91	114	10	differed	differ	VERB
bece-91	114	11	significantly	significantly	ADV
bece-91	114	12	in	in	ADP
bece-91	114	13	total	total	ADJ
bece-91	114	14	score	score	NOUN
bece-91	114	15	,	,	PUNCT
bece-91	114	16	basic	basic	ADJ
bece-91	114	17	knowledge	knowledge	NOUN
bece-91	114	18	and	and	CCONJ
bece-91	114	19	ability	ability	NOUN
bece-91	114	20	expansion	expansion	NOUN
bece-91	114	21	(	(	PUNCT
bece-91	114	22	p	p	X
bece-91	114	23	<	<	X
bece-91	114	24	0.01	0.01	NUM
bece-91	114	25	;	;	PUNCT
bece-91	114	26	table	table	NOUN
bece-91	114	27	5	5	NUM
bece-91	114	28	)	)	PUNCT
bece-91	114	29	.	.	PUNCT
bece-91	115	1	overall	overall	ADJ
bece-91	115	2	performance	performance	NOUN
bece-91	115	3	ability	ability	NOUN
bece-91	115	4	expansion	expansion	NOUN
bece-91	115	5	had	have	VERB
bece-91	115	6	a	a	DET
bece-91	115	7	moderate	moderate	ADJ
bece-91	115	8	effect	effect	NOUN
bece-91	115	9	size	size	NOUN
bece-91	115	10	,	,	PUNCT
bece-91	115	11	and	and	CCONJ
bece-91	115	12	the	the	DET
bece-91	115	13	basic	basic	ADJ
bece-91	115	14	knowledge	knowledge	NOUN
bece-91	115	15	effect	effect	NOUN
bece-91	115	16	size	size	NOUN
bece-91	115	17	was	be	AUX
bece-91	115	18	large	large	ADJ
bece-91	115	19	.	.	PUNCT
bece-91	116	1	thus	thus	ADV
bece-91	116	2	,	,	PUNCT
bece-91	116	3	the	the	DET
bece-91	116	4	stem	stem	NOUN
bece-91	116	5	teaching	teaching	NOUN
bece-91	116	6	course	course	NOUN
bece-91	116	7	has	have	VERB
bece-91	116	8	advantages	advantage	NOUN
bece-91	116	9	over	over	ADP
bece-91	116	10	the	the	DET
bece-91	116	11	traditional	traditional	ADJ
bece-91	116	12	course	course	NOUN
bece-91	116	13	when	when	SCONJ
bece-91	116	14	integrated	integrate	VERB
bece-91	116	15	into	into	ADP
bece-91	116	16	the	the	DET
bece-91	116	17	science	science	NOUN
bece-91	116	18	curriculum	curriculum	NOUN
bece-91	116	19	.	.	PUNCT
bece-91	117	1	discussion	discussion	NOUN
bece-91	117	2	the	the	DET
bece-91	117	3	experimental	experimental	ADJ
bece-91	117	4	data	datum	NOUN
bece-91	117	5	reveals	reveal	VERB
bece-91	117	6	that	that	SCONJ
bece-91	117	7	the	the	DET
bece-91	117	8	teaching	teaching	NOUN
bece-91	117	9	practice	practice	NOUN
bece-91	117	10	of	of	ADP
bece-91	117	11	stem	stem	NOUN
bece-91	117	12	used	use	VERB
bece-91	117	13	in	in	ADP
bece-91	117	14	this	this	DET
bece-91	117	15	study	study	NOUN
bece-91	117	16	was	be	AUX
bece-91	117	17	effective	effective	ADJ
bece-91	117	18	in	in	ADP
bece-91	117	19	improving	improve	VERB
bece-91	117	20	the	the	DET
bece-91	117	21	science	science	NOUN
bece-91	117	22	curriculum	curriculum	NOUN
bece-91	117	23	knowledge	knowledge	NOUN
bece-91	117	24	and	and	CCONJ
bece-91	117	25	ability	ability	NOUN
bece-91	117	26	of	of	ADP
bece-91	117	27	elementary	elementary	ADJ
bece-91	117	28	school	school	NOUN
bece-91	117	29	students	student	NOUN
bece-91	117	30	in	in	ADP
bece-91	117	31	rural	rural	ADJ
bece-91	117	32	china	china	PROPN
bece-91	117	33	and	and	CCONJ
bece-91	117	34	had	have	VERB
bece-91	117	35	advantages	advantage	NOUN
bece-91	117	36	over	over	ADP
bece-91	117	37	the	the	DET
bece-91	117	38	traditional	traditional	ADJ
bece-91	117	39	science	science	NOUN
bece-91	117	40	curriculum	curriculum	NOUN
bece-91	117	41	.	.	PUNCT
bece-91	118	1	the	the	DET
bece-91	118	2	core	core	NOUN
bece-91	118	3	features	feature	NOUN
bece-91	118	4	of	of	ADP
bece-91	118	5	stem	stem	NOUN
bece-91	118	6	are	be	AUX
bece-91	118	7	that	that	SCONJ
bece-91	118	8	it	it	PRON
bece-91	118	9	is	be	AUX
bece-91	118	10	interdisciplinary	interdisciplinary	ADJ
bece-91	118	11	,	,	PUNCT
bece-91	118	12	interesting	interesting	ADJ
bece-91	118	13	,	,	PUNCT
bece-91	118	14	experiential	experiential	ADJ
bece-91	118	15	,	,	PUNCT
bece-91	118	16	situational	situational	ADJ
bece-91	118	17	,	,	PUNCT
bece-91	118	18	collaborative	collaborative	ADJ
bece-91	118	19	,	,	PUNCT
bece-91	118	20	artistic	artistic	ADJ
bece-91	118	21	,	,	PUNCT
bece-91	118	22	empirical	empirical	ADJ
bece-91	118	23	,	,	PUNCT
bece-91	118	24	and	and	CCONJ
bece-91	118	25	technologically	technologically	ADV
bece-91	118	26	enhanced	enhance	VERB
bece-91	118	27	.	.	PUNCT
bece-91	119	1	the	the	DET
bece-91	119	2	stem	stem	NOUN
bece-91	119	3	education	education	NOUN
bece-91	119	4	curriculum	curriculum	NOUN
bece-91	119	5	is	be	AUX
bece-91	119	6	designed	design	VERB
bece-91	119	7	to	to	PART
bece-91	119	8	engage	engage	VERB
bece-91	119	9	students	student	NOUN
bece-91	119	10	in	in	ADP
bece-91	119	11	learning	learn	VERB
bece-91	119	12	based	base	VERB
bece-91	119	13	on	on	ADP
bece-91	119	14	activities	activity	NOUN
bece-91	119	15	,	,	PUNCT
bece-91	119	16	projects	project	NOUN
bece-91	119	17	,	,	PUNCT
bece-91	119	18	and	and	CCONJ
bece-91	119	19	problem	problem	NOUN
bece-91	119	20	solving	solve	VERB
bece-91	119	21	that	that	PRON
bece-91	119	22	provide	provide	VERB
bece-91	119	23	a	a	DET
bece-91	119	24	hands	hand	NOUN
bece-91	119	25	-	-	PUNCT
bece-91	119	26	on	on	ADP
bece-91	119	27	classroom	classroom	NOUN
bece-91	119	28	experience	experience	NOUN
bece-91	119	29	(	(	PUNCT
bece-91	119	30	wang	wang	PROPN
bece-91	119	31	,	,	PUNCT
bece-91	119	32	2016	2016	NUM
bece-91	119	33	)	)	PUNCT
bece-91	119	34	.	.	PUNCT
bece-91	120	1	in	in	ADP
bece-91	120	2	response	response	NOUN
bece-91	120	3	to	to	ADP
bece-91	120	4	the	the	DET
bece-91	120	5	characteristics	characteristic	NOUN
bece-91	120	6	of	of	ADP
bece-91	120	7	rural	rural	ADJ
bece-91	120	8	elementary	elementary	ADJ
bece-91	120	9	school	school	NOUN
bece-91	120	10	students	student	NOUN
bece-91	120	11	in	in	ADP
bece-91	120	12	china	china	PROPN
bece-91	120	13	,	,	PUNCT
bece-91	120	14	the	the	DET
bece-91	120	15	teaching	teaching	NOUN
bece-91	120	16	design	design	NOUN
bece-91	120	17	of	of	ADP
bece-91	120	18	the	the	DET
bece-91	120	19	stem	stem	NOUN
bece-91	120	20	science	science	NOUN
bece-91	120	21	curriculum	curriculum	NOUN
bece-91	120	22	is	be	AUX
bece-91	120	23	as	as	SCONJ
bece-91	120	24	follows	follow	VERB
bece-91	120	25	.	.	PUNCT
bece-91	121	1	(	(	PUNCT
bece-91	121	2	i	i	NOUN
bece-91	121	3	)	)	PUNCT
bece-91	121	4	multidisciplinary	multidisciplinary	PROPN
bece-91	121	5	qiao	qiao	PROPN
bece-91	121	6	&	&	CCONJ
bece-91	121	7	zhou	zhou	PROPN
bece-91	121	8	.	.	PUNCT
bece-91	122	1	integration	integration	NOUN
bece-91	122	2	of	of	ADP
bece-91	122	3	stem	stem	NOUN
bece-91	122	4	into	into	ADP
bece-91	122	5	rural	rural	ADJ
bece-91	122	6	elementary	elementary	ADJ
bece-91	122	7	curriculum	curriculum	NOUN
bece-91	122	8	in	in	ADP
bece-91	122	9	china	china	PROPN
bece-91	122	10	vol.5	vol.5	PROPN
bece-91	122	11	,	,	PUNCT
bece-91	122	12	no	no	INTJ
bece-91	122	13	.	.	NOUN
bece-91	122	14	1	1	NUM
bece-91	122	15	,	,	PUNCT
bece-91	122	16	2020	2020	NUM
bece-91	122	17	588	588	NUM
bece-91	122	18	table	table	NOUN
bece-91	122	19	2	2	NUM
bece-91	122	20	:	:	PUNCT
bece-91	122	21	independent	independent	ADJ
bece-91	122	22	sample	sample	NOUN
bece-91	122	23	t	t	PROPN
bece-91	122	24	test	test	NOUN
bece-91	122	25	of	of	ADP
bece-91	122	26	the	the	DET
bece-91	122	27	pre	pre	ADJ
bece-91	122	28	-	-	ADJ
bece-91	122	29	experiment	experiment	ADJ
bece-91	122	30	data	datum	NOUN
bece-91	122	31	.	.	PUNCT
bece-91	123	1	control	control	PROPN
bece-91	123	2	group	group	PROPN
bece-91	123	3	experimental	experimental	PROPN
bece-91	123	4	group	group	PROPN
bece-91	123	5	t	t	PROPN
bece-91	123	6	p	p	PROPN
bece-91	123	7	cohen	cohen	PROPN
bece-91	123	8	’s	’s	PART
bece-91	123	9	d	d	NOUN
bece-91	123	10	overall	overall	ADJ
bece-91	123	11	score	score	NOUN
bece-91	123	12	46.67±22.01	46.67±22.01	NUM
bece-91	123	13	48.03±20.91	48.03±20.91	NOUN
bece-91	123	14	-0.448	-0.448	X
bece-91	123	15	0.449	0.449	NUM
bece-91	123	16	-0.063	-0.063	PUNCT
bece-91	123	17	basic	basic	ADJ
bece-91	123	18	knowledge	knowledge	NOUN
bece-91	123	19	17.79±7.52	17.79±7.52	PROPN
bece-91	123	20	18.06±7.03	18.06±7.03	NUM
bece-91	123	21	-0.262	-0.262	PUNCT
bece-91	123	22	0.220	0.220	NUM
bece-91	123	23	-0.037	-0.037	PUNCT
bece-91	123	24	ability	ability	NOUN
bece-91	123	25	development	development	NOUN
bece-91	123	26	28.90±17.36	28.90±17.36	NOUN
bece-91	123	27	29.96±15.42	29.96±15.42	NUM
bece-91	123	28	-0.457	-0.457	PUNCT
bece-91	123	29	0.087	0.087	NUM
bece-91	123	30	-0.065	-0.065	NOUN
bece-91	123	31	note	note	NOUN
bece-91	123	32	:	:	PUNCT
bece-91	123	33	data	datum	NOUN
bece-91	123	34	are	be	AUX
bece-91	123	35	presented	present	VERB
bece-91	123	36	as	as	ADP
bece-91	123	37	mean	mean	NOUN
bece-91	123	38	±	±	NUM
bece-91	123	39	sd	sd	NOUN
bece-91	123	40	,	,	PUNCT
bece-91	123	41	p	p	X
bece-91	123	42	<	<	X
bece-91	123	43	0.05	0.05	NUM
bece-91	123	44	means	mean	VERB
bece-91	123	45	statistically	statistically	ADV
bece-91	123	46	significant	significant	ADJ
bece-91	123	47	.	.	PUNCT
bece-91	124	1	table	table	NOUN
bece-91	124	2	3	3	NUM
bece-91	124	3	:	:	PUNCT
bece-91	124	4	level	level	NOUN
bece-91	124	5	analysis	analysis	NOUN
bece-91	124	6	of	of	ADP
bece-91	124	7	the	the	DET
bece-91	124	8	control	control	NOUN
bece-91	124	9	group	group	NOUN
bece-91	124	10	before	before	ADP
bece-91	124	11	and	and	CCONJ
bece-91	124	12	after	after	ADP
bece-91	124	13	learning	learn	VERB
bece-91	124	14	.	.	PUNCT
bece-91	125	1	pre	pre	ADJ
bece-91	125	2	-	-	ADJ
bece-91	125	3	experiment	experiment	ADJ
bece-91	125	4	post	post	ADJ
bece-91	125	5	-	-	NOUN
bece-91	125	6	experiment	experiment	ADJ
bece-91	125	7	t	t	PROPN
bece-91	125	8	p	p	PROPN
bece-91	125	9	cohen	cohen	PROPN
bece-91	125	10	’s	’s	PART
bece-91	125	11	d	d	NOUN
bece-91	125	12	overall	overall	ADJ
bece-91	125	13	score	score	NOUN
bece-91	125	14	46.67±22.01	46.67±22.01	NUM
bece-91	125	15	61.26±28.09	61.26±28.09	NUM
bece-91	125	16	-4.088	-4.088	NUM
bece-91	125	17	.000	.000	NUM
bece-91	125	18	*	*	PUNCT
bece-91	125	19	*	*	PUNCT
bece-91	125	20	-0.578	-0.578	X
bece-91	125	21	basic	basic	ADJ
bece-91	125	22	knowledge	knowledge	NOUN
bece-91	125	23	17.79±7.52	17.79±7.52	PROPN
bece-91	125	24	23.14±8.27	23.14±8.27	NUM
bece-91	125	25	-4.787	-4.787	NOUN
bece-91	125	26	.000	.000	NUM
bece-91	125	27	*	*	PUNCT
bece-91	125	28	*	*	NOUN
bece-91	125	29	-0.037	-0.037	PUNCT
bece-91	125	30	ability	ability	NOUN
bece-91	125	31	development	development	NOUN
bece-91	125	32	28.90±17.36	28.90±17.36	PROPN
bece-91	125	33	38.12±21.98	38.12±21.98	NUM
bece-91	125	34	-3.292	-3.292	NOUN
bece-91	125	35	.000	.000	NUM
bece-91	125	36	*	*	PUNCT
bece-91	125	37	*	*	PUNCT
bece-91	125	38	-0.466	-0.466	PUNCT
bece-91	125	39	note	note	NOUN
bece-91	125	40	:	:	PUNCT
bece-91	125	41	data	datum	NOUN
bece-91	125	42	are	be	AUX
bece-91	125	43	presented	present	VERB
bece-91	125	44	as	as	ADP
bece-91	125	45	mean	mean	NOUN
bece-91	125	46	±	±	NUM
bece-91	125	47	sd	sd	NOUN
bece-91	125	48	,	,	PUNCT
bece-91	125	49	*	*	PUNCT
bece-91	125	50	*	*	PUNCT
bece-91	125	51	p	p	X
bece-91	125	52	<	<	X
bece-91	125	53	0.01	0.01	NUM
bece-91	125	54	table	table	NOUN
bece-91	125	55	4	4	NUM
bece-91	125	56	:	:	PUNCT
bece-91	125	57	level	level	NOUN
bece-91	125	58	analysis	analysis	NOUN
bece-91	125	59	of	of	ADP
bece-91	125	60	the	the	DET
bece-91	125	61	experimental	experimental	ADJ
bece-91	125	62	group	group	NOUN
bece-91	125	63	before	before	ADP
bece-91	125	64	and	and	CCONJ
bece-91	125	65	after	after	ADP
bece-91	125	66	learning	learn	VERB
bece-91	125	67	.	.	PUNCT
bece-91	126	1	pre	pre	ADJ
bece-91	126	2	-	-	ADJ
bece-91	126	3	experiment	experiment	ADJ
bece-91	126	4	post	post	ADJ
bece-91	126	5	-	-	NOUN
bece-91	126	6	experiment	experiment	ADJ
bece-91	126	7	t	t	PROPN
bece-91	126	8	p	p	PROPN
bece-91	126	9	cohen	cohen	PROPN
bece-91	126	10	’s	’s	PART
bece-91	126	11	d	d	NOUN
bece-91	126	12	overall	overall	ADJ
bece-91	126	13	score	score	NOUN
bece-91	126	14	48.03±20.91	48.03±20.91	PRON
bece-91	126	15	71.19±19.14	71.19±19.14	NUM
bece-91	126	16	-8.170	-8.170	X
bece-91	126	17	.000	.000	NUM
bece-91	126	18	*	*	PUNCT
bece-91	126	19	*	*	PUNCT
bece-91	126	20	-1.155	-1.155	PUNCT
bece-91	126	21	basic	basic	ADJ
bece-91	126	22	knowledge	knowledge	NOUN
bece-91	126	23	18.06±7.03	18.06±7.03	NOUN
bece-91	126	24	29.96±5.83	29.96±5.83	NUM
bece-91	126	25	-12.438	-12.438	NOUN
bece-91	126	26	.000	.000	NUM
bece-91	126	27	*	*	PUNCT
bece-91	126	28	*	*	PUNCT
bece-91	126	29	-1.759	-1.759	NOUN
bece-91	126	30	ability	ability	NOUN
bece-91	126	31	development	development	NOUN
bece-91	126	32	29.96±15.42	29.96±15.42	NUM
bece-91	126	33	45.75±14.58	45.75±14.58	NUM
bece-91	126	34	-7.441	-7.441	NUM
bece-91	126	35	.000	.000	NUM
bece-91	126	36	*	*	PUNCT
bece-91	126	37	*	*	PUNCT
bece-91	126	38	-1.052	-1.052	PUNCT
bece-91	126	39	note	note	NOUN
bece-91	126	40	:	:	PUNCT
bece-91	126	41	data	datum	NOUN
bece-91	126	42	are	be	AUX
bece-91	126	43	presented	present	VERB
bece-91	126	44	as	as	ADP
bece-91	126	45	mean	mean	NOUN
bece-91	126	46	±	±	NUM
bece-91	126	47	sd	sd	NOUN
bece-91	126	48	,	,	PUNCT
bece-91	126	49	*	*	PUNCT
bece-91	126	50	*	*	PUNCT
bece-91	126	51	p	p	X
bece-91	126	52	<	<	X
bece-91	126	53	0.01	0.01	NUM
bece-91	126	54	table	table	NOUN
bece-91	126	55	5	5	NUM
bece-91	126	56	.	.	PUNCT
bece-91	127	1	independent	independent	ADJ
bece-91	127	2	sample	sample	PROPN
bece-91	127	3	t	t	PROPN
bece-91	127	4	test	test	NOUN
bece-91	127	5	of	of	ADP
bece-91	127	6	the	the	DET
bece-91	127	7	post	post	ADJ
bece-91	127	8	-	-	ADJ
bece-91	127	9	experiment	experiment	ADJ
bece-91	127	10	data	datum	NOUN
bece-91	127	11	.	.	PUNCT
bece-91	128	1	control	control	PROPN
bece-91	128	2	group	group	PROPN
bece-91	128	3	experimental	experimental	PROPN
bece-91	128	4	group	group	PROPN
bece-91	128	5	t	t	PROPN
bece-91	128	6	p	p	PROPN
bece-91	128	7	cohen	cohen	PROPN
bece-91	128	8	’s	’s	PART
bece-91	128	9	d	d	X
bece-91	128	10	overall	overall	ADJ
bece-91	128	11	score	score	NOUN
bece-91	128	12	61.26±28.09	61.26±28.09	NUM
bece-91	128	13	71.19±19.14	71.19±19.14	NUM
bece-91	128	14	-2.921	-2.921	ADP
bece-91	128	15	.000	.000	NUM
bece-91	128	16	*	*	PUNCT
bece-91	128	17	*	*	PUNCT
bece-91	128	18	-0.413	-0.413	PUNCT
bece-91	128	19	basic	basic	ADJ
bece-91	128	20	knowledge	knowledge	NOUN
bece-91	128	21	23.14±8.49	23.14±8.49	NUM
bece-91	128	22	29.96±5.83	29.96±5.83	NUM
bece-91	128	23	-6.622	-6.622	PUNCT
bece-91	128	24	.000	.000	NUM
bece-91	128	25	*	*	PUNCT
bece-91	128	26	*	*	PUNCT
bece-91	128	27	-0.937	-0.937	X
bece-91	128	28	ability	ability	NOUN
bece-91	128	29	development	development	NOUN
bece-91	128	30	38.12±21.98	38.12±21.98	NUM
bece-91	128	31	45.75±14.58	45.75±14.58	NUM
bece-91	128	32	-2.893	-2.893	NOUN
bece-91	128	33	.000	.000	NUM
bece-91	128	34	*	*	PUNCT
bece-91	128	35	*	*	NOUN
bece-91	128	36	-0.409	-0.409	PUNCT
bece-91	128	37	note	note	NOUN
bece-91	128	38	:	:	PUNCT
bece-91	128	39	data	datum	NOUN
bece-91	128	40	are	be	AUX
bece-91	128	41	presented	present	VERB
bece-91	128	42	as	as	ADP
bece-91	128	43	mean	mean	NOUN
bece-91	128	44	±	±	NUM
bece-91	128	45	sd	sd	NOUN
bece-91	128	46	,	,	PUNCT
bece-91	128	47	*	*	PUNCT
bece-91	128	48	*	*	PUNCT
bece-91	128	49	p	p	X
bece-91	128	50	<	<	X
bece-91	128	51	0.01	0.01	NUM
bece-91	128	52	.	.	PUNCT
bece-91	129	1	qiao	qiao	PROPN
bece-91	129	2	&	&	CCONJ
bece-91	129	3	zhou	zhou	PROPN
bece-91	129	4	.	.	PUNCT
bece-91	130	1	integration	integration	NOUN
bece-91	130	2	of	of	ADP
bece-91	130	3	stem	stem	NOUN
bece-91	130	4	into	into	ADP
bece-91	130	5	rural	rural	ADJ
bece-91	130	6	elementary	elementary	ADJ
bece-91	130	7	curriculum	curriculum	NOUN
bece-91	130	8	in	in	ADP
bece-91	130	9	china	china	PROPN
bece-91	130	10	vol.5	vol.5	PROPN
bece-91	130	11	,	,	PUNCT
bece-91	130	12	no	no	INTJ
bece-91	130	13	.	.	NOUN
bece-91	130	14	1	1	NUM
bece-91	130	15	,	,	PUNCT
bece-91	130	16	2020	2020	NUM
bece-91	130	17	589	589	NUM
bece-91	130	18	knowledge	knowledge	NOUN
bece-91	130	19	should	should	AUX
bece-91	130	20	be	be	AUX
bece-91	130	21	integrated	integrate	VERB
bece-91	130	22	into	into	ADP
bece-91	130	23	real	real	ADJ
bece-91	130	24	situations	situation	NOUN
bece-91	130	25	that	that	PRON
bece-91	130	26	are	be	AUX
bece-91	130	27	interesting	interesting	ADJ
bece-91	130	28	and	and	CCONJ
bece-91	130	29	closely	closely	ADV
bece-91	130	30	related	relate	VERB
bece-91	130	31	to	to	ADP
bece-91	130	32	life	life	NOUN
bece-91	130	33	.	.	PUNCT
bece-91	131	1	students	student	NOUN
bece-91	131	2	use	use	VERB
bece-91	131	3	brains	brain	NOUN
bece-91	131	4	,	,	PUNCT
bece-91	131	5	hands	hand	NOUN
bece-91	131	6	,	,	PUNCT
bece-91	131	7	and	and	CCONJ
bece-91	131	8	cooperation	cooperation	NOUN
bece-91	131	9	to	to	PART
bece-91	131	10	improve	improve	VERB
bece-91	131	11	class	class	NOUN
bece-91	131	12	participation	participation	NOUN
bece-91	131	13	,	,	PUNCT
bece-91	131	14	develop	develop	VERB
bece-91	131	15	innovative	innovative	ADJ
bece-91	131	16	thinking	thinking	NOUN
bece-91	131	17	,	,	PUNCT
bece-91	131	18	and	and	CCONJ
bece-91	131	19	improve	improve	VERB
bece-91	131	20	problem	problem	NOUN
bece-91	131	21	-	-	PUNCT
bece-91	131	22	solving	solve	VERB
bece-91	131	23	skills	skill	NOUN
bece-91	131	24	(	(	PUNCT
bece-91	131	25	sun	sun	NOUN
bece-91	131	26	,	,	PUNCT
bece-91	131	27	2018	2018	NUM
bece-91	131	28	)	)	PUNCT
bece-91	131	29	.	.	PUNCT
bece-91	132	1	(	(	PUNCT
bece-91	132	2	ii	ii	NOUN
bece-91	132	3	)	)	PUNCT
bece-91	132	4	by	by	ADP
bece-91	132	5	providing	provide	VERB
bece-91	132	6	rich	rich	ADJ
bece-91	132	7	perceptual	perceptual	ADJ
bece-91	132	8	knowledge	knowledge	NOUN
bece-91	132	9	,	,	PUNCT
bece-91	132	10	students	student	NOUN
bece-91	132	11	are	be	AUX
bece-91	132	12	stimulated	stimulate	VERB
bece-91	132	13	to	to	PART
bece-91	132	14	create	create	VERB
bece-91	132	15	“	"	PUNCT
bece-91	132	16	confusion	confusion	NOUN
bece-91	132	17	,	,	PUNCT
bece-91	132	18	”	"	PUNCT
bece-91	132	19	find	find	VERB
bece-91	132	20	new	new	ADJ
bece-91	132	21	explanations	explanation	NOUN
bece-91	132	22	,	,	PUNCT
bece-91	132	23	form	form	VERB
bece-91	132	24	new	new	ADJ
bece-91	132	25	concepts	concept	NOUN
bece-91	132	26	,	,	PUNCT
bece-91	132	27	and	and	CCONJ
bece-91	132	28	this	this	PRON
bece-91	132	29	promotes	promote	VERB
bece-91	132	30	students	student	NOUN
bece-91	132	31	to	to	PART
bece-91	132	32	change	change	VERB
bece-91	132	33	from	from	ADP
bece-91	132	34	original	original	ADJ
bece-91	132	35	concepts	concept	NOUN
bece-91	132	36	to	to	ADP
bece-91	132	37	scientific	scientific	ADJ
bece-91	132	38	concepts	concept	NOUN
bece-91	132	39	(	(	PUNCT
bece-91	132	40	lin	lin	PROPN
bece-91	132	41	,	,	PUNCT
bece-91	132	42	2014	2014	NUM
bece-91	132	43	)	)	PUNCT
bece-91	132	44	.	.	PUNCT
bece-91	133	1	(	(	PUNCT
bece-91	133	2	iii	iii	X
bece-91	133	3	)	)	PUNCT
bece-91	133	4	through	through	ADP
bece-91	133	5	the	the	DET
bece-91	133	6	experience	experience	NOUN
bece-91	133	7	of	of	ADP
bece-91	133	8	stem	stem	NOUN
bece-91	133	9	science	science	NOUN
bece-91	133	10	courses	course	NOUN
bece-91	133	11	,	,	PUNCT
bece-91	133	12	students	student	NOUN
bece-91	133	13	’	'	PUNCT
bece-91	133	14	internal	internal	ADJ
bece-91	133	15	motivation	motivation	NOUN
bece-91	133	16	is	be	AUX
bece-91	133	17	stimulated	stimulate	VERB
bece-91	133	18	,	,	PUNCT
bece-91	133	19	scientific	scientific	ADJ
bece-91	133	20	knowledge	knowledge	NOUN
bece-91	133	21	is	be	AUX
bece-91	133	22	accurately	accurately	ADV
bece-91	133	23	understood	understand	VERB
bece-91	133	24	,	,	PUNCT
bece-91	133	25	advanced	advanced	ADJ
bece-91	133	26	thinking	thinking	NOUN
bece-91	133	27	is	be	AUX
bece-91	133	28	developed	develop	VERB
bece-91	133	29	,	,	PUNCT
bece-91	133	30	and	and	CCONJ
bece-91	133	31	their	their	PRON
bece-91	133	32	ability	ability	NOUN
bece-91	133	33	to	to	PART
bece-91	133	34	solve	solve	VERB
bece-91	133	35	problems	problem	NOUN
bece-91	133	36	is	be	AUX
bece-91	133	37	improved	improve	VERB
bece-91	133	38	(	(	PUNCT
bece-91	133	39	chen	chen	PROPN
bece-91	133	40	,	,	PUNCT
bece-91	133	41	2019	2019	NUM
bece-91	133	42	)	)	PUNCT
bece-91	133	43	.	.	PUNCT
bece-91	134	1	stem	stem	NOUN
bece-91	134	2	education	education	NOUN
bece-91	134	3	has	have	AUX
bece-91	134	4	become	become	VERB
bece-91	134	5	a	a	DET
bece-91	134	6	hot	hot	ADJ
bece-91	134	7	topic	topic	NOUN
bece-91	134	8	of	of	ADP
bece-91	134	9	common	common	ADJ
bece-91	134	10	concern	concern	NOUN
bece-91	134	11	in	in	ADP
bece-91	134	12	current	current	ADJ
bece-91	134	13	international	international	ADJ
bece-91	134	14	education	education	NOUN
bece-91	134	15	research	research	NOUN
bece-91	134	16	and	and	CCONJ
bece-91	134	17	reform	reform	NOUN
bece-91	134	18	,	,	PUNCT
bece-91	134	19	providing	provide	VERB
bece-91	134	20	innovative	innovative	ADJ
bece-91	134	21	ideas	idea	NOUN
bece-91	134	22	for	for	ADP
bece-91	134	23	the	the	DET
bece-91	134	24	new	new	ADJ
bece-91	134	25	round	round	NOUN
bece-91	134	26	of	of	ADP
bece-91	134	27	basic	basic	ADJ
bece-91	134	28	education	education	NOUN
bece-91	134	29	science	science	NOUN
bece-91	134	30	curriculum	curriculum	NOUN
bece-91	134	31	reform	reform	NOUN
bece-91	134	32	in	in	ADP
bece-91	134	33	china	china	PROPN
bece-91	134	34	.	.	PUNCT
bece-91	135	1	the	the	DET
bece-91	135	2	elementary	elementary	ADJ
bece-91	135	3	school	school	NOUN
bece-91	135	4	stage	stage	NOUN
bece-91	135	5	is	be	AUX
bece-91	135	6	a	a	DET
bece-91	135	7	critical	critical	ADJ
bece-91	135	8	period	period	NOUN
bece-91	135	9	for	for	ADP
bece-91	135	10	children	child	NOUN
bece-91	135	11	’s	’s	PART
bece-91	135	12	knowledge	knowledge	NOUN
bece-91	135	13	and	and	CCONJ
bece-91	135	14	ability	ability	NOUN
bece-91	135	15	expansion	expansion	NOUN
bece-91	135	16	.	.	PUNCT
bece-91	136	1	at	at	ADP
bece-91	136	2	this	this	DET
bece-91	136	3	stage	stage	NOUN
bece-91	136	4	,	,	PUNCT
bece-91	136	5	students	student	NOUN
bece-91	136	6	have	have	AUX
bece-91	136	7	not	not	PART
bece-91	136	8	yet	yet	ADV
bece-91	136	9	fully	fully	ADV
bece-91	136	10	formed	form	VERB
bece-91	136	11	their	their	PRON
bece-91	136	12	own	own	ADJ
bece-91	136	13	ways	way	NOUN
bece-91	136	14	of	of	ADP
bece-91	136	15	thinking	thinking	NOUN
bece-91	136	16	and	and	CCONJ
bece-91	136	17	problem	problem	NOUN
bece-91	136	18	-	-	PUNCT
bece-91	136	19	solving	solving	NOUN
bece-91	136	20	,	,	PUNCT
bece-91	136	21	and	and	CCONJ
bece-91	136	22	thus	thus	ADV
bece-91	136	23	this	this	PRON
bece-91	136	24	is	be	AUX
bece-91	136	25	the	the	DET
bece-91	136	26	best	good	ADJ
bece-91	136	27	period	period	NOUN
bece-91	136	28	to	to	PART
bece-91	136	29	cultivate	cultivate	VERB
bece-91	136	30	innovative	innovative	ADJ
bece-91	136	31	ability	ability	NOUN
bece-91	136	32	(	(	PUNCT
bece-91	136	33	long	long	ADJ
bece-91	136	34	&	&	CCONJ
bece-91	136	35	zhao	zhao	NOUN
bece-91	136	36	,	,	PUNCT
bece-91	136	37	2015	2015	NUM
bece-91	136	38	)	)	PUNCT
bece-91	136	39	.	.	PUNCT
bece-91	137	1	an	an	DET
bece-91	137	2	increasing	increase	VERB
bece-91	137	3	number	number	NOUN
bece-91	137	4	of	of	ADP
bece-91	137	5	empirical	empirical	ADJ
bece-91	137	6	studies	study	NOUN
bece-91	137	7	suggest	suggest	VERB
bece-91	137	8	that	that	SCONJ
bece-91	137	9	children	child	NOUN
bece-91	137	10	’s	’s	PART
bece-91	137	11	scientific	scientific	ADJ
bece-91	137	12	interests	interest	NOUN
bece-91	137	13	are	be	AUX
bece-91	137	14	formed	form	VERB
bece-91	137	15	before	before	ADP
bece-91	137	16	the	the	DET
bece-91	137	17	age	age	NOUN
bece-91	137	18	of	of	ADP
bece-91	137	19	14	14	NUM
bece-91	137	20	years	year	NOUN
bece-91	137	21	(	(	PUNCT
bece-91	137	22	tai	tai	X
bece-91	137	23	et	et	PROPN
bece-91	137	24	al	al	PROPN
bece-91	137	25	.	.	PROPN
bece-91	137	26	,	,	PUNCT
bece-91	137	27	2006	2006	NUM
bece-91	137	28	)	)	PUNCT
bece-91	137	29	.	.	PUNCT
bece-91	138	1	rural	rural	ADJ
bece-91	138	2	areas	area	NOUN
bece-91	138	3	in	in	ADP
bece-91	138	4	china	china	PROPN
bece-91	138	5	can	can	AUX
bece-91	138	6	combine	combine	VERB
bece-91	138	7	their	their	PRON
bece-91	138	8	own	own	ADJ
bece-91	138	9	characteristics	characteristic	NOUN
bece-91	138	10	with	with	ADP
bece-91	138	11	the	the	DET
bece-91	138	12	existing	exist	VERB
bece-91	138	13	practices	practice	NOUN
bece-91	138	14	of	of	ADP
bece-91	138	15	related	related	ADJ
bece-91	138	16	cities	city	NOUN
bece-91	138	17	in	in	ADP
bece-91	138	18	china	china	PROPN
bece-91	138	19	and	and	CCONJ
bece-91	138	20	advanced	advanced	ADJ
bece-91	138	21	foreign	foreign	ADJ
bece-91	138	22	experience	experience	NOUN
bece-91	138	23	(	(	PUNCT
bece-91	138	24	zhu	zhu	PROPN
bece-91	138	25	&	&	CCONJ
bece-91	138	26	lei	lei	PROPN
bece-91	138	27	,	,	PUNCT
bece-91	138	28	2018	2018	NUM
bece-91	138	29	)	)	PUNCT
bece-91	138	30	to	to	PART
bece-91	138	31	actively	actively	ADV
bece-91	138	32	promote	promote	VERB
bece-91	138	33	the	the	DET
bece-91	138	34	exploration	exploration	NOUN
bece-91	138	35	of	of	ADP
bece-91	138	36	stem	stem	NOUN
bece-91	138	37	education	education	NOUN
bece-91	138	38	,	,	PUNCT
bece-91	138	39	carry	carry	VERB
bece-91	138	40	out	out	ADP
bece-91	138	41	stem	stem	NOUN
bece-91	138	42	education	education	NOUN
bece-91	138	43	actions	action	NOUN
bece-91	138	44	,	,	PUNCT
bece-91	138	45	and	and	CCONJ
bece-91	138	46	improve	improve	VERB
bece-91	138	47	the	the	DET
bece-91	138	48	ecology	ecology	NOUN
bece-91	138	49	of	of	ADP
bece-91	138	50	stem	stem	NOUN
bece-91	138	51	education	education	NOUN
bece-91	138	52	construction	construction	NOUN
bece-91	138	53	.	.	PUNCT
bece-91	139	1	this	this	PRON
bece-91	139	2	requires	require	VERB
bece-91	139	3	gathering	gather	VERB
bece-91	139	4	all	all	DET
bece-91	139	5	social	social	ADJ
bece-91	139	6	forces	force	NOUN
bece-91	139	7	,	,	PUNCT
bece-91	139	8	including	include	VERB
bece-91	139	9	schools	school	NOUN
bece-91	139	10	,	,	PUNCT
bece-91	139	11	libraries	library	NOUN
bece-91	139	12	,	,	PUNCT
bece-91	139	13	science	science	NOUN
bece-91	139	14	centers	center	NOUN
bece-91	139	15	and	and	CCONJ
bece-91	139	16	museums	museum	NOUN
bece-91	139	17	,	,	PUNCT
bece-91	139	18	extracurricular	extracurricular	ADJ
bece-91	139	19	tutoring	tutoring	NOUN
bece-91	139	20	institutions	institution	NOUN
bece-91	139	21	,	,	PUNCT
bece-91	139	22	enterprises	enterprise	NOUN
bece-91	139	23	,	,	PUNCT
bece-91	139	24	higher	high	ADJ
bece-91	139	25	education	education	NOUN
bece-91	139	26	institutions	institution	NOUN
bece-91	139	27	,	,	PUNCT
bece-91	139	28	communities	community	NOUN
bece-91	139	29	,	,	PUNCT
bece-91	139	30	and	and	CCONJ
bece-91	139	31	families	family	NOUN
bece-91	139	32	,	,	PUNCT
bece-91	139	33	etc	etc	X
bece-91	139	34	.	.	X
bece-91	140	1	(	(	PUNCT
bece-91	140	2	chen	chen	PROPN
bece-91	140	3	et	et	PROPN
bece-91	140	4	al	al	PROPN
bece-91	140	5	.	.	PROPN
bece-91	140	6	,	,	PUNCT
bece-91	140	7	2019	2019	NUM
bece-91	140	8	)	)	PUNCT
bece-91	140	9	.	.	PUNCT
bece-91	141	1	how	how	SCONJ
bece-91	141	2	to	to	PART
bece-91	141	3	cite	cite	VERB
bece-91	141	4	:	:	PUNCT
bece-91	141	5	qiao	qiao	NOUN
bece-91	141	6	,	,	PUNCT
bece-91	141	7	x.	x.	PROPN
bece-91	141	8	,	,	PUNCT
bece-91	141	9	zhou	zhou	PROPN
bece-91	141	10	,	,	PUNCT
bece-91	141	11	x.	x.	NOUN
bece-91	141	12	(	(	PUNCT
bece-91	141	13	2020	2020	NUM
bece-91	141	14	)	)	PUNCT
bece-91	141	15	research	research	NOUN
bece-91	141	16	on	on	ADP
bece-91	141	17	the	the	DET
bece-91	141	18	integration	integration	NOUN
bece-91	141	19	of	of	ADP
bece-91	141	20	stem	stem	NOUN
bece-91	141	21	education	education	NOUN
bece-91	141	22	into	into	ADP
bece-91	141	23	the	the	DET
bece-91	141	24	rural	rural	ADJ
bece-91	141	25	elementary	elementary	PROPN
bece-91	141	26	school	school	PROPN
bece-91	141	27	science	science	NOUN
bece-91	141	28	curriculum	curriculum	PROPN
bece-91	141	29	:	:	PUNCT
bece-91	141	30	an	an	DET
bece-91	141	31	example	example	NOUN
bece-91	141	32	from	from	ADP
bece-91	141	33	rural	rural	ADJ
bece-91	141	34	elementary	elementary	ADJ
bece-91	141	35	schools	school	NOUN
bece-91	141	36	in	in	ADP
bece-91	141	37	western	western	ADJ
bece-91	141	38	china	china	PROPN
bece-91	141	39	.	.	PUNCT
bece-91	142	1	best	good	ADJ
bece-91	142	2	evid	evid	PROPN
bece-91	142	3	chin	chin	PROPN
bece-91	142	4	edu	edu	PROPN
bece-91	142	5	,	,	PUNCT
bece-91	142	6	5(1):581	5(1):581	NUM
bece-91	142	7	-	-	SYM
bece-91	142	8	590	590	NUM
bece-91	142	9	.	.	PUNCT
bece-91	143	1	doi	doi	NOUN
bece-91	143	2	:	:	PUNCT
bece-91	143	3	10.15354	10.15354	NUM
bece-91	143	4	/	/	SYM
bece-91	143	5	bece.20.ar034	bece.20.ar034	NOUN
bece-91	143	6	.	.	PUNCT
bece-91	144	1	references	reference	NOUN
bece-91	144	2	capraro	capraro	PROPN
bece-91	144	3	,	,	PUNCT
bece-91	144	4	r.m	r.m	PROPN
bece-91	144	5	.	.	PROPN
bece-91	144	6	,	,	PUNCT
bece-91	144	7	capraro	capraro	PROPN
bece-91	144	8	,	,	PUNCT
bece-91	144	9	m.m	m.m	PROPN
bece-91	144	10	.	.	PROPN
bece-91	144	11	,	,	PUNCT
bece-91	144	12	&	&	CCONJ
bece-91	144	13	morgan	morgan	PROPN
bece-91	144	14	,	,	PUNCT
bece-91	144	15	j.r	j.r	PROPN
bece-91	144	16	.	.	PROPN
bece-91	144	17	translated	translate	VERB
bece-91	144	18	by	by	ADP
bece-91	144	19	wang	wang	PROPN
bece-91	144	20	x.	x.	PROPN
bece-91	144	21	(	(	PUNCT
bece-91	144	22	2016	2016	NUM
bece-91	144	23	)	)	PUNCT
bece-91	144	24	project	project	NOUN
bece-91	144	25	-	-	PUNCT
bece-91	144	26	based	base	VERB
bece-91	144	27	stem	stem	NOUN
bece-91	144	28	learning	learning	NOUN
bece-91	144	29	:	:	PUNCT
bece-91	144	30	an	an	DET
bece-91	144	31	integrative	integrative	ADJ
bece-91	144	32	science	science	NOUN
bece-91	144	33	,	,	PUNCT
bece-91	144	34	technology	technology	NOUN
bece-91	144	35	,	,	PUNCT
bece-91	144	36	engineering	engineering	NOUN
bece-91	144	37	and	and	CCONJ
bece-91	144	38	mathematics	mathematic	NOUN
bece-91	144	39	learning	learning	NOUN
bece-91	144	40	methods	method	NOUN
bece-91	144	41	.	.	PUNCT
bece-91	145	1	shanghai	shanghai	PROPN
bece-91	145	2	sci	sci	PROPN
bece-91	145	3	tech	tech	PROPN
bece-91	145	4	edu	edu	PROPN
bece-91	145	5	press	press	PROPN
bece-91	145	6	,	,	PUNCT
bece-91	145	7	(	(	PUNCT
bece-91	145	8	1):iii-6	1):iii-6	NOUN
bece-91	145	9	.	.	PUNCT
bece-91	145	10	chen	chen	PROPN
bece-91	145	11	,	,	PUNCT
bece-91	145	12	l.	l.	PROPN
bece-91	145	13	(	(	PUNCT
bece-91	145	14	2019	2019	NUM
bece-91	145	15	)	)	PUNCT
bece-91	145	16	activity	activity	NOUN
bece-91	145	17	-	-	PUNCT
bece-91	145	18	based	base	VERB
bece-91	145	19	stem	stem	NOUN
bece-91	145	20	classroom	classroom	NOUN
bece-91	145	21	management	management	NOUN
bece-91	145	22	strategy	strategy	NOUN
bece-91	145	23	for	for	ADP
bece-91	145	24	elementary	elementary	PROPN
bece-91	145	25	qiao	qiao	PROPN
bece-91	145	26	&	&	CCONJ
bece-91	145	27	zhou	zhou	PROPN
bece-91	145	28	.	.	PUNCT
bece-91	146	1	integration	integration	NOUN
bece-91	146	2	of	of	ADP
bece-91	146	3	stem	stem	NOUN
bece-91	146	4	into	into	ADP
bece-91	146	5	rural	rural	ADJ
bece-91	146	6	elementary	elementary	ADJ
bece-91	146	7	curriculum	curriculum	NOUN
bece-91	146	8	in	in	ADP
bece-91	146	9	china	china	PROPN
bece-91	146	10	vol.5	vol.5	PROPN
bece-91	146	11	,	,	PUNCT
bece-91	146	12	no	no	INTJ
bece-91	146	13	.	.	NOUN
bece-91	146	14	1	1	NUM
bece-91	146	15	,	,	PUNCT
bece-91	146	16	2020	2020	NUM
bece-91	146	17	590	590	NUM
bece-91	146	18	schools	school	NOUN
bece-91	146	19	.	.	PUNCT
bece-91	147	1	shanghai	shanghai	PROPN
bece-91	147	2	edu	edu	PROPN
bece-91	147	3	eval	eval	PROPN
bece-91	147	4	res	res	PROPN
bece-91	147	5	,	,	PUNCT
bece-91	147	6	(	(	PUNCT
bece-91	147	7	02):45	02):45	PROPN
bece-91	147	8	-	-	SYM
bece-91	147	9	48	48	NUM
bece-91	147	10	+	+	NUM
bece-91	147	11	70	70	NUM
bece-91	147	12	.	.	PUNCT
bece-91	148	1	chen	chen	PROPN
bece-91	148	2	,	,	PUNCT
bece-91	148	3	p.	p.	PROPN
bece-91	148	4	,	,	PUNCT
bece-91	148	5	tian	tian	PROPN
bece-91	148	6	,	,	PUNCT
bece-91	148	7	y.	y.	PROPN
bece-91	148	8	,	,	PUNCT
bece-91	148	9	&	&	CCONJ
bece-91	148	10	liu	liu	PROPN
bece-91	148	11	w.	w.	PROPN
bece-91	148	12	(	(	PUNCT
bece-91	148	13	2019	2019	NUM
bece-91	148	14	)	)	PUNCT
bece-91	148	15	polaris	polaris	PROPN
bece-91	148	16	project	project	NOUN
bece-91	148	17	:	:	PUNCT
bece-91	148	18	global	global	ADJ
bece-91	148	19	innovation	innovation	NOUN
bece-91	148	20	talent	talent	NOUN
bece-91	148	21	cultivation	cultivation	NOUN
bece-91	148	22	with	with	ADP
bece-91	148	23	stem	stem	NOUN
bece-91	148	24	education	education	NOUN
bece-91	148	25	as	as	ADP
bece-91	148	26	the	the	DET
bece-91	148	27	core	core	NOUN
bece-91	148	28	–	–	PUNCT
bece-91	148	29	analysis	analysis	NOUN
bece-91	148	30	of	of	ADP
bece-91	148	31	“	"	PUNCT
bece-91	148	32	developing	develop	VERB
bece-91	148	33	a	a	DET
bece-91	148	34	successful	successful	ADJ
bece-91	148	35	route	route	NOUN
bece-91	148	36	:	:	PUNCT
bece-91	148	37	american	american	ADJ
bece-91	148	38	stem	stem	NOUN
bece-91	148	39	education	education	NOUN
bece-91	148	40	strategy	strategy	NOUN
bece-91	148	41	”	"	PUNCT
bece-91	148	42	(	(	PUNCT
bece-91	148	43	2019	2019	NUM
bece-91	148	44	-	-	SYM
bece-91	148	45	2023	2023	NUM
bece-91	148	46	)	)	PUNCT
bece-91	148	47	.	.	PUNCT
bece-91	149	1	dist	dist	PROPN
bece-91	149	2	edu	edu	PROPN
bece-91	149	3	j	j	PROPN
bece-91	149	4	,	,	PUNCT
bece-91	149	5	37(2	37(2	PRON
bece-91	149	6	):	):	PUNCT
bece-91	149	7	3	3	NUM
bece-91	149	8	-	-	SYM
bece-91	149	9	14	14	NUM
bece-91	149	10	.	.	PUNCT
bece-91	150	1	chinese	chinese	PROPN
bece-91	150	2	academy	academy	PROPN
bece-91	150	3	of	of	ADP
bece-91	150	4	educational	educational	ADJ
bece-91	150	5	sciences	science	NOUN
bece-91	150	6	.	.	PUNCT
bece-91	151	1	(	(	PUNCT
bece-91	151	2	2017	2017	NUM
bece-91	151	3	)	)	PUNCT
bece-91	151	4	china	china	PROPN
bece-91	151	5	stem	stem	VERB
bece-91	151	6	education	education	NOUN
bece-91	151	7	self	self	NOUN
bece-91	151	8	-	-	PUNCT
bece-91	151	9	book	book	NOUN
bece-91	151	10	(	(	PUNCT
bece-91	151	11	essential	essential	ADJ
bece-91	151	12	edition	edition	NOUN
bece-91	151	13	)	)	PUNCT
bece-91	151	14	.	.	PUNCT
bece-91	152	1	beijing	beijing	PROPN
bece-91	152	2	:	:	PUNCT
bece-91	153	1	chinese	chinese	PROPN
bece-91	153	2	academy	academy	PROPN
bece-91	153	3	of	of	ADP
bece-91	153	4	educational	educational	ADJ
bece-91	153	5	sciences	science	NOUN
bece-91	153	6	.	.	PUNCT
bece-91	154	1	du	du	PROPN
bece-91	154	2	,	,	PUNCT
bece-91	154	3	w.	w.	PROPN
bece-91	154	4	(	(	PUNCT
bece-91	154	5	2018	2018	NUM
bece-91	154	6	)	)	PUNCT
bece-91	154	7	analysis	analysis	NOUN
bece-91	154	8	of	of	ADP
bece-91	154	9	hot	hot	ADJ
bece-91	154	10	topics	topic	NOUN
bece-91	154	11	and	and	CCONJ
bece-91	154	12	characteristics	characteristic	NOUN
bece-91	154	13	of	of	ADP
bece-91	154	14	foreign	foreign	ADJ
bece-91	154	15	stem	stem	NOUN
bece-91	154	16	education	education	NOUN
bece-91	154	17	research	research	NOUN
bece-91	154	18	.	.	PUNCT
bece-91	155	1	audiovis	audiovis	VERB
bece-91	155	2	edu	edu	PROPN
bece-91	155	3	res	re	NOUN
bece-91	155	4	,	,	PUNCT
bece-91	155	5	39	39	NUM
bece-91	155	6	(	(	PUNCT
bece-91	155	7	11):120	11):120	NUM
bece-91	155	8	-	-	SYM
bece-91	155	9	128	128	NUM
bece-91	155	10	.	.	PUNCT
bece-91	156	1	fu	fu	PROPN
bece-91	156	2	,	,	PUNCT
bece-91	156	3	q.	q.	PROPN
bece-91	156	4	,	,	PUNCT
bece-91	156	5	liu	liu	PROPN
bece-91	156	6	,	,	PUNCT
bece-91	156	7	p.	p.	NOUN
bece-91	156	8	(	(	PUNCT
bece-91	156	9	2016	2016	NUM
bece-91	156	10	)	)	PUNCT
bece-91	156	11	from	from	ADP
bece-91	156	12	verification	verification	NOUN
bece-91	156	13	to	to	ADP
bece-91	156	14	creation	creation	NOUN
bece-91	156	15	study	study	NOUN
bece-91	156	16	on	on	ADP
bece-91	156	17	the	the	DET
bece-91	156	18	application	application	NOUN
bece-91	156	19	model	model	NOUN
bece-91	156	20	of	of	ADP
bece-91	156	21	stem	stem	NOUN
bece-91	156	22	education	education	NOUN
bece-91	156	23	in	in	ADP
bece-91	156	24	elementary	elementary	ADJ
bece-91	156	25	and	and	CCONJ
bece-91	156	26	secondary	secondary	ADJ
bece-91	156	27	schools	school	NOUN
bece-91	156	28	.	.	PUNCT
bece-91	157	1	chin	chin	PROPN
bece-91	157	2	audiovis	audiovis	PROPN
bece-91	157	3	edu	edu	PROPN
bece-91	157	4	,	,	PUNCT
bece-91	157	5	(	(	PUNCT
bece-91	157	6	04):71	04):71	NOUN
bece-91	157	7	-	-	SYM
bece-91	157	8	78	78	NUM
bece-91	157	9	+	+	NUM
bece-91	157	10	105	105	NUM
bece-91	157	11	.	.	PUNCT
bece-91	158	1	li	li	PROPN
bece-91	158	2	,	,	PUNCT
bece-91	158	3	y.	y.	PROPN
bece-91	158	4	,	,	PUNCT
bece-91	158	5	wang	wang	PROPN
bece-91	158	6	,	,	PUNCT
bece-91	158	7	k.	k.	PROPN
bece-91	158	8	,	,	PUNCT
bece-91	158	9	&	&	CCONJ
bece-91	158	10	xiao	xiao	PROPN
bece-91	158	11	,	,	PUNCT
bece-91	158	12	y.	y.	PROPN
bece-91	158	13	(	(	PUNCT
bece-91	158	14	2019	2019	NUM
bece-91	158	15	)	)	PUNCT
bece-91	158	16	the	the	DET
bece-91	158	17	current	current	ADJ
bece-91	158	18	status	status	NOUN
bece-91	158	19	and	and	CCONJ
bece-91	158	20	development	development	NOUN
bece-91	158	21	trend	trend	NOUN
bece-91	158	22	of	of	ADP
bece-91	158	23	stem	stem	NOUN
bece-91	158	24	education	education	NOUN
bece-91	158	25	research	research	NOUN
bece-91	158	26	:	:	PUNCT
bece-91	158	27	a	a	DET
bece-91	158	28	review	review	NOUN
bece-91	158	29	of	of	ADP
bece-91	158	30	papers	paper	NOUN
bece-91	158	31	published	publish	VERB
bece-91	158	32	in	in	ADP
bece-91	158	33	journals	journal	NOUN
bece-91	158	34	from	from	ADP
bece-91	158	35	2000	2000	NUM
bece-91	158	36	to	to	ADP
bece-91	158	37	2018	2018	NUM
bece-91	158	38	.	.	PUNCT
bece-91	159	1	j	j	PROPN
bece-91	159	2	math	math	PROPN
bece-91	159	3	edu	edu	PROPN
bece-91	159	4	,	,	PUNCT
bece-91	159	5	28	28	NUM
bece-91	159	6	(	(	PUNCT
bece-91	159	7	03):45	03):45	NUM
bece-91	159	8	-	-	SYM
bece-91	159	9	52	52	NUM
bece-91	159	10	.	.	PUNCT
bece-91	160	1	lin	lin	PROPN
bece-91	160	2	,	,	PUNCT
bece-91	160	3	z.	z.	PROPN
bece-91	160	4	(	(	PUNCT
bece-91	160	5	2014	2014	NUM
bece-91	160	6	)	)	PUNCT
bece-91	160	7	analysis	analysis	NOUN
bece-91	160	8	and	and	CCONJ
bece-91	160	9	application	application	NOUN
bece-91	160	10	of	of	ADP
bece-91	160	11	prescience	prescience	NOUN
bece-91	160	12	concepts	concept	NOUN
bece-91	160	13	.	.	PUNCT
bece-91	161	1	edu	edu	PROPN
bece-91	161	2	,	,	PUNCT
bece-91	161	3	(	(	PUNCT
bece-91	161	4	12):50	12):50	NUM
bece-91	161	5	-	-	SYM
bece-91	161	6	50	50	NUM
bece-91	161	7	.	.	PUNCT
bece-91	162	1	long	long	ADV
bece-91	162	2	,	,	PUNCT
bece-91	162	3	m.	m.	NOUN
bece-91	162	4	,	,	PUNCT
bece-91	162	5	zhao	zhao	PROPN
bece-91	162	6	,	,	PUNCT
bece-91	162	7	z.	z.	PROPN
bece-91	162	8	(	(	PUNCT
bece-91	162	9	2015	2015	NUM
bece-91	162	10	)	)	PUNCT
bece-91	162	11	american	american	ADJ
bece-91	162	12	national	national	ADJ
bece-91	162	13	competitiveness	competitiveness	NOUN
bece-91	162	14	:	:	PUNCT
bece-91	162	15	contribution	contribution	NOUN
bece-91	162	16	of	of	ADP
bece-91	162	17	stem	stem	NOUN
bece-91	162	18	education	education	NOUN
bece-91	162	19	.	.	PUNCT
bece-91	163	1	modern	modern	PROPN
bece-91	163	2	univ	univ	PROPN
bece-91	163	3	edu	edu	PROPN
bece-91	163	4	,	,	PUNCT
bece-91	163	5	(	(	PUNCT
bece-91	163	6	02	02	NUM
bece-91	163	7	):	):	PUNCT
bece-91	163	8	41	41	NUM
bece-91	163	9	-	-	SYM
bece-91	163	10	49	49	NUM
bece-91	163	11	+	+	CCONJ
bece-91	163	12	112	112	NUM
bece-91	163	13	.	.	PUNCT
bece-91	164	1	sun	sun	NOUN
bece-91	164	2	,	,	PUNCT
bece-91	164	3	y.	y.	PROPN
bece-91	164	4	(	(	PUNCT
bece-91	164	5	2018	2018	NUM
bece-91	164	6	)	)	PUNCT
bece-91	164	7	integration	integration	NOUN
bece-91	164	8	of	of	ADP
bece-91	164	9	stem	stem	NOUN
bece-91	164	10	education	education	NOUN
bece-91	164	11	in	in	ADP
bece-91	164	12	elementary	elementary	ADJ
bece-91	164	13	school	school	PROPN
bece-91	164	14	science	science	NOUN
bece-91	164	15	curriculum	curriculum	PROPN
bece-91	164	16	.	.	PUNCT
bece-91	165	1	edu	edu	PROPN
bece-91	165	2	sci	sci	PROPN
bece-91	165	3	forum	forum	PROPN
bece-91	165	4	,	,	PUNCT
bece-91	165	5	446	446	NUM
bece-91	165	6	(	(	PUNCT
bece-91	165	7	32):45	32):45	NUM
bece-91	165	8	-	-	SYM
bece-91	165	9	48	48	NUM
bece-91	165	10	.	.	PUNCT
bece-91	166	1	tai	tai	PROPN
bece-91	166	2	,	,	PUNCT
bece-91	166	3	r.h	r.h	PROPN
bece-91	166	4	.	.	PROPN
bece-91	166	5	,	,	PUNCT
bece-91	166	6	liu	liu	PROPN
bece-91	166	7	,	,	PUNCT
bece-91	166	8	c.q	c.q	PROPN
bece-91	166	9	.	.	PROPN
bece-91	166	10	,	,	PUNCT
bece-91	166	11	maltese	maltese	PROPN
bece-91	166	12	,	,	PUNCT
bece-91	166	13	a.	a.	NOUN
bece-91	166	14	v.	v.	PROPN
bece-91	166	15	,	,	PUNCT
bece-91	166	16	&	&	CCONJ
bece-91	166	17	fan	fan	PROPN
bece-91	166	18	,	,	PUNCT
bece-91	166	19	x.	x.	NOUN
bece-91	166	20	(	(	PUNCT
bece-91	166	21	2006	2006	NUM
bece-91	166	22	)	)	PUNCT
bece-91	166	23	planning	planning	NOUN
bece-91	166	24	,	,	PUNCT
bece-91	166	25	early	early	ADV
bece-91	166	26	for	for	ADP
bece-91	166	27	careers	career	NOUN
bece-91	166	28	in	in	ADP
bece-91	166	29	science	science	NOUN
bece-91	166	30	.	.	PUNCT
bece-91	167	1	science	science	NOUN
bece-91	167	2	,	,	PUNCT
bece-91	167	3	312	312	NUM
bece-91	167	4	(	(	PUNCT
bece-91	167	5	5777	5777	NUM
bece-91	167	6	):	):	PUNCT
bece-91	167	7	1143	1143	NUM
bece-91	167	8	-	-	SYM
bece-91	167	9	1144	1144	NUM
bece-91	167	10	.	.	PUNCT
bece-91	168	1	yu	yu	PROPN
bece-91	168	2	,	,	PUNCT
bece-91	168	3	s.	s.	PROPN
bece-91	168	4	,	,	PUNCT
bece-91	168	5	hu	hu	PROPN
bece-91	168	6	,	,	PUNCT
bece-91	168	7	x.	x.	NOUN
bece-91	168	8	(	(	PUNCT
bece-91	168	9	2015	2015	NUM
bece-91	168	10	)	)	PUNCT
bece-91	168	11	stem	stem	NOUN
bece-91	168	12	education	education	NOUN
bece-91	168	13	concept	concept	NOUN
bece-91	168	14	and	and	CCONJ
bece-91	168	15	interdisciplinary	interdisciplinary	ADJ
bece-91	168	16	integration	integration	NOUN
bece-91	168	17	model	model	NOUN
bece-91	168	18	.	.	PUNCT
bece-91	169	1	open	open	ADJ
bece-91	169	2	edu	edu	PROPN
bece-91	169	3	res	re	NOUN
bece-91	169	4	,	,	PUNCT
bece-91	169	5	21	21	NUM
bece-91	169	6	(	(	PUNCT
bece-91	169	7	04):13	04):13	NUM
bece-91	169	8	-	-	PUNCT
bece-91	169	9	22	22	NUM
bece-91	169	10	.	.	PUNCT
bece-91	170	1	yu	yu	PROPN
bece-91	170	2	,	,	PUNCT
bece-91	170	3	y.	y.	PROPN
bece-91	170	4	(	(	PUNCT
bece-91	170	5	2006	2006	NUM
bece-91	170	6	)	)	PUNCT
bece-91	170	7	national	national	ADJ
bece-91	170	8	investment	investment	NOUN
bece-91	170	9	and	and	CCONJ
bece-91	170	10	educational	educational	ADJ
bece-91	170	11	development	development	NOUN
bece-91	170	12	in	in	ADP
bece-91	170	13	china	china	PROPN
bece-91	170	14	.	.	PUNCT
bece-91	171	1	theor	theor	PROPN
bece-91	171	2	guide	guide	PROPN
bece-91	171	3	,	,	PUNCT
bece-91	171	4	(	(	PUNCT
bece-91	171	5	9):70	9):70	NUM
bece-91	171	6	-	-	SYM
bece-91	171	7	72	72	NUM
bece-91	171	8	.	.	PUNCT
bece-91	172	1	zhang	zhang	PROPN
bece-91	172	2	,	,	PUNCT
bece-91	172	3	m.	m.	NOUN
bece-91	172	4	(	(	PUNCT
bece-91	172	5	2015	2015	NUM
bece-91	172	6	)	)	PUNCT
bece-91	172	7	analysis	analysis	NOUN
bece-91	172	8	of	of	ADP
bece-91	172	9	the	the	DET
bece-91	172	10	characteristics	characteristic	NOUN
bece-91	172	11	and	and	CCONJ
bece-91	172	12	reform	reform	NOUN
bece-91	172	13	suggestions	suggestion	NOUN
bece-91	172	14	of	of	ADP
bece-91	172	15	basic	basic	ADJ
bece-91	172	16	education	education	NOUN
bece-91	172	17	in	in	ADP
bece-91	172	18	china	china	PROPN
bece-91	172	19	.	.	PUNCT
bece-91	173	1	higher	high	ADJ
bece-91	173	2	edu	edu	PROPN
bece-91	173	3	res	res	PROPN
bece-91	173	4	southwest	southwest	PROPN
bece-91	173	5	univ	univ	PROPN
bece-91	173	6	sci	sci	PROPN
bece-91	173	7	tech	tech	PROPN
bece-91	173	8	,	,	PUNCT
bece-91	173	9	(	(	PUNCT
bece-91	173	10	3):27	3):27	NUM
bece-91	173	11	-	-	SYM
bece-91	173	12	29	29	NUM
bece-91	173	13	.	.	PUNCT
bece-91	174	1	zhu	zhu	PROPN
bece-91	174	2	,	,	PUNCT
bece-91	174	3	z.	z.	PROPN
bece-91	174	4	,	,	PUNCT
bece-91	174	5	lei	lei	PROPN
bece-91	174	6	,	,	PUNCT
bece-91	174	7	y.	y.	PROPN
bece-91	174	8	(	(	PUNCT
bece-91	174	9	2018	2018	NUM
bece-91	174	10	)	)	PUNCT
bece-91	174	11	national	national	ADJ
bece-91	174	12	policy	policy	NOUN
bece-91	174	13	analysis	analysis	NOUN
bece-91	174	14	and	and	CCONJ
bece-91	174	15	practice	practice	NOUN
bece-91	174	16	model	model	NOUN
bece-91	174	17	of	of	ADP
bece-91	174	18	stem	stem	NOUN
bece-91	174	19	education	education	NOUN
bece-91	174	20	.	.	PUNCT
bece-91	175	1	audiovis	audiovis	VERB
bece-91	175	2	edu	edu	PROPN
bece-91	175	3	res	re	NOUN
bece-91	175	4	,	,	PUNCT
bece-91	175	5	(	(	PUNCT
bece-91	175	6	1):75	1):75	PROPN
bece-91	175	7	-	-	PUNCT
bece-91	175	8	85	85	NUM
bece-91	175	9	.	.	PUNCT
bece-91	176	1	received	receive	VERB
bece-91	176	2	:	:	PUNCT
bece-91	176	3	16	16	NUM
bece-91	176	4	february	february	NOUN
bece-91	176	5	2020	2020	NUM
bece-91	176	6	revised	revise	VERB
bece-91	176	7	:	:	PUNCT
bece-91	176	8	02	02	NUM
bece-91	176	9	april	april	PROPN
bece-91	176	10	2020	2020	NUM
bece-91	176	11	accepted	accept	VERB
bece-91	176	12	:	:	PUNCT
bece-91	176	13	06	06	NUM
bece-91	176	14	april	april	PROPN
bece-91	176	15	2020	2020	NUM
bece-91	176	16	article	article	NOUN
bece-91	176	17	-	-	PUNCT
bece-91	176	18	xinyizhou	xinyizhou	PROPN
bece-91	176	19	-	-	PUNCT
bece-91	176	20	bece_title_12may2020	bece_title_12may2020	NOUN
bece-91	176	21	article	article	NOUN
bece-91	176	22	-	-	PUNCT
bece-91	176	23	xiyizhou	xiyizhou	PROPN
bece-91	176	24	-	-	PUNCT
bece-91	176	25	bece_maintext12may2020	bece_maintext12may2020	NOUN