id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
edu-279	R., Hanson,; K., Twumasi, A.; C., Aryeetey,; A., Sam,; G., Adukpo,	Secondary School Students’ Conceptual Understanding of Physical and Chemical Changes	2016	9	.pdf	application/pdf	5584	334	51	Students who failed to explain the concept of physical change said that it was a change that was accompanied by physical observations such as the evolution of gas or a kind of scent, instead of stating that physical changes involved change in state or form of matter which did not cause any change in the chemical composition of the combining elements or particles. Keywords: Chemical change, Chemical property, Conceptual change, Physical change, Physical property.	cache/edu-279.pdf	txt/edu-279.txt