id	keyword
ch-6906	science
ch-6906	education
ch-6906	program
ch-6906	school
ch-6906	middle
ch-6906	faculty
ch-6906	collaboration
ch-6906	college
ch-6906	teacher
ch-6906	courses
ch-6906	mathematics
ch-6906	scientists
ch-6906	new
ch-6906	level