id	keyword
american_scientific_journal-4535	science
american_scientific_journal-4535	crt
american_scientific_journal-4535	ngss
american_scientific_journal-4535	education
american_scientific_journal-4535	teachers
american_scientific_journal-4535	students
american_scientific_journal-4535	teaching
american_scientific_journal-4535	journal
american_scientific_journal-4535	study
american_scientific_journal-4535	learning
american_scientific_journal-4535	scientific
american_scientific_journal-4535	research
american_scientific_journal-4535	school
american_scientific_journal-4535	authors
american_scientific_journal-4535	use