digital materials, namely, CD, DVD, flash drive, or online files featuring integrated audio, video, animation, experiments, games, and self-assessment in an inquiry-based framework for elementary and secondary educational content, namely, life science, chemistry, physical science, earth science or catalogs in the field of elementary and secondary education

'anim':15 'assess':21 'audio':13 'base':26 'catalog':43 'cd':4 'chemistri':37 'content':33 'digit':1 'drive':7 'dvd':5 'earth':40 'educ':32,51 'elementari':29,48 'experi':16 'featur':11 'field':46 'file':10 'flash':6 'framework':27 'game':17 'inquiri':25 'inquiry-bas':24 'integr':12 'life':35 'materi':2 'name':3,34 'onlin':9 'physic':38 'scienc':36,39,41 'secondari':31,50 'self':20 'self-assess':19 'video':14

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