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In this chemistry activity, learners use thin layer chromatography to determine the molecular composition of different markers.

This series of chemistry stations is designed to accompany the PBS documentary about African-American chemist "Percy Julian: Forgotten Genius." Each of the six stations features either a chemical or p

Learners design their own experiment to investigate how pollution diffuses through ground material.

As a group, learners investigate three packages which are all the same size and shape, but have different contents. One is filled with foam, one is filled with wood, and one is filled with metal.