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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

In this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.

In this design challenge activity, learners modify a cup so it can carry a marble down a zip line and also drop it onto a target.

In this design challenge activity, learners design and build a solar hot water heater. Their goal is to create a heater that yields the highest temperature change.

In this activity, learners investigate how geometry plays a role in perspective.

This activity is designed to accompany the PBS documentary about African-American chemist "Percy Julian: Forgotten Genius." Learners look through two cups with small holes in them to simulate what it'