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In this chemistry challenge, learners discover that many chemical reactions involve heat loss or gain.

The Let's Do Chemistry "Build a Battery" activity lets participants learn how batteries work and how materials behave, change, and interact by building their own simple battery out of metal and felt w

In this activity, learners create a large film of soap and experiment with what can and cannot pass through it.

"Molecules in Motion" explores how materials behave and change in a vacuum.

Learners place their hands on different metals and use an ammeter to monitor the flow of electricity from one metal to another.