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

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

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

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.