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In this activity, learners explore the forces at work in water. Learners experiment to find out what happens to pepper in water when they touch it with bar soap and liquid detergent.

In this activity, learners discover that our hands are not reliable thermometers.

Get all wrapped up in a lesson about skin!

In this activity, learners will discover how the thin layers of amphibians' skin allow water and other chemicals to pass through it.