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Learners see convection currents in action in this highly visual demonstration. Sealed bags of colored hot or cold water are immersed in tanks of water.

This is an activity about lung capacity. Learners will measure their own lung capacity using a homemade spirometer.

In this demonstration, learners observe vinegar and baking soda reacting to form carbon dioxide (CO2) gas.

In this environmental health activity, learners grow and observe bread mold and other kinds of common fungi over the course of 3-7 days.