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In this activity, learners test to see if carbon dioxide is present in the air we breathe in and out by using a detector made from red cabbage.

In this activity related to indoor air pollution, learners build take-home dust catchers with wax paper and petroleum jelly.

Most of the time, we don't have to think about breathing. In fact, you're probably breathing right now without thinking about it!

Learners will build a lung model to understand how their lungs and diaphragm work to make them breathe.

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