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

In this health activity, learners explore breathing, lungs and asthma. Learners test their lung capacity by blowing air into balloons.

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

In this environmental health activity, learners investigate their own vital lung capacities.

This activity (on pages 15-23) combines interactive role-playing and graphing to introduce learners to the health affects of pollen.