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

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

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

In this activity, learners observe what happens when they give a light source like a neon glow lamp a "Bronx Cheer." The lights appear to wiggle back and forth and flicker when learners blow air throu

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

In this activity, learners work in pairs to measure each other's ankles with lengths of string.

This experiment allows learners to experience a small scale "epidemic," demonstrating the ease with which disease organisms are spread, and enables learners to determine the originator of the "epidemi