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In this activity, learners explore how air warms when it condenses water vapor or makes clouds.

In this activity (last activity on the page), learners make a model of the eardrum (also called the "tympanic membrane") and see how sound travels through the air.

In this activity, learners (at least three) work together to explore the effects of atmospheric pressure.

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

In this demonstration, learners observe the effects of density and pressure. A "diver" constructed out of a piece of straw and Blu-Tack will bob inside a bottle filled with water.