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In this quick and easy activity and/or demonstration, learners illustrate the effect of the weight of air over our heads.

In this physics demonstration, learners will be surprised when a handkerchief holds water in an upside-down glass.

This simple, yet surprising physics demonstration challenges preconceptions about forces, and demonstrates the strength of atmospheric pressure.

In this activity, learners discover how hard their hearts work to pump blood.

In this quick activity, learners use a toaster to investigate the source for the Earth's wind. Learners hold a pinwheel above a toaster to discover that rising heat causes wind.

In this activity/demonstration, learners observe what happens when two ping pong balls are suspended in the air by a hair dryer. Use this activity to demonstrate how rain drops grow by coalescence.