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In this simple activity, learners investigate refraction by placing a picture of an arrow behind a glass of water.

In this simple demonstration, learners investigate the properties of air pressure. Learners place an index card on top of a glass full of water, then invert the glass.

Learners build a small rocket using a matchstick and a piece of aluminum foil. A second, lit match launches the match rocket. This activity involves fire; adult supervision required.

On an airplane trip, learners have an opportunity to investigate the properties of air pressure at different altitudes.