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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.

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

In the kitchen, learners can perform their own density investigation.

In this physics activity, learners use square blocks to explore how towers fall. Learners attach a piece of string to the side of a block and then construct a tall tower on top of this base block.