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Descartes' Diver
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In this activity, learners explore how changes in fluid pressure affect the buoyancy of a Cartesian diver inside a plastic soda bottle.
Feeling Pressured
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In this activity, learners (at least three) work together to explore the effects of atmospheric pressure.
A Mole of Gas
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In this two-part activity, learners use everyday materials to visualize one mole of gas or 22.4 liters of gas. The first activity involves sublimating dry ice in large garbage bag.
Vortex
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In this activity, learners create a tornado in a bottle to observe a spiraling, funnel-shaped vortex. A simple connector device allows water to drain from a 2-liter bottle into a second bottle.
Marshmallow Puff Tube
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In this demonstration/activity, learners observe as a regular size marshmallow is blown through a tube made from a manila file folder.
"Boyle-ing" Water
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In this activity, learners explore Boyle's Law and discover that water will boil at room temperature if its pressure is lowered.
Air Pressure and Dent Pullers
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In this activity, learners simulate Otto von Guericke's famous Magdeburg Hemispheres experiment.