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Cartesian Diver
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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.
Experiencing Parallax With Your Thumb
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In this activity, learners investigate parallax, a method used to measure distances to stars and planets in the solar system.
Test Your Lung Power
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In this activity, learners try to blow up a balloon hanging inside of an empty bottle.
Why is the Sky Blue?
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In this activity, learners create a "mini sky" in a glass of water in a dark room.