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Vanishing Rods
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This is a quick activity/demonstration that introduces learners to the concept of index of refraction. Learners place stirring rods in a jar of water and notice they can see them clearly.
Release the Rainbow
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In this activity, learners create a water prism to break light into the seven colors of the rainbow.
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.