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Personal Fan
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Cool off in the heat with this project! Learners use simple materials to build a fan that runs on a motor.
Cake by Conduction
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In this demonstration, cook a cake using the heat produced when the cake batter conducts an electric current.
Give and Take
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In this activity, learners explore liquid crystals, light and temperature. Using a postcard made of temperature-sensitive liquid crystal material, learners monitor temperature changes.
Keep it Cool
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In this activity, learners explore how engineers have met the challenge of keeping foods, liquids, and other items cool.