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Convection Demonstration
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In this quick activity (located on page 2 of the PDF under GPS: Balloon Fiesta Activity), learners will see the effects of convection and understand what makes hot air balloons rise.
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.
Hot Cans and Cold Cans
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Learners apply their knowledge of heat transfer to design two cans - one that will retain heat and one that will cool down quickly.
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.