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Make a Model Caldera
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In this quick activity (page 2 of PDF under GPS: Lava Flow Activity), learners will model how large depressions near the top of a volcano are formed by using an inflating and deflating balloon submerg
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Design and Build a Barometer
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In this activity, learners make a barometer, an instrument to measure change in air pressure.
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What is a “Convection Cell”?
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In this demonstration, learners can observe a number of small convection cells generated from a mixture of aluminum powder and silicon oil on a hot plate.
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The Crayon Rock Cycle
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In this activity, learners use crayons to draw conclusions about rocks and the rock cycle.