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Digging Into the Past
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This activity (on pages 23-27) lets learners simulate the work of scientists who take core samples of Earth's rocky layers to determine geological history.
To Topo Two
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In this activity, two groups of learners create two separate landform models out of clay (mountains and valleys).
Ice on Mars
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In this activity, learners use sand and ice cubes to create a model of permafrost and the effects of the ice melting through the surface.