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Drain Game
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In this activity (on pages 36-39), learners make a model of a watershed out of paper, then run water down the mountain to simulate how rainfall and pollution affect watersheds.
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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.
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Walk On Water Bugs
Source Institutions
In this activity (on pages 29-35), learners examine water pollution and filtration.