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Sandy Samples
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In this collecting/comparing activity, learners work with samples of sand from different places like a lakefront, river, or ocean beach.
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Scram or Freeze
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In this outdoor activity and animal-role-play game, learners discover and uncover the hidden world of "cryptozoa"—organisms such as spiders, salamanders and slugs that live under objects, like rocks a
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Teen Moon: Moon Ooze
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In this activity, learners model how the Moon's volcanic period reshaped its earlier features.
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Weathering and Erosion
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In this activity (page 13 of the PDF), learners discover how weathering and erosion change the Earth’s surface.