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The Dirt on Dirt
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In this fun gardening activity, learners discover their soil type. There are three basic soil types: sand, silt, and clay.
Having a Gas with Water
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In this activity, learners construct a simple electrolysis device. With this device, learners can decompose water into its elemental components: hydrogen and oxygen gas.
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.
Jem's Pykrete Challenge
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In this activity, learners make pykrete by freezing a mixture of water and a material like cotton wool, grass, hair, shredded paper, wood chips, or sawdust.