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Rocks Song by Peter Weatherall PCS 2nd Grade Science
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Designing a Beaver Dam out of earth materials.
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Longer video on dam building
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Introduction to the Beaver Dam Engineering Project
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Erosion by wind and water
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Water in three forms on Earth: solid ice, liquid water, water vapor.
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Where can you find water? The Water Cycle.
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Properties and weathering
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Properties of volcanic rocks
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