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Chemical Layers of the Earth page 91
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Remember when the Earth was molten? …
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3 Chemical Layers of Earth Based on what chemicals make up the layer, (chemical composition). Crust, Mantle, and Core
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What is the Crust? The layer of rock that forms the EARTH’S SURFACE
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How thick is the crust? About 25 miles thick beneath continents, and about 6.5 miles thick beneath oceans.
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What is the Mantle? Inside Earth, under crust. HOT, molten rock “Plastic;” flows slowly.
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What is the core? The CENTER of the Earth 2 parts—a liquid outer part and a solid inner part
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A cross section of the layers of the earth
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