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Layers of the Earth Vocabulary

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Question
Answer
Layer of gases surrounding Earth   Atmosphere  
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Layer of water in and above the crust (ocean, rivers, lakes)   Hydrosphere  
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Layer that includes the parts of Earth that are able to support living things   Biosphere  
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Earths outermost and thinnest layer. Only 1% of Earth's materials.   Crust  
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Dividing line between crust and the mantle   Moho  
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What scientists call the crust and the moho together   Lithosphere  
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Thickest layer and makes up most of Earth's material   Mantle  
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Layer made mostly of iron and nickel but so hot it is liquid   Outer Core  
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Layer made of iron and under such pressure that it is so dense it is solid   Inner Core  
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A slow destructive process that breaks rocks into smaller piles called sediments   Weathering  
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A destructive process that moves rocks and sediment away from a place   Erosion  
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A constructive process that occurs when eroded sediments are deposited in new places; it forms changes in the surface such as sand dunes, hills, sand bars in rivers, coastlines, etc.   Deposition  
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Small rocks, pebbles sand, gravel, silt and clay dust   Sediment  
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Decaying plants and animals   Matter  
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Up to 25 miles thick, mostly granite   Continental Crust  
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About 6 miles thick, mostly basalt pressed down by the weight of water   Oceanic Crust  
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Created by: RoperFive
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