EARTH'S INTERIOR

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Crust, Mantle, Core

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3 main layers

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Crust

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Outermost layer of the earth

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12 Terms

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Crust, Mantle, Core

3 main layers

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Crust

Outermost layer of the earth

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Crust

Thinnest of all layers, like the shell of an egg

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Upper mantle

Rigid, moves with the crust

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Lithosphere

Crust and upper mantle

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Middle Mantle

Toothpaste consistency, where convection currents take place (what causes plates to move), AKA the asthenosphere

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Lower mantle

Lowest portion which remains liquid, very hot, makes up 55% of earth’s volume

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Core

Large sphere of metal, mostly iron

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Core

Temperature is about equal to the sun’s surface

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Core

Split into two, outer and inner

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Outer-core

Liquid iron

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Inner-core

Solid iron, kept solid by intense pressure