Layers of the Earth

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5 Terms

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Four Major Layers

Inner core

Outer core

Mantle

Crust

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Inner Core

Made of solid metal; nickel and iron

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Outer Core

Also made of metal, but liquid metal; still nickel and iron

One of the main reasons we have a magnetic field that surrounds earth because

  • As it spins that liquid metal outer core causes that magnetic field to build up around the Earth

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Mantle

Primarily composed of rock

It’s solid, but it’s sort of vicious solid

The crust can shift around and move on top of mantle

Why we have earthquakes and continental drift,

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Crust

Think: apple peel of the earth

Very, very thin compared to these other layers