L4 : Layers of the Earth

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12 Terms

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Crust

The THIN LAYER OF EARTH where all living things live.

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5-70km

What is KM IN CRUST?

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Land (Continental Crust)

Water (Oceanic Crust)

What are the TWO COVERS IN CRUST?

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Mantle

The THICK LAYER inside the earth between the crust and the core. It's mostly SOLID and made of HOT ROCKS AND MINERALS.

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2900km

1000-7000°F

What is KM AND F IN MANTLE?

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Uppermantle

Lowermantle

What are the TWO PARTS OF MANTLE?

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Lithosphere (hard)

Asthenosphere (soft)

What are in THE UPPER MANTLE?

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Core

The dense center in HOTTEST PART OF THE EARTH. Made almost entirely of IRON AND NICKEL.

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Outer Core and Inner Core

What are the TWO TYPES OF CORE?

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2000km, 9000°F

1230km-1530km, 10000°F

What is KM AND F OF OUTER AND INNER CORE?

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Outer Core

BORDERS THE MANTLE. Bullen continuity is the HOTTEST PART OF THE CORE.

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Inner Core

It is a hot, DENSE BALL OF IRON. The temperature of this is for above the melting point of iron.