The Earth's Structure

  • Created by: Emily x
  • Created on: 15-09-12 23:13
What is the approximate size of the earth's core?
The size of Mars
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What is the earth's core made mostly of?
Iron and Nickel
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What is the outer core like?
Semi-molten
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What is the mantle mostly composed of?
Silicate rocks
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What is the mantle rich in?
Iron and Magnesium
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What is the crust separated from the mantle by?
The Moho
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The crust has what density of rocks?
Least dense of the earth's structure
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What is the crust rich in?
Silicon, Oxygen, Aluminium, Potassium and Sodium
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What type of rocks is oceanic crust mainly made of?
Basaltic
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Approximately how thick is oceanic crust?
6 - 10 km
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Continental crust can be as thick as how much?
70km
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The crust and upper - mantle are known collectively as what?
Lithosphere
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Other cards in this set

Card 2

Front

What is the earth's core made mostly of?

Back

Iron and Nickel

Card 3

Front

What is the outer core like?

Back

Preview of the front of card 3

Card 4

Front

What is the mantle mostly composed of?

Back

Preview of the front of card 4

Card 5

Front

What is the mantle rich in?

Back

Preview of the front of card 5
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Comments

Sarah Curtis

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this is really hard

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