Layers Of The Earth Flashcards by Jack Johnson

Q

What is the temperature of the inner core ?

A

5,200 degrees Celsius

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Q

What is the temperature of the outer core ?

A

4500-5500 degrees Celsius

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Q

What is the temperature of the mantle ?

A

1000-3700 degrees Celsius

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Q

What is the temperature of the crust ?

A

200-392 degrees Celsius

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Q

What is the temperature of the lithosphere ?

A

300-500 degrees Celsius

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Q

What is the temperature of the asthenosphere ?

A

1300 degrees Celsius

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Q

What is the thickness of the inner core ?

A

1250KM thick

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Q

What is the thickness of the outer core ?

A

Around 2200KMs

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Q

What is the thickness of the mantle ?

A

Around 2900KMs

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Q

What is the thickness of the crust ?

A

25 miles thick

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Q

What is the thickness of the lithosphere ?

A

50-140KM

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Q

What is the thickness of the asthenosphere ?

A

50-220KM

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Q

What is the composition of the inner core ?

A

Iron and nickel

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Q

What is the composition of the outer core ?

A

Liquid iron and nickel

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Q

What is the composition of the mantle ?

A

Mostly silicates

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Q

What is the composition of the crust ?

A

Igneous and metamorphic rocks

Q

What is the composition of the lithosphere ?

A

Silicon, iron and magnesium

Q

What is the composition of the asthenosphere ?

A

Magnesium and iron