Structure Of The Earth Flashcards by Luke Phillips

Q

How thick is the crust?

A

50km thick

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Q

How thick is the mantle?

A

2,900 km thick

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Q

How thick is the outer core?

A

2,266 km thick

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Q

What is the upper mantle and crust called?

A

Lothosphere

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Q

What is the lower mantle called?

A

Asthenosphere

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Q

What is the mantle made of?

A

Magma (molten rock)

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Q

What is the outer core made of?

A

Liquid iron and nickel

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Q

How hot is the outer core?

A

4000°C - 5700°C

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Q

What is the inner core made of?

A

Solid nickel and iron

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Q

How hot is the inner core?

A

5700°C (same temperature as the sun)

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