Layers of The Earth Flashcards by Alessandra R | Brainscape

Q

How thick is the crust?

A

50 km thick

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Q

What does the crust consist of?

A

It consists of dirt, mountain and rocks

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Q

In the mantle, which layer is next to the crust?

A

The asthenosphere.

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Q

How thick is the mantle (as a whole)?

A

2900km thick.

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Q

How thick is the outer core?

A

2200km thick.

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Q

What does the mantle consist of?

A

Magma.

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Q

What does the outer core consist of?

A

Liquid iron and nickel.

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Q

How thick is the inner core?

A

1250km thick.

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Q

What does the inner core consist of?

A

Solid iron, nickel and other radioactive elements (such as uranium).

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Q

What’s the temperature in the crust?

A

-50 degrees Celcius to 200 degrees Celcius

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Q

What is the temperature in the mantle?

A

4000 degrees Celcius

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Q

What is the temperature in the outer core?

A

5000 degrees Celcius

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Q

What is the temperature in the inner core?

A

6000 degrees celcius.

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Q

How many layers does the Earth have?

A

Fours layers

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