Earths layers Flashcards by Karman Dhaliwal | Brainscape

Q

What is the crust composed of?

A

Brittle rock and soil

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Q

What is the temperature of the crust?

A

Varies; can be really hot

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Q

How deep is the crust?

A

5 - 100 km

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Q

What is the mantle composed of?

A

Solid rock, iron, magnesium, and calcium

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Q

What is the temperature of the mantle?

A

200 to 4000 degrees Celsius

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Q

How deep is the mantle?

A

2900 km thick

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Q

What is the outer core composed of?

A

Liquid iron and nickel

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Q

What is the temperature of the outer core?

A

4400 - 6000 degrees Celsius

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Q

How deep is the outer core?

A

2200 km thick

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Q

What is the inner core composed of?

A

Solid iron and nickel

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Q

What is the temperature of the inner core?

A

6000 degrees celsius

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Q

How deep is the inner core?

A

1220 km in radious

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