Layers of planet earth facts Flashcards by Charlize Allen | Brainscape

Q

What is the layer of earth people live on?

A

crust

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Q

What is the crust made out of?

A

soil, water and rock

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Q

How thick is the crust?

A

It rarely exceeds 50km

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Q

what is the thinnest layer on earth?

A

the crust

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Q

Where is magma found?

A

in the mantle

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Q

What happenns in the mantle?

A

convection currents

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Q

How wide is the mantle?

A

2900km approx

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Q

What does the outer core consist of and why?

A

Liquid because of high temperatures.

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Q

How wide is the outer core?

A

2266km approx

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Q

what is the outer core made out of?

A

mainly iron

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Q

why is the inner core solid?

A

the high pressure

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Q

how hot is the inner core?

A

6000 degrees celcius

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Q

how wide is the inner core?

A

1200km wide approx

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