Science 🧪 Flashcards by Edward Clarke | Brainscape

Q

What are the 4 layers of the earth

A

Crust, mantle, outer core, inner core

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Q

What is the temperature of the of the crust

A

200 degrees

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Q

What is the temperature of the mantle

A

1000 degrees

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Q

What is the temperature of the outer core

A

5500 degrees

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Q

What is the temperature of the inner core

A

9392 degrees

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Q

What is the thickness of the crust

A

30-70km

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Q

What is the thickness of the mantle

A

2900km

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Q

What is the thickness of the inner core

A

1200km

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Q

What is the thickness of the outer core

A

2200km

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Q

What is the composition of the crust

A

Sedimentary rocks

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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 outer core

A

Liquid iron and nickel

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Q

What is the composition of the inner core

A

Iron and nickel

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Q

What are tectonic plates

A

A massive slab of rock

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