Earth's Layers

What does the Earths layers consist of? (Select all that apply)

• Nothing

• Crust

• Mantle

• Core

The crust that we walk on is ____ times thicker than the crust under the ocean.

• 3

• 4

• 5

• 9

The crust extends to about ___ miles.

• 25

• 20

• 30

• 150

The Earths crust floats on?

• The Mantle.

• The Ground.

• The Air.

• Nothing.

The Mantle amounts to (a)   % of the total mass of the earth.

The Mantle is about (a)   miles thick and by far the largest layer of Earth.

The Earths Outer Core is made up of?

(a)  

Inner Core extends ____ miles towards the center of the Earth.

• 900

• 880

• 700

• 1500

The Inner Core is the hottest part of the Earth and it is as hot as the surface of the sun.

• True

• False

Tags

NGSS.MS-PS1-4