Layers of the Earth

Front

What are the four main layers of the Earth?

Back

Crust, Mantle, Outer Core, Inner Core.

Front

What is the Crust?

Back

The outermost layer of the Earth, composed of solid rock and soil.

Front

What is the Mantle?

Back

The layer beneath the crust, made of semi-solid rock that flows slowly.

Front

What is the Outer Core?

Back

The layer of the Earth that is liquid and composed mainly of iron and nickel.

Front

What is the Inner Core?

Back

The innermost layer of the Earth, which is solid and extremely hot, composed mainly of iron.

Front

Which layer is the hottest?

Back

The Inner Core.

Front

Which layer is the only liquid layer?

Back

The Outer Core.

Front

What is the densest layer of the Earth?

Back

The Inner Core.

Front

What is the coolest layer of the Earth?

Back

The Crust.

Front

How does temperature change as you go deeper into the Earth?

Back

Temperature generally increases with depth.

Tags

NGSS.MS-PS3-4