Layers of the Earth

Front

What causes Earth’s magnetic field?

Back

The movement of liquid metal in the Inner Core.

Front

Which layer of the Earth is solid and the thickest?

Back

The Inner Core.

Front

What is at the very center of the Earth?

Back

The Inner Core.

Front

What is the middle layer of the Earth under the crust?

Back

The Mantle.

Front

What does the prefix 'Bio-' mean?

Back

Life.

Front

What is the outermost layer of the Earth called?

Back

The Crust.

Front

What layer lies between the Crust and the Outer Core?

Back

The Mantle.

Front

What is the state of matter of the Outer Core?

Back

Liquid.

Front

What is the primary component of the Inner Core?

Back

Solid iron and nickel.

Front

How thick is the Earth's Crust on average?

Back

About 5 to 70 kilometers.