Layers of the Earth

Front

What are the four main layers of the Earth?

Back

Crust, Mantle, Outer Core, Inner Core.

Front

Which layer of the Earth is the outermost?

Back

Crust.

Front

What is the layer beneath the Earth's crust?

Back

Mantle.

Front

Which layer is liquid and surrounds the inner core?

Back

Outer Core.

Front

What is the hottest layer of the Earth?

Back

Inner Core.

Front

Which layer is the thickest?

Back

Mantle.

Front

What is the state of matter of the outer core?

Back

Liquid.

Front

What is the state of matter of the inner core?

Back

Solid.

Front

What is the average temperature of the inner core?

Back

About 5,000 to 7,000 degrees Celsius.

Front

What is the primary composition of the crust?

Back

Silicon and oxygen.