Layers of the Earth

Front

What is the layer of the Earth that makes up about 85% of its total weight?

Back

Mantle

Front

What is the hottest part of the Earth?

Back

Inner Core

Front

How do scientists know what is below the Earth's crust?

Back

They use seismic waves.

Front

What causes the inner core to be solid despite its high temperature?

Back

Enormous amounts of pressure.

Front

What is the inner core primarily made of?

Back

Iron and nickel.

Front

What is the outer layer of the Earth called?

Back

Crust.

Front

What is the layer between the crust and the outer core?

Back

Mantle.

Front

What is the state of matter of the outer core?

Back

Liquid.

Tags

NGSS.HS-ESS2-3

Front

What is the primary method used to study the Earth's interior?

Back

Seismic wave analysis.

Front

What is the temperature of the inner core comparable to?

Back

The surface of the sun.