Layers of Earth

Front

What is the outermost physical layer of Earth?

Back

Lithosphere

Front

Which compositional layer is the least dense?

Back

Crust

Front

What are Earth's Chemical Compositional Layers?

Back

Crust, Mantle, Core

Front

Which physical layer is represented by the yellow layer?

Back

Inner Core

Front

Which layer has the hottest temperatures?

Back

Inner Core

Front

What is the layer beneath the lithosphere called?

Back

Asthenosphere

Front

What is the main component of the Earth's core?

Back

Iron and Nickel

Front

What is the difference between the inner core and outer core?

Back

The inner core is solid, while the outer core is liquid.

Front

What is the mantle primarily composed of?

Back

Silicate minerals

Front

How thick is the Earth's crust on average?

Back

About 5 to 70 kilometers