Earth's Compositional Layers

Front

What are the Earth's compositional layers in order from most dense to least dense?

Back

Inner Core, Outer Core, Mantle, Crust

Front

What two layers combine to form the lithosphere?

Back

Crust & Upper Mantle

Front

What is layer #20 of the Earth?

Back

Inner Core

Front

What happens to pressure as you go deeper into the Earth?

Back

Pressure increases.

Front

What is the solid, outer layer of the Earth that consists of the crust and the rigid upper part of the mantle?

Back

Lithosphere

Front

What is the composition of the Inner Core?

Back

Solid iron and nickel.

Front

What is the composition of the Outer Core?

Back

Liquid iron and nickel.

Front

What is the Mantle primarily made of?

Back

Silicate rocks.

Front

What is the Asthenosphere?

Back

A semi-fluid layer of the upper mantle beneath the lithosphere.

Front

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

Back

Temperature increases.