Earth's Layers - Exam Review

Front

What are the four main layers of the Earth?

Back

Crust, Mantle, Outer Core, Inner Core.

Front

What is the outermost layer of the Earth called?

Back

Crust.

Front

Which layer of the Earth is solid and composed of rock?

Back

Crust.

Front

What is the layer beneath the crust?

Back

Mantle.

Front

What is the characteristic of the mantle?

Back

It is semi-solid and can flow slowly.

Front

Which layer is the hottest part of the Earth?

Back

Inner Core.

Front

What is the state of matter of the outer core?

Back

Liquid.

Front

What is the asthenosphere?

Back

A part of the upper mantle that is semi-fluid and allows tectonic plates to move.

Front

What type of crust is denser, oceanic or continental?

Back

Oceanic crust is denser.

Front

What forms the seafloor?

Back

Oceanic crust.