Layers of Earth Flashcard

Front

What are the physical layers of Earth?

Back

Lithosphere, Asthenosphere, Mesosphere, Outer Core, Inner Core

Front

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

Back

Pressure becomes greater as you go deep inside the Earth.

Front

What are Earth's chemical compositional layers?

Back

Crust, Mantle, Core

Front

Which layer of the Earth is the thinnest and least dense?

Back

Crust

Front

Why is the inner core solid?

Back

Because of the pressure of the other layers beating down on it.

Front

What is the outer core primarily made of?

Back

Liquid iron and nickel.

Front

What is the mantle composed of?

Back

Semi-solid rock that flows slowly.

Front

What is the lithosphere?

Back

The rigid outer layer of the Earth, including the crust and upper mantle.

Front

What is the asthenosphere?

Back

A semi-fluid layer beneath the lithosphere that allows tectonic plates to move.

Front

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

Back

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