Layers of the Earth

Front

What are the four main layers of the Earth, starting from the surface?

Back

crust, mantle, outer core, inner core

Front

How does temperature change as you move from the crust to the inner core?

Back

Temperature increases.

Front

Can convection currents occur in the ocean, atmosphere, and Earth's mantle?

Back

Yes.

Front

What happens to less dense materials in a fluid?

Back

They rise to the top.

Front

What are tectonic plates made up of?

Back

Continental crust and oceanic crust.

Front

What is the outermost layer of the Earth called?

Back

Crust.

Front

What is the layer beneath the crust?

Back

Mantle.

Front

What is the state of the outer core?

Back

Liquid.

Front

What is the state of the inner core?

Back

Solid.

Front

What is the primary cause of tectonic plate movement?

Back

Convection currents in the mantle.