Layers of the Earth

Front

This layer of the earth makes up about 85% of the earth's total weight and is what the crust floats on.

Back

Mantle

Front

The crust and upper mantle together are called what?

Back

Lithosphere

Front

This is the inner part of the upper mantle where the tectonic plates sit?

Back

Asthenosphere

Tags

NGSS.MS-ESS2-3

Front

This layer is very hot at 3000 degree celsius yet is still solid due to pressure and is slowly moving.

Back

Lower Mantle

Front

What causes the lower mantle to move?

Back

convection currents

Front

What material is the core of the earth mostly made of?

Back

Iron

Front

This liquid layer of magma is made of iron and nickel and creates earth's magnetic field and is up to 9000 degrees.

Back

Outer Core

Front

Although the inner core is as hot as the sun, what causes this layer of the earth to be a solid?

Back

Enormous amounts of pressure

Tags

NGSS.MS-PS1-4

Front

What type of material is the mantle made up of?

Back

Rocks

Front

This is thought to be a solid ball of iron and nickel.

Back

Inner Core