Layers of the Earth

Front

Hydro- means…

Back

Water

Front

Bio- means…

Back

Life

Front

The ________________ is the thickest layer, making up about 72 percent of the mass of the Earth.

Back

Mantle

Front

The ___________________’s temperature averages 22°C. It is made of minerals and solid rocks.

Back

Crust

Front

The movement of liquid metal in the _______________________ causes Earth’s magnetic field.

Back

Inner Core

Front

What is the outermost layer of the Earth called?

Back

Crust

Front

What layer of the Earth is made up of liquid rock?

Back

Mantle

Front

What is the center of the Earth called?

Back

Inner Core

Front

What layer is responsible for tectonic plate movement?

Back

Mantle

Front

What is the layer beneath the crust called?

Back

Mantle