Unit 06: Earth's Layers Review

What happens to the temperature within Earth as the pressure increases?

• The temperature remains the same

• The temperature decreases and then increases

• The temperature increases

• The temperature decreases

The __________ is the thickest layer of the Earth located between the crust and outer core.

The part of Earth's crust that makes up the seafloor and is composed mostly of basalt is known as __________ crust.

The __________ is the outermost, solid layer of the Earth.

The __________ __________ is the solid, innermost layer of the Earth.

The __________ __________ is the liquid layer of the Earth located between the mantle and the inner core.

This layer of the Earth is the innermost layer and is estimated to be about 1,250km thick.

• Crust

• Mantle

• Outer Core

• Inner Core

This layer of the Earth is the solid layer where all life exists. It is composed of mainly oxygen, silicon, aluminum, and small amounts of other elements.

• Crust

• Mantle

• Outer Core

• Inner Core

This layer of the Earth consists of semi-solid, molten rock and is composed of an abundance of elements including magnesium, iron, aluminum, and silicon.

• Crust

• Mantle

• Outer Core

• Inner Core

This layer of the Earth surrounds the inner core and is estimated to be about 2,300km thick.

• Crust

• Mantle

• Outer Core

• Inner Core