Earth Science End of Unit Practice Assessment #2

Front

What is the outer layer of the Earth called?

Back

Crust

Front

What is the layer of the Earth that is made of liquid iron and nickel?

Back

Outer Core

Front

What do geologists call the crust and uppermost mantle?

Back

Lithosphere

Front

What is the layer of the Earth that is solid and located between the crust and outer core?

Back

Mantle

Front

What is the innermost layer of the Earth called?

Back

Inner Core

Front

Why are fossil fuels considered nonrenewable resources?

Back

Fossil fuels can only be replaced over millions of years.

Front

From least to most dense, what is the correct order of Earth's four major layers?

Back

Crust, Mantle, Outer Core, Inner Core

Front

What is the term for the semi-fluid layer beneath the lithosphere?

Back

Asthenosphere

Front

What is the main component of the Earth's crust?

Back

Silicate minerals.

Front

What is the process called when heat from the Earth's core causes convection currents in the mantle?

Back

Mantle convection.