Earth's Structure and Movement

What is the thickest layer of the Earth?

• the crust

• the mantle

• the outer core

• the inner core

What is the core made of?

• steel

• iron 

• aluminum

• iron and nickel

Which layer(s) of the Earth make up the asthenosphere?

• Part of the mantle

• Crust, mantle, Core

• Crust and upper mantle

• Only the crust

What is the correct order (starting from the surface) of Earth's layers?

• crust, outer core, inner core, mantle

• mantle, outer core, inner core, crust

• crust, mantle, outer core, inner core

• outer core, inner core, crust, mantle

What describes the outer core?

• solid

• liquid

• viscous

• gas

This layer of Earth is solid Iron and Nickel

• Outer Core

• Mantle

• Inner Core

• Crust

What happens to temperature as we move from the crust down into the inner core?

• Decreases

• Increases

Which layer of the earth has the lowest temperature?

• Crust

• Mantle

• Outer Core

• Inner Core

Scientists determine what Earth’s interior looks like by using:

• Volcanoes

• Seismic Waves

• Continental Drift

• Convection Currents

The lithosphere combines what two layers?

• Athenosphere & Crust

• Crust & Upper Mantle

• Mantel & Asthenosphere