Final Review

What is the correct sequence of layers of the Earth from the surface to the middle?

• Inner Core, Mantle, Outer Core, Crust

• Crust, Mantle, Inner Core, Outer Core

• Outer Core, Inner Core, Crust, Mantle

• Crust, Mantle, Outer Core, Inner Core

Which layer of the Earth is the most dense?

• Outer Core

• Inner Core

• Crust

• Mantle

Which layer is liquid Iron and Nickel?

• Outer Core

• Crust

• Mantle

• Inner Core

What happens to density and temperature as you go from the Crust down to the Inner Core?

• Stays the same

• Increases

• Decreases

• Increases then decreases

This diagram shows convection which is driving plate motion. In which layer is convection taking place?

• Crust

• Mantle

• Outer Core

• Inner Core

This diagram shows P and S waves traveling through Earth. Which waves go through the entire Earth?

• P waves

• S waves

Which layer of the Earth will the S waves not travel through?

• Crust

• Mantle

• Outer Core

Why will S waves not travel through the Outer Core?

• The outer core is solid

• P waves do not want to

• The outer core is liquid

• The outer core is too hot

What is the name of this supercontinent that Alfred Wegener hypothesized existed 250 million years ago?

• Pan America

• The Earth

• Pangea

• Pan Africa

Alfred Wegener's idea that the continents were connected and have drifted apart was never accepted. What was the reason why?

• He did not evidence that they were connected

• He could not explain how continents could move

• He was crazy