The convection currents move the lithosphere, but occur in the mantle.

What type of plate boundaries collide?

Which of the following is not evidence of Pangaea?

 How do plates interact?

The boundary between two plates that are moving apart from one another is called a ________.

Earth’s thinnest layer  is found in the __________.

________ are large sections of lithosphere that float on the asthenosphere.

The theory of _______ states that continent moved to their present positions. 

 Evidence from _________ indicates that many continents were once located near Earth’s south pole.

_______ of iron in rocks supports the theory of seafloor spreading.

The theory of _____ states that plates move around on the asthenosphere.