Plate Tectonics

In 1910 a German scientist name ________ had a theory that the continents were once together in a giant landmass.

What process adds new crust to the ocean floor?

What did Alfred Wegener think happened?

At what type of boundary to plates slip past each other?

Where does sea floor spreading occur?

What did Alfred Wegener call his theory?

Name one thing that forms at a convergent boundary.

What happens at a transform boundary? (What is the disturbance called?)

What did Alfred Wegener call the giant landmass?

Name one thing that forms at a divergent boundary.

At what type of boundary do plates move towards each other?

What is the lithosphere broken into?

Where does sea floor spreading occur?

At what type of boundary do the plates move away from each other?

What is a long chain of mountains found underwater?