The movement of the plates creates three types of tectonic boundaries: convergent, where plates move into one another; divergent, where plates move apart; and transform, where plates move sideways ...

New crust is continually being pushed away from divergent boundaries ... other pieces of Earth's crust. The boundary where the two plates meet is called a convergent boundary.

For more on divergent boundary, go to The Sea Floor Spread. Also known as subduction boundary, a convergent boundary ... creating mountain ranges. A transform boundary occurs where two plates ...