Plate Tectonics

Front

A trench forms at a _________ boundary.

Back

convergent

Front

What boundary creates mountains?

Back

convergent

Front

What is Wegener's idea that continents are slowly moving over Earth's surface called?

Back

continental drift

Front

Name the boundary that is characterized by plates moving apart.

Back

divergent

Front

What is Pangea?

Back

the name of a supercontinent that existed millions of years ago

Front

What type of boundary is formed when two tectonic plates slide past each other?

Back

transform

Front

What geological feature is formed at a convergent boundary where one plate is forced under another?

Back

subduction zone

Front

What is the theory that explains the movement of Earth's plates?

Back

plate tectonics

Front

What is the process called when new oceanic crust is created at a divergent boundary?

Back

seafloor spreading

Front

What type of boundary is associated with earthquakes?

Back

transform boundary