Plate Tectonics

Front

What is the process in which two tectonic plates move toward each other but one sinks under the other?

Back

Subduction

Front

A trench forms at a __________ boundary.

Back

Convergent

Front

What forms at a divergent boundary between two oceanic plates?

Back

Mid-ocean ridge

Front

A rift valley occurs at a __________ boundary.

Back

Divergent

Front

What forms at a convergent boundary between a continental plate and an oceanic plate?

Back

Volcanoes

Front

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

Back

Plate Tectonics

Front

What type of boundary occurs when two plates slide past each other?

Back

Transform boundary

Front

What geological feature is created when two continental plates collide?

Back

Mountain ranges

Front

What is the term for the process of new oceanic crust being formed at mid-ocean ridges?

Back

Seafloor spreading

Front

What is the name of the boundary where tectonic plates move apart?

Back

Divergent boundary