Plate Boundaries

Front

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

Back

Transform boundary.

Front

What is the name of the supercontinent that existed millions of years ago?

Back

Pangaea.

Front

What process in the mantle helps to move lithospheric plates?

Back

Convection.

Front

What type of boundary occurs when two tectonic plates move apart?

Back

Divergent boundary.

Front

What is the term for the outer layer of the Earth that includes the crust and upper mantle?

Back

Lithosphere.

Front

What is the process called when one tectonic plate is forced under another?

Back

Subduction.

Front

What type of boundary occurs when two tectonic plates collide?

Back

Convergent boundary.

Front

What geological feature is commonly formed at divergent boundaries?

Back

Mid-ocean ridges.

Front

What is the term for the movement of the Earth's plates due to convection currents in the mantle?

Back

Plate tectonics.

Front

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

Back

Plate tectonic theory.