6th Period: Topic 5 Extra Credit

Front

What is continental drift?

Back

The movement of the Earth's continents relative to each other.

Front

What causes plate movement?

Back

Convection currents in the mantle.

Front

What landform is created when two continental plates collide?

Back

Mountains.

Front

What is a convergent boundary?

Back

A tectonic plate boundary where two plates collide.

Front

What landform is typically found at a convergent boundary between two oceanic plates?

Back

Ocean Trench.

Front

What is a supercontinent?

Back

A large landmass that contains all or most of the Earth's continents.

Front

What is a fault zone?

Back

An area where two tectonic plates meet and can cause earthquakes.

Front

What is a subduction zone?

Back

A region where one tectonic plate moves under another and sinks into the mantle.

Front

What happens at a mid-ocean ridge?

Back

New oceanic crust is formed as tectonic plates pull apart.

Front

What is the role of convection currents in the mantle?

Back

They drive the movement of tectonic plates.