Plate Tectonics and Plate Boundaries

Front

The area where two or more plates meet is called a _____________.

Back

plate boundary

Front

What is Pangaea?

Back

The name of the supercontinent that existed millions of years ago.

Front

Plates slide past one another at ____________ boundaries.

Back

transform boundaries

Front

What are the two types of crust?

Back

continental and oceanic

Front

Which of the following causes Earth's tectonic plates to move?

Back

Convection currents in the mantle.

Front

What is the lithosphere?

Back

The rigid outer layer of the Earth, consisting of the crust and upper mantle.

Front

What is the asthenosphere?

Back

The semi-fluid layer beneath the lithosphere that allows tectonic plates to move.

Front

What are divergent boundaries?

Back

Boundaries where two tectonic plates move away from each other.

Front

What are convergent boundaries?

Back

Boundaries where two tectonic plates collide or move towards each other.

Front

What is subduction?

Back

The process where one tectonic plate moves under another and is forced into the mantle.