Unit 4 Review

Front

What drives the movement of tectonic plates?

Back

Convection currents in the mantle.

Front

How do convection currents affect the Earth?

Back

They drive plate tectonics.

Front

What layers of Earth are included in the lithosphere?

Back

The crust and upper mantle.

Front

What type of plate boundary is characterized by plates moving apart?

Back

Divergent plate boundary.

Front

What type of plate boundary is characterized by plates colliding?

Back

Convergent plate boundary.

Front

What is a feature of a convergent boundary?

Back

Subduction zone.

Front

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

Back

Subduction.

Front

What geological feature is commonly formed at divergent boundaries?

Back

Mid-ocean ridge.

Front

What is the term for the outermost layer of the Earth?

Back

Crust.

Front

What is the term for the semi-fluid layer beneath the lithosphere?

Back

Asthenosphere.