Plate Motions Review

Front

What type of plate movement forms a mid-ocean ridge?

Back

Divergent plate movement.

Front

What is found underneath the soil, vegetation, and water?

Back

Earth's outer layer.

Front

What happens at a divergent plate boundary?

Back

Plates move apart, allowing magma to rise and create new crust.

Front

Where can geologists find hard, solid rock?

Back

Under both land and water.

Front

What is Earth's outer layer made of?

Back

Hard, solid rock.

Front

What is a convergent plate boundary?

Back

A boundary where two plates move towards each other, often causing one plate to be forced below the other.

Front

What is a transform plate boundary?

Back

A boundary where two plates slide past each other horizontally.

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 for plate movement.

Front

What is subduction?

Back

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