Amplify Unit 2 Plate Motion - Review

Front

What happens to the gap created by plates moving apart?

Back

Soft, solid rock from underneath the plates rises and hardens, adding new solid rock.

Front

What do patterns on a map of volcanic activity and earthquakes indicate?

Back

Volcanic activity and earthquakes happened in similar areas.

Front

Who first proposed the idea of Continental Drift?

Back

Alfred Wegener.

Front

What is a plate boundary?

Back

The place along which two plates meet.

Front

What is the outer layer of the Earth called?

Back

Crust.

Front

What is the layer beneath the Earth's crust?

Back

Mantle.

Front

What is the Earth's outer core primarily made of?

Back

Liquid iron and nickel.

Front

What is the Earth's inner core primarily made of?

Back

Solid iron and nickel.

Front

What geological activity occurs at divergent plate boundaries?

Back

New crust is formed as plates move apart.

Front

What geological activity occurs at convergent plate boundaries?

Back

Plates collide, leading to mountain formation or subduction.