Amplify Plate Motion - Chapter 2

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 does 'converge' mean?

Back

To move towards each other.

Front

What is Earth's outer layer made of?

Back

Earth's outer layer is made up of hard, solid rock.

Front

What is underneath the soil and ocean in Earth's outer layer?

Back

Underneath both the soil and the ocean, Earth’s outer layer is made of hard, solid rock.

Front

What type of solid material are Earth's plates?

Back

Earth's plates are a hard solid material.

Front

What type of solid material is Earth's mantle?

Back

Earth's mantle is a soft solid material.

Front

What is the process called when tectonic plates move apart?

Back

Divergence.

Front

What is the process called when tectonic plates collide?

Back

Convergence.

Front

What is the lithosphere?

Back

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

Front

What is the asthenosphere?

Back

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