Quarter 2 Review

Front

What are the two types of crust?

Back

Continental and oceanic.

Front

Which layer is the thinnest, least dense, and most brittle?

Back

Crust.

Front

If heat and pressure inside the Earth cause a rock to melt, what material is formed?

Back

Magma.

Front

What causes the movement of Earth’s plates?

Back

Convection.

Front

What causes the movement of tectonic plates?

Back

Convection currents in the Asthenosphere.

Front

What is the Earth's outermost layer called?

Back

Crust.

Front

What is the layer beneath the crust?

Back

Mantle.

Front

What is the term for the process of one tectonic plate moving under another?

Back

Subduction.

Front

What is the name of the semi-fluid layer of the mantle that allows tectonic plates to move?

Back

Asthenosphere.

Front

What type of rock is formed from cooled magma?

Back

Igneous rock.