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Front

What is the layer of Earth that flows slowly and causes the crust to move?

Back

Mantle

Front

What occurs in a Convection Current?

Back

Hot magma rises, cold magma lowers.

Front

What do tectonic plates consist of?

Back

Both continental and oceanic crust.

Front

What is the primary cause of the movement of Earth’s plates?

Back

Convection.

Front

What is the name of the land mass where all continents were once together?

Back

Pangaea.

Front

What is the outermost layer of the Earth called?

Back

Crust.

Front

What is the term for the process where one tectonic plate moves under another?

Back

Subduction.

Front

What is the theory that explains the movement of continents over geological time?

Back

Continental Drift.

Front

What is the layer of the Earth that is solid and composed mainly of iron and nickel?

Back

Inner Core.

Front

What is the layer of the Earth that is liquid and surrounds the inner core?

Back

Outer Core.