Volcanoes

Front

What is the molten material called before it reaches the surface?

Back

Magma

Front

How is lava different from magma?

Back

Lava is magma on Earth's surface.

Front

What causes volcanoes to erupt due to plate movement?

Back

Friction.

Front

What is a tall cone-shaped mountain formed by layers of lava and ash?

Back

Composite volcano.

Front

What is the bowl-shaped area around a volcano’s central vent called?

Back

Crater.

Front

What is the term for the opening in the Earth's surface through which volcanic material escapes?

Back

Vent.

Front

What type of volcano is built up from the flow of low-viscosity lava?

Back

Shield volcano.

Front

What is the term for small fragments of volcanic rock and ash that are ejected during an eruption?

Back

Tephra.

Front

What is the name of the underground chamber where magma is stored?

Back

Magma chamber.

Front

What is the process called when magma rises to the surface?

Back

Volcanic eruption.