Volcanoes

Front

What is the layer of earth beneath the crust?

Back

The mantle.

Front

What is the name of the line of volcanoes that surround the Pacific Ocean's subduction zone?

Back

Ring of Fire.

Front

Are volcanoes constructive?

Back

Yes, they create new rock when magma cools on the surface.

Front

What happens at mid-ocean ridges?

Back

The plates pull apart, and magma pushes up between them, causing seafloor spreading.

Front

What is the melted, molten rock in the mantle called?

Back

Magma.

Front

What is a volcano?

Back

A mountain that erupts with lava, ash, and gases from below the Earth's surface.

Front

What is magma called when it reaches the Earth's surface?

Back

Lava.

Front

What is the process of one tectonic plate sliding under another called?

Back

Subduction.

Front

What is the term for the area where two tectonic plates meet?

Back

Plate boundary.

Front

What is the main gas released during a volcanic eruption?

Back

Water vapor.