Chapter 8 - Volcanoes

Front

What is the hot, liquid material contained inside of a volcano?

Back

Magma

Front

What happens to the temperature of the rock when magma forms?

Back

The temperature of the rock increases or the pressure on the rock decreases.

Front

What does it mean if lava is very runny?

Back

It has a low silica content.

Front

What is formed when an empty magma chamber collapses?

Back

Caldera

Front

What type of volcano is characterized by a steep slope and explosive eruptions?

Back

Stratovolcano.

Front

What type of volcano is built from layers of ash and lava?

Back

Composite volcano.

Front

What is a cinder cone volcano?

Back

A type of volcano that is steep and formed from volcanic ash and small lava fragments.

Front

What is the difference between magma and lava?

Back

Magma is found beneath the Earth's surface, while lava is magma that has reached the surface.

Front

What is the primary gas released during a volcanic eruption?

Back

Water vapor.

Front

What is a volcanic eruption?

Back

The release of magma, gas, and ash from a volcano.