Volcano Review

Front

What type of magma is associated with very explosive volcanoes?

Back

High viscosity magma.

Front

What is the principal ingredient in all types of magma?

Back

Silica.

Front

Where are most volcanoes located?

Back

Ring of Fire.

Front

What is magma called once it reaches the earth's surface?

Back

Lava.

Front

What type of volcano has a broad base and gently sloping sides?

Back

Shield volcano.

Front

What gas is often found in high concentrations in explosive volcanoes?

Back

Sulfur dioxide.

Front

What is the term for a volcano that erupts explosively and has steep sides?

Back

Composite volcano.

Front

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

Back

Volcanic eruption.

Front

What is the difference between magma and lava?

Back

Magma is underground; lava is above ground.

Front

What type of volcano is formed from ash and cinders?

Back

Cinder cone volcano.