Volcanoes Flashcard

Front

What volcano erupted in 1980?

Back

Mt. St. Helens

Front

What type of volcano is made up of alternating layers of ash and lava?

Back

Composite / Stratovolcano

Front

What geological feature formed the Hawaiian islands?

Back

Hot spot

Front

What are the four main types of volcanoes?

Back

Cinder cone, Composite, Shield, Lava dome

Front

What is magma?

Back

Molten rock beneath the earth's surface

Front

What is a shield volcano?

Back

A broad, domed volcano with gentle slopes, formed by the eruption of low-viscosity lava.

Front

What is a cinder cone volcano?

Back

A steep, conical hill formed from volcanic ash and small lava fragments.

Front

What is a dormant volcano?

Back

A volcano that has not erupted in a long time but could erupt again.

Front

What is an active volcano?

Back

A volcano that is currently erupting or has erupted recently.

Front

What is an extinct volcano?

Back

A volcano that is not expected to erupt again.