Volcanoes

Front

What is an active volcano?

Back

A volcano that has erupted at least once in the last 10,000 years.

Tags

NGSS.MS-ESS3-2

Front

What is molten rock that has formed deep within the Earth?

Back

Magma

Front

What is molten rock that has reached the Earth's surface?

Back

Lava

Tags

NGSS.MS-ESS2-1

Front

What is an extinct volcano?

Back

A volcano that should never erupt again.

Front

What is a volcano?

Back

A hole in the Earth where magma erupts.

Front

What is a dormant volcano?

Back

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

Front

What is the difference between magma and lava?

Back

Magma is molten rock beneath the Earth's surface, while lava is molten rock that has erupted onto the surface.

Front

What are the main types of volcanoes?

Back

Shield, stratovolcano, and cinder cone.

Front

What is a stratovolcano?

Back

A type of volcano characterized by a conical shape and explosive eruptions.

Tags

NGSS.MS-ESS3-2

Front

What is a shield volcano?

Back

A broad, gently sloping volcano formed by the eruption of low-viscosity lava.