Open Court Volcanoes Rising Flashcard

Front

What is a volcano?

Back

A volcano is an opening in the Earth's surface where molten rock, ash, and gases can escape from below the Earth's crust.

Front

What are the two types of eruptions?

Back

Creative eruptions and destructive eruptions.

Front

What is a creative eruption?

Back

A creative eruption is when a volcano creates new landforms, like islands or mountains, by adding lava.

Front

What is a destructive eruption?

Back

A destructive eruption is when a volcano causes damage to the surrounding area, such as destroying buildings and landscapes.

Front

What is magma?

Back

Magma is molten rock that is found beneath the Earth's surface.

Front

What is lava?

Back

Lava is magma that has reached the Earth's surface.

Front

What is a super volcano?

Back

A super volcano is a very large volcano that can produce extremely large and dangerous eruptions.

Front

What does it mean when a volcano is 'active'?

Back

An active volcano is one that has erupted recently and may erupt again.

Front

What does it mean when a volcano is 'dormant'?

Back

A dormant volcano is one that has not erupted in a long time but could erupt again in the future.

Front

What does it mean when a volcano is 'extinct'?

Back

An extinct volcano is one that is not expected to erupt again.