Unit 2 Assessment - The Strange Power of Volcanoes

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 surface.

Front

What is lava?

Back

Lava is hot melted rock that comes out of a volcano during an eruption.

Front

What happens during a volcanic eruption?

Back

During a volcanic eruption, lava, ash, and gases are expelled from the volcano.

Front

What is the surface of the Earth?

Back

The surface of the Earth is the top part of the land and water that we see.

Front

Why are volcanoes important to study?

Back

Studying volcanoes helps us understand how they work and can help predict future eruptions.

Front

What can volcanoes create when they erupt?

Back

Volcanoes can create new landforms, such as islands and mountains, when they erupt.

Front

What is ash in relation to volcanoes?

Back

Ash is tiny pieces of rock and minerals that are blown out of a volcano during an eruption.

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 is a dormant volcano?

Back

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

Front

What is a extinct volcano?

Back

An extinct volcano is one that has not erupted for thousands of years and is not expected to erupt again.