Volcano Grade 7

What is a volcano

• A volcano is a type of mountain that only forms in cold climates.
• A volcano is a large body of water that erupts steam.
• A volcano is a geological formation that only exists on Mars.
• A volcano is an opening in the Earth's crust that allows molten rock, ash, and gases to escape.

What causes a volcano to erupt?

• The presence of large bodies of water nearby.

• The cooling of magma in the Earth's mantle.

• The gravitational pull of the moon.

• The movement of tectonic plates beneath the Earth's surface.

What are the main types of volcanoes?

• Active, dormant, and extinct volcanoes.

• Oceanic, continental, and island volcanoes.

• Mountain, hill, and plateau volcanoes.

• Shield, composite, and cinder cone volcanoes.

What is the term for the molten rock that erupts from a volcano?

• Tephra

• Magma

• Lava

• Ash

Look at #1.

Name the volcano.

• shield

• composite

• cinder cone

Look at #2.

Name the volcano.

• shield

• composite

• cinder cone

Look at #3.

Name the volcano.

• shield

• composite

• cinder cone