Volcanoes Quiz

What is a volcano made of?

• Clouds and rain

• Ice and snow

• Sand and water

• Cooled lava, ash, or other material from a previous eruption

How many active volcanoes are there in the world today?

• 500

• 1500

• 2000

• 1000

Where is the world's largest active volcano located?

• California

• Alaska

• Hawaii

• Oregon

What is magma?

• Hot air

• Solid rock

• Extremely hot liquid and semi-liquid rock

• Cold water

What happens when magma reaches the surface of the Earth?

• It becomes water

• It becomes lava

• It becomes ice

• It becomes gas

What is the Ring of Fire?

• A place where most volcanoes and earthquakes originate

• A famous movie

• A type of plant

• A type of animal

Which volcano stage has not erupted for thousands of years?

• Erupting

• Extinct

• Dormant

• Active

What do you need to add to the water to make the model volcano erupt?

• Oil

• Sugar

• White vinegar

• Salt

Which state in the United States does NOT have active volcanoes?

• Hawaii

• California

• Alaska

• Texas

What causes the pressure inside a volcano to build up?

• Gas bubbles inside the magma expand

• Rainfall

• Wind

• Sunlight