Volcanoes

About how many active volcanoes are there on Earth?

• 100

• 200

• 1,200

• 1,600

True or false? Volcanoes only exist on land.

• True

• False

Which volcano buried the Roman city of Pompeii in A.D. 79?

• Krakatoa

• Vesuvius

• Mount Si. Helens

• Tambora

What is the tallest volcano in the world?

• Mauna Kea, U.S.

• Tambora, Indonesia

• Etna, Italy

• Kilauea, U.S.

What planet has the largest volcano in the solar system?

• Earth

• Uranus

• Mars

• Saturn

Where does the word "volcano" come from?

• Volume

• Star Trek

• The god Vulcan

• Italian for "angry"

In the past 250 years, which volcano has killed the most people?

• Mount St. Helens, U.S.

• Asama, Japan

• Askja, Iceland

• Tambora, Indonesia

What country has the most historically active volcanoes?

• Canada

• Indonesia

• Italy

• U.S.

True or false? All volcanic eruptions feature rivers of lava.

• True

• False

Most volcanoes are concentrated around the "Ring of Fire", which encircles what ocean?

• Atlantic

• Pacific

• Indian

• Arctic