volcano-quiz

Volcano Quiz

by jerald.hillsPublished: July 14, 2025

Geology
From the fiery depths of the Earth to the towering peaks that shape our landscapes, volcanoes are among the most awe-inspiring natural phenomena. This quiz will challenge your understanding of volcanic activity, the science behind eruptions, and the impact these geological giants have on our planet. Ready to put your volcanic knowledge to the test? Let’s get started!
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Volcano Quiz
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1. What is the primary component of magma?
Hint: Think about what melts to form magma.

Volcano Quiz Questions Overview

1. What is the primary component of magma?

Water
Molten rock
Carbon dioxide
Sulfur dioxide

2. Which type of volcano is characterized by broad, gentle slopes?

Composite volcano
Cinder cone
Shield volcano
Lava dome

3. What is the name of the largest active volcano on Earth?

Mount St. Helens
Mount Vesuvius
Mauna Loa
Krakatoa

4. What is a pyroclastic flow?

A flow of lava
A fast-moving current of hot gas and volcanic matter
A type of volcanic rock
A type of volcanic eruption

5. Which volcanic eruption is considered the most powerful in recorded history?

Mount St. Helens
Mount Vesuvius
Krakatoa
Mount Tambora

6. What is the difference between magma and lava?

Magma is molten rock above ground, lava is below ground
Magma is molten rock below ground, lava is above ground
Magma is solid rock, lava is liquid rock
Magma is cooler than lava

7. What is the Ring of Fire?

A chain of islands
A major area of earthquakes and volcanic activity
A type of volcanic eruption
A type of volcanic rock

8. What type of volcano is Mount St. Helens?

Shield volcano
Composite volcano
Cinder cone
Lava dome

9. What is a caldera?

A type of lava flow
A large volcanic crater
A type of volcanic rock
A small volcanic cone

10. Which gas is commonly released during a volcanic eruption?

Oxygen
Nitrogen
Carbon dioxide
Helium

11. What is a volcanic bomb?

A type of explosive eruption
A large rock ejected from a volcano
A type of volcanic gas
A small volcanic crater

12. What is the main cause of volcanic eruptions?

Solar activity
Tectonic plate movements
Meteor impacts
Ocean currents

13. Which type of lava flow is the most fluid?

Pahoehoe
Aa
Blocky lava
Pillow lava

14. What is the name of the volcanic island that emerged in 1963 off the coast of Iceland?

Santorini
Surtsey
Sicily
Sumatra

15. What is the term for a volcano that has not erupted in a long time but may erupt again?

Active volcano
Dormant volcano
Extinct volcano
Sleeping volcano

16. Which volcanic eruption led to the destruction of the city of Pompeii in 79 AD?

Mount Etna
Mount Vesuvius
Mount Stromboli
Mount Pelee
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