The questions
- 1
What do we call melted rock when it is still under the ground?
- Ash
- Granite
- Lava
- Magma
Answer: Magma
- 2
What do we call melted rock when it comes out of a volcano?
- Lava
- Magma
- Sand
- Steam
Answer: Lava
- 3
What is the opening at the top of a volcano called?
- The core
- The crater
- The plate
- The valley
Answer: The crater
- 4
What is the hot cloud of dust that can come out of a volcano?
- Ash
- Fog
- Smoke from a fire
- Snow
Answer: Ash
- 5
What do we call a volcano that could erupt again?
- Active
- Empty
- Extinct
- Frozen
Answer: Active
- 6
What do we call a volcano that will never erupt again?
- Active
- Dormant
- Extinct
- Hot
Answer: Extinct
- 7
What do we call a volcano that is sleeping but could wake up?
- Broken
- Burning
- Dormant
- Extinct
Answer: Dormant
- 8
Which famous volcano covered the Roman town of Pompeii?
- Krakatoa
- Mount Etna
- Mount Fuji
- Mount Vesuvius
Answer: Mount Vesuvius
- 9
Which volcano is the tallest mountain in Japan?
- Mauna Loa
- Mount Everest
- Mount Fuji
- Mount Vesuvius
Answer: Mount Fuji
- 10
Which country has many volcanoes and also glaciers, and is called the land of fire and ice?
- Iceland
- Indonesia
- Ireland
- Italy
Answer: Iceland
- 11
Where is Mauna Loa, one of the biggest volcanoes on Earth?
- Hawaii
- Iceland
- Kenya
- Mexico
Answer: Hawaii
- 12
What is the "Ring of Fire"?
- A circus trick
- A ring of fire on the Sun
- A ring of volcanoes around the Pacific Ocean
- A volcano in Italy
Answer: A ring of volcanoes around the Pacific Ocean
- 13
What are the giant moving pieces of the Earth's crust called?
- Lava lamps
- Ocean floors
- Rock layers
- Tectonic plates
Answer: Tectonic plates
- 14
Which planet has the biggest volcano in the solar system, Olympus Mons?
- Earth
- Jupiter
- Mars
- Venus
Answer: Mars
- 15
What do we call scientists who study eruptions and lava?
- Astronomers
- Geographers
- Meteorologists
- Volcanologists
Answer: Volcanologists
- 16
What kind of rock forms when lava cools down?
- Chalk
- Igneous rock
- Marble
- Sedimentary rock
Answer: Igneous rock
- 17
Which shiny black glass forms when lava cools very fast?
- Coal
- Diamond
- Obsidian
- Ruby
Answer: Obsidian
- 18
Which light rock is so full of air bubbles that it can float?
- Granite
- Marble
- Pumice
- Slate
Answer: Pumice
- 19
How hot can lava be?
- About 10 °C
- About 100 °C
- About 50 °C
- Over 1,000 °C
Answer: Over 1,000 °C
- 20
What does volcanic ash do to the soil around a volcano?
- Freezes it
- Makes it poisonous forever
- Makes it very rich for farming
- Turns it into glass
Answer: Makes it very rich for farming
- 21
What often happens just before a volcano erupts?
- Rainbows appear
- Small earthquakes
- Snow falls
- The sea turns red
Answer: Small earthquakes
- 22
What is a geyser?
- A cold spring
- A kind of volcano bird
- A river of lava
- Hot water that shoots up from the ground
Answer: Hot water that shoots up from the ground






