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Volcanoes

Volcanoes quiz

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Question 1 of 3Easy

Where are 9 in 10 homes heated by volcanic hot water?

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8
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Spaced repetition

More questions about Volcanoes

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

  1. 1 Easy

    What national park sits on top of a supervolcano?

    Answer: Yellowstone

    Why: Heat from the magma below feeds more than 500 geysers in the park, more than anywhere else on Earth.

  2. 2 Medium

    Which volcano is called the 'Lighthouse of the Mediterranean'?

    Answer: Stromboli

    Why: It has erupted almost nonstop for over 2,000 years, with small blasts roughly every 20 minutes.

  3. 3 Hard

    What carved the flat tops of submerged guyot volcanoes?

    Answer: Wave erosion

    Why: Guyots were once volcanic islands that ocean waves planed flat at the surface before crustal sinking submerged them.

  4. 4 Easy

    Where does a capital city's castle stand on an extinct volcano?

    Answer: Edinburgh

    Why: Castle Rock is the hardened plug of a volcano that was active about 350 million years ago.

  5. 5 Medium

    What does volcanic ash turn into inside a hot jet engine?

    Answer: Glass

    Why: Jet engines run at about 1,400 °C, hot enough to melt the glassy ash, which then fuses onto the turbine blades.

  6. 6 Hard

    Which collapsed volcano created Oregon's Crater Lake?

    Answer: Mount Mazama

    Why: Before collapsing into its drained magma chamber, Mount Mazama stood roughly 3,700 meters tall.

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