Volcano Quiz

32 Questions  I  By Schweller.be
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Volcano Quizzes & Trivia
Volcanic Eruptions

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Questions and Answers

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  • 1. 
    What is the outside layer of the earth called?
    • A. 


    • B. 


    • C. 

      Outer Core

    • D. 

      Inner Core

    • E. 


  • 2. 
    What is an opening in Earth's surface through which lava, hot gases, and rock fragments erupt?

  • 3. 
    What is the name of magma that has escaped onto Earth's surface

  • 4. 
    This is where the volanic materials that erupt are stored?

  • 5. 
    What two things burst through an opening in the top of the volcano

  • 6. 
    What is a thick liquid that flows out of the volcanoes called?

  • 7. 
    How can lava affect rocks

  • 8. 
    What are the 3 main layers of earth?

  • 9. 
    Which is thicker, the continental crust or the crust beneath the ocean?

  • 10. 
    How thick is the mantle

  • 11. 
    What is the outer core made of?

  • 12. 
    What is the inner core made of?

  • 13. 
    Hot melted rock within the earth is called?

  • 14. 
    Why does magma rise slowly through the mantle?

  • 15. 
    What happens as magma in a magma chamber forces its way up thru weak spots of the crust

  • 16. 
    What might happen if the central vent of a volcano becomes blocked

  • 17. 
    What forms the black sand beaches of Hawaii

  • 18. 
    The earth's crust is made of about how many sections of solid rock, each of which is called a plate

  • 19. 
    Why does the earth's picture change

  • 20. 
    The plates that cover the earth are between how may kilometers thick?

  • 21. 
    In a convection current, ___________ material rises, while ____________ material sinks

  • 22. 
    What happens when a hot spot stays put but the plate above it keeps moving

  • 23. 
    What might happen to the new volcano Loihi, near the Hawaiin Islands

  • 24. 
    There are about how many active volcanoes?

  • 25. 
    What is the ring of fire and which plate does it surround?

  • 26. 
    The sliding of one plate under another is called what?

  • 27. 
    What is happening to the floor of the Atlantic Ocean due to movement of the plates under the ocean?

  • 28. 
    How does the great pressure of the ocean water change the rising magma?

  • 29. 
    Describe how volcanoes form.

  • 30. 
    How is it different when a volcano erupts under water as opposed to when it erupts above ground?

  • 31. 
    Describe the four different ways the Earth's plates move

  • 32. 
    What is the Ring of Fire and where is it located

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