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Unit 3 Volcanoes

Quiz by Stacy Hill

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26 questions
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  • Q1
    mountain that forms in Earth's crust when molten material (magma) reaches the surface
    volcano
    30s
  • Q2
    molten mixture of rock, gases and water that is in the Earth's mantle.
    magma
    30s
  • Q3
    molten rock, gases and water that are on Earth's surface
    lava
    30s
  • Q4
    a major belt of volcanoes around the Pacific Ocean
    Ring of Fire
    30s
  • Q5
    form volcanoes when magma rises between 2 plates that are moving apart at the boundary
    divergent boundaries
    30s
  • Q6
    form volcanoes where 2 plates collide
    convergent boundaries
    30s
  • Q7
    forms on a plate but not at a boundary; the hot spot stays in one place for millions of years while the plates move over them
    hot spot volcano
    30s
  • Q8
    pocket of magma beneath Earth's surface where magma collects
    magma chamber
    30s
  • Q9
    long tube that extends from Earth's crust up through the top of the volcano
    main vent
    30s
  • Q10
    opening where molten rock and gas leave the volcano
    vent
    30s
  • Q11
    the spread of lava as it pours out of the vent
    lava flow
    30s
  • Q12
    bowl shaped area that forms around the vent
    crater
    30s
  • Q13
    volcano that is erupting or will erupt in the near future
    active
    30s
  • Q14
    also known as sleeping; volcano that scientists expect to become active again
    dormant
    30s
  • Q15
    also known as dead; unlikely to ever erupt again
    extinct
    30s

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