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Volcanoes

Quiz by MARY MOORE

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17 questions
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  • Q1
    Which of the following is NOT a layer of the earth?
    core
    mantle
    magma
    crust
    30s
  • Q2
    What do you call molten rock inside the earth?
    magma
    mantle
    lava
    igneous
    30s
  • Q3
    Once magma flows outside of the earth it is called ________________.
    granite
    lava
    glacier
    mantle
    30s
  • Q4
    A volcano is ____________________________________
    a lateral blast
    A mountain that contains a pool of molten rock below the earth.
    caused by a landslide
    a glacier that has melted
    30s
  • Q5
    A volcano can
    make an island smaller
    move slowly across the land
    cause the temperature of the earth to decrease
    knock down an entire forest.
    30s
  • Q6
    Volcanoes form when _____________________.
    someone digs a really deep hole.
    magma from the earth's mantle works its way to the surface of the earth.
    a tidal wave forms.
    lava inside the earth cools
    30s
  • Q7
    A ___________________ volcano has not erupted for a long time, but may erupt one day.
    shield
    active
    extinct
    dormant
    30s
  • Q8
    An_______________________ volcano will most likely never erupt again.
    extinct
    active
    dormant
    ash flow caldera
    30s
  • Q9
    A volcano that is likely to erupt soon is said to be _______________________________________.
    active
    cinder
    dormant
    extinct
    30s
  • Q10
    ________________________________ inside the earth can cause a volcano to erupt.
    magma
    shields
    pressure
    lava
    30s
  • Q11
    A __________________________ volcano doesn't have violent eruptions, and usually have gentle slopes.
    composite
    shield
    ash flow caldera
    cinder
    30s
  • Q12
    An ___________________________ can form when a volcano erupts under water over and over again.
    tidal wave
    island
    cinder
    ash flow caldera
    30s
  • Q13
    An erupting volcano __________________________________________________.
    is usually very quiet
    is not dangerous at all
    can shoot out lava, ash and rocks
    pours magma over everything
    30s
  • Q14
    What is the difference between lava and magama?
    Magma is made of melted rock. lava is not.
    Lava is made of melted rock, magma is not.
    Magma comes out of a volcano, lava stays inside the volcano.
    Lava is found outside the earth's surface, magma is inside the earth's surface.
    30s
  • Q15
    The outside layer of the earth is the ____________________________.
    core
    mantle
    magma
    crust
    30s

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