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Earthquakes and Volcanoes

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  • Lava is found _____ (inside, outside) of a volcano
    outside
  •  10
  • Fill in the blank: Magma is found ______ (inside or outside) of a volcano
    inside
  •  10
  • What is a whole on top of the volcano where ash dust and smoke called?
    crater
  •  15
  • This is type of the volcano that has a lot of seismic activity like smoke and ash coming out of the crater.,
    Active Volcano
  •  15
  • This type of the volcano is dead and will never erupt.
    Extinct Volcano
  •  10
  • Name the 4 layers of the Earth
    Crust, mantle, outer core, inner core
  •  10
  • How do earthquakes happen?
    because the tectonic plates always move causing the Earth to shake>
  •  15
  • What does dormant mean?
    Voplcano is sleeping/not erupted for a long time
  •  15
  • The Richter scale measures an earthquake's what?
    Magnitude
  •  15
  • What is a pyroclastic flow?
    Hot ash, dust, rocks and gases that rush down the volcano at high speeds.
  •  20
  • 'When 2 tectonic plates move apart from each other'. Which plate boundary is this?
    divergent boundaries
  •  15
  • 'When 2 tectonic plates move past each other'. Which plate boundary is this?
    Conservative boundaries
  •  15
  • True or False. Most of the earthquakes are so small that you can barely feel them.
    True
  •  5
  • What is the pool of magma at the bottom of the volcano is called?
    magma chamber
  •  15
  • Which type of volcano is made up of alternating layers of lava and ash?
    conduit
  •  10
  • What is opening on the side of a volcano called?
    secondary vent
  •  15