volcano word list

Beth S.
10 words 53 learners

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Full list of words from this list:

words only definitions & notes
  1. plate tectonics
    the movement or study of the movement of Earth's crust
    The theory that explains this process is called plate tectonics.
  2. magma
    molten rock in the earth's crust
    Volcanoes are formed when magma from within the Earth's upper mantle works its way to the surface.
  3. erupt
    start suddenly
    An erupting volcano can trigger tsunamis, flash floods, earthquakes, mudflows and rockfalls.
  4. lava
    rock that in its molten form issues from volcanos
    Gases and rock shoot up through the opening and spill over or fill the air with lava fragments.
  5. earthquake
    vibration from underground movement along a fault plane
    An erupting volcano can trigger tsunamis, flash floods, earthquakes, mudflows and rockfalls.
  6. cascade
    a small waterfall or series of small waterfalls
    It's located in southwestern Washington State in the Cascade Range.
  7. extinct
    no longer in existence
    EXTINCT VOLCANO - An extinct volcano is a volcano that is no longer active.
  8. molten
    reduced to liquid form by heating
    A volcano is a mountain that opens downward to a pool of molten rock below the surface of the earth.
  9. geology
    science of the history of the earth as recorded in rocks
    (Graphic Credit: Geology Department at University of California, Berkeley)

    Click Here to learn more about plate tectonics and the drifting of our continents.
  10. temperature
    the degree of hotness or coldness of a body or environment
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Created on Thu Jun 16 15:05:24 EDT 2011 (updated Thu Jun 16 15:10:23 EDT 2011)

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