Chp 9 Voc

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Anonymous
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58372
Filename:
Chp 9 Voc
Updated:
2011-01-06 09:50:11
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Chp Voc
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Chp 9 Voc
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  1. a vent or fissure in the Earth's surface through which magma and gases are expelled.
    Volcano
  2. the body of molten rock that feeds a volcano.
    magma chamber
  3. an opening at the surface of the Earth through which volcanic material passes.
    vent
  4. a funnel-shaped pit near the top of the central vent of a volcano
    crater
  5. a large, semicircular depression that forms when the magma chamber below a volcano partiacally empties and causes the ground above to sink.
    caldera
  6. a wide, flat landform that results from repeated nonexplosive eruptions of lava that spread over a large area
    lava plateau
  7. the way lava flows
    viscosity
  8. an area of deep cracks that forms between two tectonic plates that are pulling away from each other
    rift zone
  9. a volcanically active area of Earth's surface far from a tectonic plate boundary
    hot spot
  10. magma that is blasted into the air and hardens
    pyroclastic material
  11. molten rock underground
    magma
  12. magma that flows on the earth's surface
    lava
  13. dust size particles of hardened lava
    ash
  14. a crack or opening in the Earth's crust
    vent
  15. vent on Earth's surface through which magma and gases are expelled
    volcano

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