Volcanoes and Volcanism

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Across
  1. 2. A volcano that shows no signs of seismic or volcanic activity.
  2. 4. Solidified lava that explodes from a volcano.
  3. 5. The rate of temperature change with depth (into the earth).
  4. 7. Currently erupting or has been observed erupting in history.
  5. 8. Large amount of magma collected and cooled in one space.
  6. 10. Eruptions of bursts of gases that eject mostly pyroclastic materials.
  7. 12. A place where heated water rises to the surface of the earth as a liquid.
  8. 14. A depression at the top of a volcanic cone.
  9. 15. Magma above the surface of the earth.
  10. 17. Quiet eruptions of mostly low viscosity, basaltic lava
  11. 19. Thick layers of igneous rock that cover many places including the ocean floor.
  12. 20. Magma moving inside the earth's crust.
  13. 21. Anything having to do with molten earth materials.
  14. 22. The scale used to estimate the explosive power in a volcano.
Down
  1. 1. Energy created from magma inside or outside of the earth's surface.
  2. 3. Eruptions that eject both lava and pyroclastic materials.
  3. 6. Formed on top of the earth's crust.
  4. 9. A layer of loose pyroclastic materials and ash covering the ground.
  5. 11. An inactive, but eneroded volcano.
  6. 13. A place where hot or boiling water is forcefully ejected from the ground at regular intervals.
  7. 16. A hole in the earth's surface where lava can come out.
  8. 18. A depositional mountain landform built from solidified magma from deep in the earth.