The science of Sudden changes

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Across
  1. 1. An area in-between tectonic plates where magma seeps through
  2. 3. super-heated molten rock that is expelled from a volcan
  3. 7. When the ground violently shakes
  4. 8. A spinning "funnel" shaped phenomenon where wind can reach speeds of 300 mph
  5. 9. A solid shell deep beneath the surface of Earth
  6. 12. An opening that allows molten rock to escape
  7. 13. Can be a gradual and a sudden change of rock and debris moving down slope
  8. 14. An area in the pacific ocean where many disasters happen
Down
  1. 2. Massive rock plates that are on the crust of the Earth
  2. 4. an opening in the Earth which allows lava to flow through
  3. 5. A dark substance that is expelled from a volcano
  4. 6. When water is being pushed forward
  5. 10. A massive wave that can occur after Earthquakes
  6. 11. When a certain area is drowned in water
  7. 15. A thick crust that is deep beneath the surface of the Earth