Chapter 2 Keyword Revision

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Across
  1. 3. when plates collide and the heavier plate is pushed under the lighter plate
  2. 5. period of folding about 250 MYA when the Eurasian Plate and the African Plate collided
  3. 7. a person who studies volcanoes
  4. 10. a person who studies earthquakes
  5. 11. a large, destructive wave caused by an earthquake on the ocean floor
  6. 12. period of folding about 30-35 MYA when the Alps were formed
  7. 15. a volcano that erupts regularly
  8. 17. the point on the Earth's surface directly above where the earthquake begins
Down
  1. 1. the huge landmass where the continents were once joined together
  2. 2. the opening at the top of the vent of a volcano
  3. 4. a volcano that has not erupted in a long time, but may erupt again
  4. 6. the constructive boundary where two plates are pulling away from one another
  5. 8. uring the Earth's resources in a responsible way so that they are still available for future generations
  6. 9. the location in the Earth's crust where an earthquake begins
  7. 13. magma when it has reached the surface
  8. 14. a measure of the intensity of earthquakes
  9. 16. a volcano that will never erupt again