Plate Tectonic Terms

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Across
  1. 2. a region of extremely high pressure underlying the lithosphere, where rocks are deformed by enormous stresses. (depth of 100-350km)
  2. 6. the center of the earth
  3. 8. plates move away from one another
  4. 9. a form of stress produced by a force that acts to stretch a material
  5. 11. the upper layer of earths interior, including the crust and the upper brittle portion of the earths mantle
  6. 12. an area of rock that has been bent by stress
  7. 13. the otter layer of the earth
  8. 15. plates move toward one another
  9. 17. boundaries between plates
  10. 18. The theory that seafloors crack open along the crests of mid-ocean ridges and that new seafloor forms in those areas
Down
  1. 1. thick,dense,middle layer of the earth
  2. 3. a split between two bodies (for example, two plates) that once was joined
  3. 4. two plates slide past one another in opposite directions
  4. 5. sub marine mountain ridges where new seafloor is created by seafloor spreading
  5. 7. the theory thatthe configuration of Earth's continents was once different than it is today
  6. 10. an area of fracturing between rocks that has been bent by stress
  7. 14. a long trough bounded by two or more faults
  8. 16. large movable segments of the lithosphere