tectonic plates

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Across
  1. 2. large, powerful ocean wave generated by the vertical motions of the seafloor during an earthquake
  2. 3. point on earth's surface directly above the focus of an earthquake
  3. 7. a dropped zone were two tectonic plates are pulling apart
  4. 8. the branch of geology studying the folding and faulting of earth's crust
  5. 9. spot unusually hot area in earth's mantle where high-temperature plumes of mantle material rise toward the surface
  6. 11. ancient landmass made up of all continents that began to break apart about 200 mya
  7. 12. boundary place where two tectonic plates are moving apart
Down
  1. 1. boundary place where two tectonic plates are moving toward each other
  2. 4. plate massive slab of solid rock made up of earth's lithosphere
  3. 5. made up of crust and a tiny bit of the upper mantle
  4. 6. fracture or system of fractures in earths crust that occurs when stress is applied too quickly or stress is too great
  5. 10. boundary place where two tectonic plates slide horizontally past each other
  6. 11. boundary where two tectonic plates meet