Plate Tectonics Crossword Puzzle

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Across
  1. 2. (long, narrow depressions on the seafloor)
  2. 3. (instruments used to record the motion of the ground during an earthquake)
  3. 4. (a concentration or centring of attention on a stimulus)
  4. 7. Pull (The force exerted by the weight of the subducted slab on the plate it is attached to)
  5. 8. (an opening in the Earth's crust through which lava, ash, and gases erupt)
  6. 12. (the location on the surface of the Earth directly above where the earthquake starts)
  7. 13. (a planar fracture or discontinuity in a volume of rock across which there has been significant displacement as a result of rock-mass movements)
  8. 15. (a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.)
  9. 16. Plate Boundary (when two plates come together)
Down
  1. 1. Plate Boundary (occurs when two tectonic plates move away from each other)
  2. 2. Plate Boundary (occurs when two tectonic plates move past one another)
  3. 3. floor spreading (process in which tectonic plates split apart from each other)
  4. 5. Convection (Mantle convection describes the movement of the mantle as it transfers heat from the white-hot core to the brittle lithosphere)
  5. 6. (the great size or extent of something)
  6. 9. ridges (a sea floor mountain system formed by plate tectonics)
  7. 10. Push (The newly-formed plates slide sideways off these high areas, pushing the plate in front of them resulting in a _____-____ mechanism)
  8. 11. Waves (an elastic wave in the earth produced by an earthquake or other means)
  9. 14. of Plate Tectonic (Earth's outer shell is divided into several plates that glide over the Earth's rocky inner layer above the soft core)