Plate Tectonics

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Across
  1. 3. The type of boundary where two plates move away from each other
  2. 6. An opening in the Earth's crust through which lava, ash, and gases erupt.
  3. 7. the point on the Earth's surface directly above the earthquake's origin
  4. 8. A type of boundary where two plates slide past each othe
  5. 11. The type of boundary where two plates collide
  6. 13. Large sections of Earth's lithosphere that move and interact
  7. 14. What type of rock is created under high pressure and temperature
Down
  1. 1. The process by which new oceanic crust forms at mid-ocean ridge
  2. 2. Seafloor spreading and continental drift are believed to be caused by...
  3. 4. the movement of sediment from one location to another
  4. 5. the process by which rocks are broken down into smaller pieces
  5. 7. The shaking of the ground caused by the movement of tectonic plates.
  6. 9. What type of rock is formed from cooled magma?
  7. 10. What is it called when one plate goes under another
  8. 12. What supercontinent existed about 300 million years ago?