Plate Tectonics

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Across
  1. 3. when one plate is more dense than the other
  2. 5. 2 plates slide sideways
  3. 6. 2 plates come together
  4. 8. When the lava cools and hardens, it forms into a cone-shaped mountain
  5. 10. tectonic plates split apart from each other
Down
  1. 1. seafloor mountain system formed by plate tectonics.
  2. 2. form at the boundary of tectonic plate
  3. 4. 2 plates move away from each other
  4. 7. a lowland region that forms where Earth's tectonic plates move apart
  5. 9. molten rock