vocab part 2 for science

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Across
  1. 2. a series of extremely tall waves
  2. 4. the hypothesis that the continents move away from each other
  3. 6. a supercontinent that broke apart 200 million years ago forming our continents
  4. 8. when 2 plates move away from eachother
  5. 11. stress that pushes the mass in opposite directions
  6. 12. stress that stretches rock so it becomes thin in the middle
  7. 13. elongate depression of earths surface
Down
  1. 1. when 2 plates slide off eachother
  2. 3. a major belt of volcanoes that rims the pacific ocean
  3. 5. when 2 plates move towards eachother
  4. 7. when a oceanic plate sinks below a tectonic plate
  5. 9. a landform that is at last 1,000 feet high
  6. 10. stress that squeezes rock until it breaks or folds
  7. 12. a long narrow depression that forms at the boundary of tectonic plates