Science Vocab 5

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Across
  1. 3. The process by which oceanic crust sinks beneath a deep-ocean trench and back into the mantle at a convergent plate boundary
  2. 4. Stress that pushes a mass of rock in opposite directions
  3. 5. Stress that squeezes rock until it folds or breaks
  4. 7. Stress that stretches rock so that it becomes thinner in the middle
  5. 9. The name of the single landmasses that broke apart 200 million years ago and gave rise to today's continents
  6. 10. Elongate depression of the Earths surface
  7. 12. The hypothesis that the continents slowly move across Earths surface
  8. 13. A plate where 2 plates move toward each other
  9. 14. Long, narrow depression on the seafloor that forms at the boundary of tectonic plates where one plate is pushed, or subducts, beneath another
Down
  1. 1. A series of extremely low waves caused by a large and sudden displacement of the ocean, usually the result of an earthquake below or near the ocean floor
  2. 2. A plate boundary where 2 plates move past each other in opposite directions
  3. 6. A landform that rises at least 1,000 feet or more above its surrounding area
  4. 8. A plate where 2 plates move away from each other
  5. 11. A major belt of volcanoes that rims the Pacific Ocean