plate tectonics

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Across
  1. 1. supercontinent that existed a long time ago
  2. 3. an explanation for why things happen supported by evidence
  3. 4. when 2 plates converge and 1 of the plates sink under the other
  4. 9. boundary moving towards
Down
  1. 2. creator of plate tectonic theory
  2. 5. boundary sliding past
  3. 6. boundary moving away
  4. 7. land mass rising
  5. 8. a long narrow cut in the ground / ocean floor
  6. 10. area of land that are low and in between mountains and hills