science vocab

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Across
  1. 3. collision of Earth's plates
  2. 4. Atlantic Ridge ocean ridge located along floor of the Atlantic Ocean
  3. 5. outer layer of the Earth
  4. 8. fault Earth's plates slide past each other
  5. 9. layer of rock between the crust and the outer core
Down
  1. 1. separation of the Earth's plates
  2. 2. drift continents shift position on the Earth's surface
  3. 3. the Moho
  4. 6. innermost layer of Earth
  5. 7. tectonics scientific theory that the earth's plate are moving