Plate tectonics

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Across
  1. 4. hot flowing fluid
  2. 5. hot fluid with the earth's crust
  3. 8. when two plates slide past each other
  4. 10. solid bulk of the earth's interior
Down
  1. 1. when to plates collide into each other
  2. 2. caused by a transform boundary
  3. 3. when two plates spread apart from each other
  4. 6. compactness of a substance
  5. 7. sideways and upwards movement of a plate
  6. 9. occurs during a divergent boundary