Science crossword

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Across
  1. 3. when to plates collide
  2. 6. when two plates separate
  3. 8. force created by sinking of a plate that pulls the rest of the plates
  4. 9. cold rigid outermost rocky layer of the earth
  5. 10. capable of being molded
Down
  1. 1. sinking of a denser plate below a more buoyant plate at a convergent plate boundary
  2. 2. when to plates collide
  3. 4. force created by rising mantle of the ocean and it makes plates move away
  4. 5. circulation of material
  5. 7. theory that earth surface moved over time