plate boundary cross word

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Across
  1. 4. The more dense plate slides underneath the other plate creating a subduction zone near a deep ocean ______
  2. 8. volcanos occur at ____ _____
  3. 9. plates sliding past eachother slowly build up _______
  4. 11. spreading at a ridge is a ______ ______
  5. 14. newly formed ____ _____ forced upward forms volcanic mountains
  6. 15. spreading at a rift zone is a _________ _______
  7. 16. boundarie's between ______ _______ that are coliding or moving togeather
  8. 19. the process when the ocean floor sinks
Down
  1. 1. plates collide and crumble up to form _____ __ _______
  2. 2. the older plate will be ______ and therefor more dense
  3. 3. when one plate slides underneath another plate
  4. 5. transform plate boundaries can occur between both ______
  5. 6. transform boundaries are when ___ plates slide past eachother
  6. 7. plates sliding create _______ ______
  7. 10. Divergent plate boundary( )
  8. 12. plates below the continent made up of granite
  9. 13. Transform Plate boundary( )
  10. 17. denser plates ____ under less dense plates
  11. 18. boundary between two plates that are moving apart or _______ is adivergent boundary