Boundaries and Sea Floor Spreading Review

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Across
  1. 2. This plate boundary occurs when two plates move toward each other
  2. 6. This landform is created at convergent boundaries
  3. 9. This is where new ocean floor is created
  4. 10. This plate boundary occurs when two plates slip past each other
  5. 11. This plate boundary occurs when oceanic crust sinks under continental crust
  6. 12. ______ Hess is the father of plate tectonics
Down
  1. 1. Alfred _____ is the father of Continental Drift
  2. 3. This is the upper portion of the mantle. Plates slide on this layer
  3. 4. This plate boundary occurs when two plates move away from each other
  4. 5. This is the technology that allowed us to map the ocean floor after WWII
  5. 7. The ____ rocks (hint- age) are closer to the trenches
  6. 8. This is the feature where old ocean floor is forced back into the Earth