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