Across
- 3. deep part of the ocean at a subduction zone
- 6. can occur at all boundaries, but more common at transform
- 8. two plates sliding by each other
- 10. caused by melting crust at a subduction zone
- 11. hot rises, cold sinks
- 13. discovered continental drift
- 14. one plate sinking under another
Down
- 1. divergent boundary on continental plates
- 2. Harry Hess discovered this at the mid ocean ridge
- 4. divergent boundary on between oceanic plates
- 5. formed when two continental plates collide
- 7. south america and this continent fit together like puzzle pieces
- 9. two plates moving away from each other
- 12. two plates moving toward each other