Across
- 1. mountain chains
- 8. other term for transform boundary
- 9. a process where one plate sinks beneath the other plate
- 10. steep sided valley of ocean floor that created by subduction
Down
- 2. spreading boundary
- 3. predominantly sliding motion of transform boundary
- 4. other term for divergent boundary
- 5. two or more plates collide
- 6. part where an oceanic crust begins to melt when it is forced down
- 7. denser plate that usually subducted beneath the other