Across
- 5. a large underwater valley formed by subduction
- 6. when one plate moves under another
- 8. the theory of continental plates moving around on the earth's surface.
- 9. boundary two plates moving away from each other
- 10. two plates coming together
Down
- 1. word meaning all land
- 2. an underwater mountain range formed by a convergent boundary
- 3. two plates that slide against each other creating earthquakes
- 4. Alfred Weganer's theory
- 7. a mid ocean ridge forms when the sea floor grows bigger