Across
- 2. a hill or mountain
- 4. plates grinding against each other
- 7. moving away from each other
- 8. before lava
- 9. long, narrow depressions on the seafloor
- 10. one plate slides beneath the other plate
Down
- 1. the rising or spreading due to heat making a current
- 3. plates overlapping
- 5. Crack or split
- 6. part of the earths crust structure