Across
- 3. movement of heat through empty space
- 6. crust and upper mantle
- 8. plates slide past each other
- 10. solid outer
- 12. underwater mountain system
- 13. long deep depressions in ocean floor
- 14. movement of heat in gasses and liquid
- 15. original supercontinent
- 16. plates move together
- 17. plates spread
Down
- 1. hot and solid rock below crust
- 2. breaks in the crust where earthquakes occur
- 4. movement of heat from one solid to another
- 5. sideways and downward movement
- 7. liquid and solid center
- 9. soft layer below lithosphere
- 11. divergent boundary on land