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