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