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