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