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