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