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