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