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