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