Across
- 2. divergent boundary of land
- 3. boundary plates slide past each other
- 4. long deep depressions in ocean floor
- 6. sideways and downwards movement
- 9. soft layer below lithosphere
- 13. movement of heat from one solid to another
- 14. boundary plates spread
- 15. movement of heat in liquid and gases
Down
- 1. crust and upper mantle
- 5. boundary plates move together
- 7. in crust where earthquakes occur
- 8. solid outer
- 10. original supercontinent
- 11. underwater mountain system
- 12. movement of heat and energy through space
- 13. liquid and solid center