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