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