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