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