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