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