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