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