Across
- 4. Breaks in the crust where earthquakes occur
- 6. Origanial supercontinent
- 7. Hot solid rock below crust
- 10. Solid outer layer
- 11. Sideways and downward movement
- 12. Movement of heat from one solid object to another
- 13. Plates slide past each other
- 15. Long deep depressions in ocean floor
- 16. Plates spread
Down
- 1. Underwater mountain system Sea-Floor Spreading
- 2. Divergent boundary on land
- 3. Plates move together
- 5. Movement of heat energy through space
- 8. Soft layer below lithospere
- 9. Crust and upper mantle
- 10. Movement of heat in liquids and gasses
- 14. Liquid and solid center