Across
- 3. solid outer
- 5. boundry plates spread
- 7. crust and upper mantle
- 8. how solid rock below crust
- 11. under water mountain system sea-floor spreading
- 13. sideways and downwerds movment
- 14. boundary plates slide past each other
Down
- 1. boundry plates move together
- 2. soft layer below lithosphere
- 3. warm rises cool sinks
- 4. liquid and solid center
- 5. ocean trench long deep depressions in ocean floor
- 6. original supercontenet
- 9. movment of enrgy through space
- 10. valley divergent boundary on land
- 12. movement of heat from one solid to another
