Across
- 2. original supercontinent
- 6. movement of heat in liqids and gases mar rises cool sinks
- 9. crust and upper mantle
- 10. plates move toghther
- 11. solid outer layer
- 13. sideways and downward movment
- 14. hot solid rock below crust
- 15. movement of heat energy throught space
- 16. breaks in the crust where earthquakes occur
- 17. liquid and solid lithosphere
Down
- 1. underwater mountain system sea floor spreding
- 3. soft layer below lithosphere
- 4. plates slide past eact other
- 5. boundry plates spread
- 7. movement of heat from onesolid to another
- 8. long deep depressions in ocean floor
- 12. divergent boundary on land