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