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