Across
- 4. and solid center
- 7. and upper mantle
- 11. of heat from one solid object to another
- 12. Trench-long deep depressions in ocean floor
- 14. in the crust where earthquakes occur
- 15. Boundary-plates slide past each other
- 16. Valley-divergent boundary on land
- 17. Boundary-plates spread
Down
- 1. of heat energy through space
- 2. outer
- 3. solid rock below lithosphere
- 5. layer below lithosphere
- 6. Ridge-underwater mountain system or sea floor spreading
- 8. and downward movement
- 9. Boundary-plates move together
- 10. of heat in liquids and gasses=warm rises cool sinks
- 13. subercontinent