Across
- 3. Boundary plates move together
- 4. breaks in the crust where earthquakes occur
- 6. ridge underwater mountain system
- 8. liquid and solid center
- 9. movement of heat from one solid object to another
- 11. sideways and downward movement
- 12. original supercontinent
- 13. hot solid rock below crust
- 14. valley divergent boundary on land.
- 15. movement of heat energy through space
Down
- 1. crust and upper mantle
- 2. ocean trench long Deep depressions in ocean floor
- 5. boundary plates side past each other
- 6. soft layer below lithosphere
- 7. movement of heat in liquids and gases warm rises cool sinks
- 8. solid outer
- 10. boundary plates spread