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