Across
- 2. Movement of hat in liquids and gasses = warm rises, cool sinks
- 4. Hot solid rock below crust
- 6. Breaks in the crust where earthquakes occur
- 9. movement of heat energy through space
- 11. movement of heat from one solid object to another
- 12. Trench Long deep depressions in ocean floor
- 13. Ridge underwater mountain system, Sea-Floor Spreading
- 16. Plates Spread
- 17. Liquid and solid center
Down
- 1. Crust and upper mantle
- 3. Plates move together
- 5. Original Supercontinent
- 7. Plates slide past each other
- 8. Soft layer below lithosphere
- 10. Sideways and downward movement
- 14. Solid outer
- 15. Divergent boundary or land
