Across
- 3. coming close together
- 4. The outer layer of the Earth
- 6. The heat transfers through space
- 8. A soft layer in mantle
- 9. A rigid layer in mantle
- 11. divide apart to different directions
- 13. This kind of rock is bright and with high silica
- 14. a device that bounces sound waves off underwater
- 15. All lands
- 16. trace of an ancient organism that preserved in rock
Down
- 1. The scientist who mentioned continental drift
- 2. When earthquakes occur, it happens
- 5. The heat transfers through the movement of fluid
- 7. The heat transfers through a touching material
- 10. ocean floor sink beneath a ocean trench and back to mantle
- 12. change in form