Across
- 4. rock that changes shape
- 5. layer of very hot rock
- 7. stress that pushes rock in two different directions
- 10. heat through two objects that are touching
- 13. good tested concept
- 16. who first discovered Continental Drift
- 17. breaks the Earth’s crust where the rocks has slipped past each other
- 18. a supercontinent discover by Wagener
Down
- 1. force that pulls on crust
- 2. metals like iron and nickel
- 3. energy that travels through space
- 6. ocean crust plunging below continental crust
- 7. a thing that bounces waves off of under water objects
- 8. a ball of solid metal Crust earths outer skin
- 9. force that squeezes rock together
- 11. layer of molten metal
- 12. any trace of something in preserved rock
- 14. occurs at deep valleys shaped like a V
- 15. caused from the heat from the core
- 18. like an egg shell that is broken into different parts