Across
- 3. the middle of the earth
- 4. to find out history about the earth
- 6. melted materials
- 8. hot liquid
- 9. plates that collide
- 11. when two plates that move away from each other
- 14. earths out _____
- 15. plates that slide past each other
- 17. pressure released
- 19. violent shaking
Down
- 1. harden melted material
- 2. a plate has _________
- 4. large cracks
- 5. mountains mad out of old magma
- 7. something that goes on top of each other over and over again
- 10. hard and solid material all shapes and sizes and colors
- 12. study of the earth
- 13. to form a rock
- 16. a hot flame
- 18. a planet we live on