Across
- 3. when two plates move away from each other
- 7. harden melted material
- 8. a plate has __________
- 10. a planet
- 14. plates that collide
- 16. study of rocks
- 17. hard and solid material all shapes and sizes and colors
- 18. a hot liquid
- 19. to find about history on earth
- 20. the middle of earth
Down
- 1. thing that’s shakes a place violently
- 2. to form a rock
- 4. a plate that goes between the convergent boundary
- 5. mountains made of old magma
- 6. something that goes on top of each other over and over again
- 9. a obsidian that was made when magma was cooled down
- 11. large cracks
- 12. a hot flame that burns materials
- 13. melted material
- 15. two plates that slide past each other
