Across
- 5. mostly iron
- 6. system mesurement
- 7. the crust and upper mantle
- 9. a type of rock
- 10. to strech
- 12. oceanic trench
- 13. geologic faults
- 15. soild ball of hot iron and nickel
- 17. geologic process
- 19. bad jugement
Down
- 1. scientist
- 2. interdepent elements
- 3. is more then two thousand miles thick
- 4. move across the eaths surface
- 7. supercontint
- 8. comboined with three types of rocks
- 11. is usually mass
- 14. a rock
- 16. doing something active
- 18. dark color rock