Across
- 7. Common Symbol in Math
- 9. Formed by the deposition of mineral
- 11. ____& variables
- 14. Science Method.
- 16. Types of book in nonfiction
- 18. Rise/Run
- 19. Water Cycle
- 20. The layers of earth
Down
- 1. Depression
- 2. the process is caused by natural agents
- 3. computer, school
- 4. Earth layer below the lithosphere
- 5. Mathematical operation
- 6. 2a
- 8. The calculation of Area uses Pi
- 10. not native to an ecosystem and causes harm
- 12. The rigid outer part of the earth
- 13. An intense suppressed emotion
- 15. corresponding in size or amount to something else.
- 17. Raining, stormy