Across
- 3. moving weathered objects
- 4. speed and direction
- 8. left more reactive right less reactive
- 9. positive charge in the nucleus
- 11. a change in speed or direction
- 13. how fast you are going
- 15. the electrons on the outside ring
- 17. tell the number of valence electrons
- 18. breaking down objects
- 20. has all known elements listed on it
Down
- 1. outside the nucleus contains electrons
- 2. dropping of weathered objects
- 5. height above sea level
- 6. neutral charge in the nucleus
- 7. negative charge outside the nucleus
- 10. shows the elevation of land forms
- 12. contains protons and neutrons
- 14. tells the number or energy level
- 16. caused by a transform boundary
- 19. made by a divergent boundary