Across
- 2. group 17 on the periodic table
- 4. positive subatomic particle
- 6. the simplest of all atoms is this element
- 9. father of evolution
- 11. lizrds & alligators & snakes are these
- 14. there are 100 of these in a meter
- 15. team that won the Super Bowl in 1985
- 18. your favorite subject in school
- 21. element with symbol Ag
- 22. contains protons and neutrons in an atom
Down
- 1. the study of life
- 3. radioactive gas that can be found in basements
- 5. subatomic particle with a negative charge
- 7. Bears runningback who wore #34
- 8. most elements are this
- 10. metric unit of temperature
- 12. the periodic table has 118 of these
- 13. atomic number 2
- 16. the metric system is based on this number
- 17. most common gas in Earth's atmosphere
- 19. team that won the world series in 2016
- 20. all living things are made of these
- 21. player between the second & third baseman
