Across
- 3. x-rays are a form of _______, like visible light
- 5. vaccines only work to protect against _________
- 7. the idea that organisms caused disease
- 9. medicine that kills or slows down the growth of disease-causing microorganisms
- 10. microscopic living things that cause disease
- 14. helped to show that microorganisms existed
- 15. a substance that is usually given by injection to people or animals to protect against disease
- 17. germs can live on ___________ for days
Down
- 1. created a vaccine against smallpox
- 2. made a vaccine for rabies
- 4. people's hands spread almost _________ percent of germs that cause sickness
- 6. the first antibiotic
- 8. single-celled microorganisms that exist everywhere and can be useful or harmful
- 11. this fuzzy fungus made bacteria disappear in the lab
- 12. a disease that is spread through polluted water
- 13. a picture that shows the inside of a body
- 16. remember and fight off disease if it enters the body after getting a vaccine