Germ Theory

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Across
  1. 2. Tiny living things that can make people sick.
  2. 6. One of the first antibiotics discovered by Alexander Fleming.
  3. 7. When germs enter the body and cause sickness.
  4. 8. A person who studies and learns about the world through experiments and observations.
  5. 9. A medicine that helps protect people from disease.
  6. 11. Very small living things that can only be seen with a microscope.
  7. 12. A tool used to make tiny things look bigger.
Down
  1. 1. Heating food or drinks to kill harmful germs.
  2. 3. Tiny living organisms; some are helpful and some can cause disease.
  3. 4. The science of studying microorganisms and germs.
  4. 5. An illness that affects the body.
  5. 10. A medicine used to kill bacteria.