Achoo! The Most Interesting Book You'll Ever Read About Germs: Criss Cross

Answer clues based on the content and vocabulary words from Achoo! The Most Interesting Book You'll Ever Read About Germs. Look for hints in the Word Bank. Print the puzzle or use on your tablet, phone, or computer.

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Across

  • 6. A substance produced by special cells of the body that combines with an antigen and counteracts its effects.
  • 9. A positive ____ can affect the immune system.
  • 10. _____ soup is good for a cold.

Down

  • 1. Single-celled microorganisms that can cause diseases.
  • 2. A change in a living thing that indicates the presence of a disease or other physical disorder.
  • 3. A preparation of killed, weakened, or fully infectious microbes that is given (as by injection) to produce or increase immunity to a particular disease.
  • 4. Very tiny infectious agents that are too small to be seen with the ordinary light microscope.
  • 5. People in _____ don't get many colds because the viruses can't survive long enough in the frigid air to get from one person to another.
  • 7. Thousands of years ago, doctors determined what was making a person ill by covering him in _____.
  • 8. A microscopic living thing that can cause disease.

Word Bank

vaccine
bacteria
virus
germs
antibodies
symptoms
antarctica
homemade
attitude
mud