Contagion Worksheet
A science worksheet for 7th graders covering the basics of contagion, including types of pathogens, modes of transmission, and prevention.
Includes
Standards
Topics
Contagion: Understanding Germs and Illness
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Read each question carefully and answer to the best of your ability. This worksheet will test your knowledge of contagion, pathogens, and disease prevention.
1. Which of the following is NOT a type of pathogen?
Bacteria
Viruses
Fungi
Antibiotics
2. What is the most common way for respiratory diseases to spread?
Contaminated food
Insect bites
Droplets from coughs or sneezes
Direct contact with infected blood
3. A substance that stimulates the body's immune system to produce antibodies and provide immunity against a disease is called a .
4. Washing your hands frequently with soap and water is an important way to prevent the spread of .
5. Viruses are living organisms that can reproduce on their own outside of a host cell.
True
False
6. Antibiotics are effective against both bacterial and viral infections.
True
False
7. Briefly explain the difference between a virus and a bacterium.
8. Describe two ways to prevent the spread of contagious diseases in a school environment.
Look at the image of the virus below and answer the question.

9. Based on the general structure of a virus, why are they considered non-living by some scientists?