Staying Healthy and Germs Quiz
Kindergarten · Science · Quiz
Test your knowledge of germs, healthy habits, and how your body stays well!
Questions
Which tool would you use to see germs?
- Telescope
- Magnifying glass
- Microscope
- Camera
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Answer: Microscope
A microscope magnifies objects thousands of times — powerful enough to see bacteria and other germs invisible to the naked eye.
All bacteria are harmful.
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Answer: False
Many bacteria are harmless or even helpful — bacteria in your gut help you digest food, and some are used to make yogurt and cheese.
Your body's natural defense against germs is called the ___ system.
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Answer: immune
The immune system is your body's defense network — white blood cells, antibodies, and other parts team up to fight invading germs.
How long should you wash your hands with soap?
- 1 second
- 5 seconds
- 20 seconds
- 5 minutes
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Answer: 20 seconds
Health experts recommend washing hands with soap for at least 20 seconds — about the time it takes to hum 'Happy Birthday' twice.
Getting enough sleep helps your body fight germs.
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Answer: True
During sleep, the immune system produces proteins called cytokines that fight infection and inflammation — skimp on sleep and your defenses weaken.
How do germs spread when someone sneezes without covering their mouth?
- Through roots in the ground
- Through tiny droplets in the air
- Through sunlight
- Through water pipes
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Answer: Through tiny droplets in the air
Sneezing and coughing releases thousands of tiny droplets carrying germs that can travel through the air and land on other people or surfaces.
A cold or flu is caused by a tiny germ called a ___.
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Answer: virus
Colds and flu are caused by viruses — tiny particles that invade your body's cells and multiply, causing symptoms like sneezing, fever, and fatigue.
Eating fruits and vegetables helps your immune system.
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Answer: True
Fruits and vegetables are rich in vitamins (like Vitamin C) and antioxidants that help the immune system fight germs effectively.
Which of these is a good hygiene habit?
- Never washing your hands
- Sharing food when you are sick
- Covering your mouth when you cough
- Not sleeping enough
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Answer: Covering your mouth when you cough
Covering your mouth (ideally with your elbow) traps droplets that carry germs, preventing them from spreading to others.
Germs are so tiny you cannot see them with just your eyes.
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Answer: True
Germs are microscopic — bacteria are about 1/1000th of a millimeter and viruses are even smaller — far too tiny to see without a microscope.
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