- Cholera is a deadly disease.
- It is caused by a bacterium.
- The bacterium has tail-like parts.
- These tails are called flagella.
- Flagella help the bacterium move.
- Yale scientists looked at flagella.
- They used a very strong microscope.
- Their work may help make new drugs.
Difficult words
- deadly — causing death or likely to kill people
- disease — a sickness that affects people or animals
- bacterium — a very small living thing that can cause illness
- flagellum — a long thin part that helps movementflagella
- microscope — a tool that makes very small things look bigger
- scientist — a person who studies or tests thingsscientists
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Have you ever used a microscope?
- Can you name one disease?
- Would you like to be a scientist?
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