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Part I

Reading Comprehension

Microbes

Microbes are really wonderful. They are everywhere! They live all
around you, on you and inside you! Microbes are very small, so you
can’t see them. But don’t worry. Some microbes make you sick but
most others keep you healthy and even help you to f ight disease.
There are so many different types of microbes. We still don’t really
know how many there are, but we know that microbes do lots of
different things. Bacteria and viruses are two important types of
microbes.
Bacteria are really important microbes. They are very small. They
have only one cell. Bacteria can live in any area of the earth. They
aren’t all bad; in fact you couldn’t live without some bacteria!
Viruses are among the smallest microbes on the earth, even smaller
than bacteria. They are different from bacteria because they cannot live
on their own. Viruses need to be inside a living cell to live and grow.
There aren’t many good things about viruses – they usually attack
your body and make you sick!

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LESSON

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