Micrometre facts for kids
A micrometre (the American spelling is micrometer; symbol is µm) is a unit of length in the SI measurement system. It can also be called a micron. It is one millionth of a metre.
A micrometre is often used as a measurement for cells like bacteria, because bacteria are very small too.
A micron is very small.
Images for kids
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How big is 1 micrometre?
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See also
In Spanish: Micrómetro (unidad de longitud) para niños
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Micrometre Facts for Kids. Kiddle Encyclopedia.