Are microorganisms small?

The infinitely small
February 21, 2022

Microorganisms, small living beings that are invisible to the naked eye, are numerous and classified into five different categories. Discover them and have fun with Christelle’s challenge!

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Are you familiar with the five categories of microorganisms, those little living things that are invisible to the naked eye? Christelle invites you to discover them and to take up her challenge.

How big are they? How do we observe them? Answer these questions with our moderator and have fun calculating your size in micrometers.

Happy calculations!


This video is the last in a series of three videos entitled The fascinating world of microorganisms.

Did you like this video?

Join our scientific moderators, Christelle and Ilinca, for our video series, Human health under the magnifying glass!

#HumanHealthUnderThe MagnifyingGlass!

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