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How does your biological clock affect your life?

Questions & Answers

What is the biological clock?

The biological clock is an internal process that regulates biological activities such as eating or sleeping.

Make it Your Own

Repeat this interesting experiment with a group of fish, or try changing the lighting of the aquarium. Make the aquarium dark during day time and bright during night time.


"What is your biological clock?" at the Essortment web site

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    This science fair project for 5th graders, requires time to observe the behavior of the fish before starting the experiment. Additional time is also required to condition the fish to a new feeding schedule.
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