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These biology experiments are designed for you to do at home or school using simple equipment. For some experiments, you may need a calculator. Here is a link to an excellent one provided by Web2.0calc.

To access experiments, click on one of the experiments listed below. In most cases, it is simplest to copy the experiment into a word processing program, and then print it out.

A Nervous Experiment

By Brittany Sanner

Do you think you need the same number of nerves in every part of your body? Where in your body might you need more nerves? See for yourself!
Also in: Español

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Air Pollution

By CJ Kazilek

The Phoenix metropolitan area, like many large cities, has problems with air pollution at certain times of the year. You can do a simple experiment to determine some of the factors that affect air pollution.

Catch and Sketch Plankton

By Colleen Miks
Learn to focus on detail and make keen observations that could be overlooked in a picture in this lesson on scientific sketching.


By Edward Birge

Microorganisms in action! Turn a pile of grass clippings into an experiment.

Dr. Biology's Virtual Pocket Seed Experiment

By Dr. Biology

Dr. Biology has been busy working on a new experiment and he needs your help. He has collected so much information from the experiment that he needs someone to analyze the data. All the results have been recorded in photographs, including some cool animations.
Also in: Español | Français

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Heavy Water

By Lynne Kelper

This activity explores how the temperature of water affects its density. You will need to gather the following materials: a pencil; a small paper cup; a small-mouthed, clear-glass jar (the cup should be able to sit inside the opening of the jar); three ice cubes; and food coloring.

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Hummingbird Lunch

By Amanda Sibley

These daredevil birds can be perfect subjects for a backyard experiment.

It’s a Plankton Eat Plankton World

By Colleen Miks

During this activity you will learn how to create your own food web. You will also analyze the feeding relationships between marine organisms and describe the importance of plankton to the ecosystem.

Manduca Caterpillar Growth Experiment

By Dr. Biology

Dr. Biology has teamed up with with the scientists in the laboratory of Jon Harrison and started an experiment to see how different temperatures can change how an animal grows. The Virtural Manduca Growth Experiment lets you see and graph the results. It also has some cool animations.

When Water Gets Icy

By Kyle Kinzler

In this experiment, we will look at one major difference between frozen freshwater and frozen saltwater.

Manduca Caterpillar

Try the new virtual manduca experiment. See these amazing animals grow.


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