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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 study to determine some of the factors that affect air pollution.


Ant Farm

By Rebecca Clark

We can learn a lot from ants and the best way is to build your own ant farm. This activity teaches you how to make your own ant farm out of two CD cases.

skeleton arm

Bone Strength

By Arizona Science Center

Bones need to be both strong and flexible in order to do their job. Try this neat experiment to see what happens when bones lose either their strength or their flexibility. To explore the bones of the human skeleton, check out our Skeleton Viewer. To learn more, visit Busy Bones.

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.

Collecting Ants

By Rebecca Clark

There are several different ways to get ants for an ant farm, depending on when you would like to start the farm and how long you would like for your ant farm to last. This activity walks you through the basics of collecting ants.


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

heavy water thunbnail

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.

hummingbird perched on a cactus image

Hummingbird Lunch

By Amanda Sibley

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

Manduca Caterpillar

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


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