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.
By Amanda Sibley
These daredevil birds can be perfect subjects for a backyard experiment.
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.
By Julie Dunlap, Esmeralda Manzano, Vanessa Vierkoetter, and Satina Sund
Have you ever wondered why you get sick? The answer is germs. Germs are tiny organisms that make you feel sick and cause disease. We are exposed to millions of germs every day. During this activity you will illustrate the steps germs take during transmission. You will learn about the different types of bacteria, how they are spread, and discuss ways to keep from getting sick.
By Angelina Alameda
Learn what makes leafcutter ants unique and understand how the different castes of ant work together to provide for the colony.
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.
By CJ Kazilek
It is difficult to think about tiny things we cannot see. This activity teaches you about scale by taking something we can see and imagining it magnify it several times to see the results.
By Daniel S. Brehony and Abel Torres
Have you ever thought about your favorite season, and why it looks and feels the way it does? This activity will help you see and understand why Earth has seasons, and the two things that work together to make seasonal changes happen.
By Melissa Wilson Sayres
Every living thing uses DNA as the instructions for life. But how can we be sure that something so small is actually there at all? Here is one experiment that you can do at home or school that will actually let you see DNA.
By Robin Greene, Karla Moeller, and Megan Rowton
Discuss ideas of natural selection, play a selection-based game, and take a trip through time to see how scientists of the past figured out just how a trait is passed from a parent to its offspring.