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Science Fair Project Ideas

Education.com has assembled a vast collection of science fair project ideas written by science teachers, professional scientists, and educational consultants on popular science fair topics ranging from physics and chemistry to biology and even sociology. We offer free science fair ideas suitable for every grade level, be it preschool, kindergarten, elementary school, middle school, or high school. Check the boxes in the sidebar to filter your results, or use the search bar to find that perfect science fair project or experiment your child will be sure to love.

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Showing 1 to 15 of 328
In this experiment, the weight of aluminum cans will be compared.
Ecology
Elementary School
In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.
Psychology and Sociology
Middle School
Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.
Ecology
Third Grade
This project examines whether people who are frequent users of Facebook feel less or more lonely than infrequent Facebook-users.
Psychology and Sociology
Middle School
This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.
Ecology
Third Grade
Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.
Ecology
Third Grade
Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.
Ecology
Fourth Grade
Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.
Ecology
Elementary School
Little ones looking to get their hands dirty will love this series of fun plant experiments for kids that teach essential plant biology concepts such as photosynthesis, transpiration, capillary action, and tropisms in fun and hands-on ways. Little green thumbs get to do everything from literally cloning cabbage (which is actually quite easy to do, and very cool) to building their own working greenhouses. Check it out!
Ecology
Science Fair Project Ideas

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