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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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Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.
Seventh Grade
Ecology
The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.
Seventh Grade
Eighth Grade
This project examines the concentration of dissolved oxygen in water, with and without oil.
Eighth Grade
Hard
Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector
Sixth Grade
Seventh Grade
This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.
Third Grade
Ecology
The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.
Middle School
Ecology
Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?
Sixth Grade
Eighth Grade
Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.
Sixth Grade
Seventh Grade
Science fair project in which you will start a fire from scratch without using matches or a lighter.
Fifth Grade
Sixth Grade
Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.
Fifth Grade
Sixth Grade
What can you do with hair after its cut? This science project teaches you practical uses for human hair.
Elementary School
Fifth Grade
In this project, the affect of acid rain is simulated by the acid, vinegar.
Third Grade
Chemistry

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