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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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Get a cool science fair project idea on various climatic seasons and find out the reasons why summer has the hottest and longest days.
Weather and Climate
Elementary School
Explore the fun facts on different species of animals in a tropical rain forest in this cool and interesting science fair project idea.
Weather and Climate
Middle School
In this free science fair project idea, we learn about how sympathetic vibration can cause resonance in formerly still objects with similar harmonies.
Engineering
Middle School
In this free science fair project idea, we learn about how particles can scatter light to create color.
Weather and Climate
Middle School
This science fair project idea discovers the practical applications for the structural design of a snail shell.
Engineering
Medium
In this free science fair project idea, we learn about fronts and how they move about and affect the weather.
Weather and Climate
Middle School
In this free science fair experiment, we learn how scientists use sonar and sound to facilitate ocean mapping of the ocean.
Applied Mathematics
Middle School
In this free science fair project idea, we learn about rotational energy and the effect of size on rotation.
Engineering
Middle School

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