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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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Check out 10 of our favorite chemistry experiments for kids. Little mad scientists can learn about endothermic and exothermic reactions, electrolysis, oxidation, and combustion with easy experimental procedures that enlighten young minds while minimizing the need for specialized equipment.
Chemistry
Science Fair Project Ideas
Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!
Physics
Ninth Grade
High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.
Physics
Electricity and Magnetism
Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.
Chemistry
Fourth Grade
Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.
Electricity and Magnetism
Fifth Grade
Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.
Chemistry
Sixth Grade
The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!
Physics
Seventh Grade
The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.
Physics
Sixth Grade
In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!
Chemistry
Third Grade

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