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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 293
Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.
Applied Mathematics
Engineering
Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.
Science Fair Project Ideas
Fourth Grade
Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.
Science Fair Project Ideas
Second Grade
This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.
Engineering
Elementary School
Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!
Science Fair Project Ideas
Eighth Grade
Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.
Science Fair Project Ideas
Fourth Grade
What's the difference between centripetal and centrifugal force? High school students will find out by seeing both in action while conducting this experiment.
Science Fair Project Ideas
Tenth Grade
In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!
Science Fair Project Ideas
Fifth Grade
Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.
Engineering
Fifth Grade
What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.
Science Fair Project Ideas
Third Grade
Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.
Science Fair Project Ideas
Fifth Grade
In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.
Science Fair Project Ideas
Fourth Grade
Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?
Science Fair Project Ideas
Ninth Grade
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.
Science Fair Project Ideas
Chemistry

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