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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 209
How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.
Applied Mathematics
Computers
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
Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.
Engineering
Fifth Grade
How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.
Applied Mathematics
Fifth Grade
This science fair project idea  develops an understanding through experimentation of which shapes are the most structurally strong.
Engineering
Elementary School
In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.
Engineering
Fifth Grade
In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.
Applied Mathematics
Ninth Grade
Are there really specific taste areas of the tongue for sweet, salty, bitter, sour, and umami? Find out for yourself in this cool science project.
Food
Fourth Grade
This science fair project teaches students the differences between fruits and vegetables.
Food
Elementary School
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
Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.
Engineering
Second Grade

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