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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 31 to 45 of 522
This project examines the common belief that with increasing age, people are less willing to adopt new technology.
Psychology and Sociology
Fourth Grade
Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.
Health and Medicine
Fifth Grade
This science fair project idea  develops an understanding through experimentation of which shapes are the most structurally strong.
Engineering
Elementary School
This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.
Behavioral/Health Science
High School
This science fair project tests test whether the presence of spell check has changed standards for spelling.
Psychology and Sociology
Elementary School
It's easy to do science in the kitchen with these fantastic food experiments for kids. Little gastronomers will observe the enzymatic activity of pineapple, quantify the amount of grease in potato chips, and discover effective ways to inhibit (or encourage!) mold growth on bread with this series of fun and enriching science fair projects. Bon Appétit!
Food
Science Fair Project Ideas
The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.
Behavioral/Health Science
Psychology and Sociology
Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.
Engineering
Sixth Grade
This experiment evaluates which road-side objects have the greatest influence on driving speed.
Behavioral/Health Science
Middle School
This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.
Psychology and Sociology
Middle School
Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.
Engineering
Fifth 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.
Engineering
Sixth Grade

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