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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 46 to 60 of 484
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
This project investigates an interesting question: If one learns to write backwards, is one also able to read backwards?
Behavioral/Health Science
Elementary School
This experiment evaluates how a diet that is rich in 'mood-enhancing' foods affects the way people feel over several weeks.
Behavioral/Health Science
High School
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
Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.
Food
Third Grade
This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.
Psychology and Sociology
Middle School
This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.
Behavioral/Health Science
High 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
This experiment evaluates whether the phenomenon of 'choice blindness' occurs more often with men or women.
Behavioral/Health Science
High School
Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.
Health and Medicine
Seventh Grade
This science fair project idea  develops an understanding through experimentation of which shapes are the most structurally strong.
Engineering
Elementary School
In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.
Food
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
This cool music science fair project idea has kids determine the effect of music on memory. Can music improve our cognitive abilities? Why or why not?
Psychology and Sociology
Middle School

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