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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 435
In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!
Chemistry
Third Grade
This project examines the common belief that with increasing age, people are less willing to adopt new technology.
Psychology and Sociology
Fourth Grade
Do people only 'hear' what they want to hear? Explore pareidolia and psychoacoustics  with this easy science fair project that pits melody against white noise.
Psychology and Sociology
Eighth Grade
Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.
Chemistry
First Grade
This science fair project idea discovers the average time it takes for a person to remember something completely.
Psychology and Sociology
Middle School
Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!
Psychology and Sociology
Eighth Grade
In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.
Psychology and Sociology
Middle School
Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.
Chemistry
Fifth Grade
In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.
Chemistry
Sixth Grade
In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.
Chemistry
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.
Chemistry
Second Grade
This science fair project idea explores whether mint, known for its √Ęcooling sensation√Ę really does lower temperatures.
Chemistry
Elementary School
This project investigates whether chewing gum can help a majority of people with focus and concentration.
Psychology and Sociology
High School

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