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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 113
Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.
Science Fair Project Ideas
Seventh Grade
Little ones looking to get their hands dirty will love this series of fun plant experiments for kids that teach essential plant biology concepts such as photosynthesis, transpiration, capillary action, and tropisms in fun and hands-on ways. Little green thumbs get to do everything from literally cloning cabbage (which is actually quite easy to do, and very cool) to building their own working greenhouses. Check it out!
Science Fair Project Ideas
Chemistry
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
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.
Science Fair Project Ideas
Seventh 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
Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.
Science Fair Project Ideas
Fifth 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
The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.
Science Fair Project Ideas
Fourth Grade
In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!
Science Fair Project Ideas
Third Grade
Check out this cool science fair project on identifying rocks and minerals for kids.
Science Fair Project Ideas
Sixth Grade
The purpose of this science fair project is to build a basic radio.
Science Fair Project Ideas
Elementary School
Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.
Science Fair Project Ideas
Third Grade
The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.
Science Fair Project Ideas
Middle School
This science fair project uses paper chromatography to  investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.
Science Fair Project Ideas
Elementary School

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