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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 151 to 165 of 353
It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.
Psychology and Sociology
Elementary School
Science fair project that determines whether algae can be made to grow by feeding it supplementary carbon dioxide.
Engineering
Sixth Grade
.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.
Engineering
Sixth Grade
Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.
Psychology and Sociology
Second Grade
Test the idea that people who wear glasses tend to be more educated. True or false?
Psychology and Sociology
Sixth Grade
Is it a square or a circle? See if you can trick your friends with this zany science project!
Psychology and Sociology
Second Grade
Evaluate if people are more influenced by video or audio advertising.
Psychology and Sociology
Middle School
This science fair project idea discovers new ways to use recycled materials and encourages new architectural design ideas.
Engineering
High School
What is radial symmetry? Do this free science fair project and how easy it's to make and show radial symmetry. A great science project for kids.
Applied Science
Elementary School
In this free science fair project, explore the mechanics of a pantograph and how it work to change the size of drawing.  Great project for middle school kids.
Engineering
Middle School
This science fair project idea designs a unique, eco-friendly living space and  encourages advances in green architecture.
Engineering
High School
This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.
Engineering
Middle School
In this free science fair project, learn what a polygon is and explore the characteristics and patterns of polygons. Use Education.com for science project!
Applied Mathematics
Middle School

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