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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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Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.
Chemistry
Fourth Grade
In this CD hovercraft science project, students will construct their own DIY hovercraft.
Physics
Fourth Grade
Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.
Psychology and Sociology
Eighth Grade
In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!
Physics
Fifth Grade
Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?
Aerodynamics
Fifth Grade
Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.
Electricity and Magnetism
Fifth Grade
In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.
Psychology and Sociology
Fifth Grade
How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!
Electricity and Magnetism
Fifth Grade
Check out 10 of our favorite chemistry experiments for kids. Little mad scientists can learn about endothermic and exothermic reactions, electrolysis, oxidation, and combustion with easy experimental procedures that enlighten young minds while minimizing the need for specialized equipment.
Chemistry
Science Fair Project Ideas
Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.
Physics
Sixth Grade
How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.
Psychology and Sociology
Seventh Grade

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