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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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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
Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.
Physics
Ninth Grade
How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.
Physics
Third Grade
Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.
Electricity and Magnetism
Sixth Grade
Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.
Anatomy
Chemistry
Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.
Chemistry
First Grade
In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.
Zoology
Anatomy
Are there really specific taste areas of the tongue for sweet, salty, bitter, sour, and umami? Find out for yourself in this cool science project.
Anatomy
Fourth Grade
High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.
Physics
Electricity and Magnetism
In this CD hovercraft science project, students will construct their own DIY hovercraft.
Physics
Fourth Grade
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.
Physics
Fifth Grade
In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.
Physics
Fourth Grade

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