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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 106 to 120 of 159
Does an electric current affect a compass?  In this free science fair project, you can explore how and why electric current affect a compass.
Electricity and Magnetism
Elementary School
Can electricity produce a magnet?  Do this free science fair project and see how and why electricity can produce a magnet.  A great science project for kids.
Electricity and Magnetism
Elementary School
How can fuses protect electric wires from overheating? In this free science fair project, you can explore and learn how fuses protect wires from heating up.
Electricity and Magnetism
Elementary School
Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!
Electricity and Magnetism
Fourth Grade
The goal of this evaporation experiment is to learn about how different external conditions affect drying time.
Weather and Climate
Second Grade
Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?
Weather and Climate
Third Grade
How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.
Electricity and Magnetism
Third Grade
This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.
Electricity and Magnetism
Eighth Grade
Can electric current move through water? Do this free science fair project and explore whether water is an electrical conductor.  Great project for kids.
Electricity and Magnetism
Elementary School
What is an electrical conductor? Is aluminum an electrical conductor? Do this free science fair project and explore the qualities of electrical conductors
Electricity and Magnetism
Elementary School
This science fair project investigates which type of light bulbs are the best at producing flattering photographs in both flash and non-flash conditions.
Electricity and Magnetism
Middle School
This science fair project idea  determines what household items are good conductors of electricity.
Electricity and Magnetism
Elementary School

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