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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 76 to 90 of 101
Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.
Weather and Climate
Fifth Grade
The goal of this evaporation experiment is to learn about how different external conditions affect drying time.
Weather and Climate
Second Grade
The purpose of this science fair project is to determine which brands of batteries last the longest.
Electricity and Magnetism
Elementary School
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
Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?
Weather and Climate
Third Grade
This science fair project idea explores  if an LED light can be powered by vegetables and/or fruits.
Electricity and Magnetism
Middle School
This science fair project idea  determines what household items are good conductors of electricity.
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
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
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 which brand of batteries have the longest life.
Electricity and Magnetism
Elementary School

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