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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 96
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
How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.
Weather and Climate
Second 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
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 project challenges students to study the salt content in tap water and learn about electrochemistry.
Electricity and Magnetism
Middle School
Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.
Electricity and Magnetism
Elementary School
Discover the force of water! This article provides step-by-step instructions for creating your own science experiment.
Electricity and Magnetism
Middle School
This article provides steps for making a rheostat, a small device that controls the voltage by a dial or knob. Great for science fairs!
Electricity and Magnetism
Middle School

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