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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 121 to 135 of 161
Generate gas from garbage. The purpose of this science fair project is to simulate how landfills generate gases that can be used to create energy.
Middle School
High School
This science fair project idea examines which type of insulation holds in the most heat.
Elementary School
Third Grade
Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.
Elementary School
Fifth Grade
Learn how milk freezes into ice cream. Does the fat content affect how quickly the milk freezes? What is salt's role in the freezing process?
Elementary School
Chemistry
Get a cool physics science fair project idea for advance middle school and high school students on measuring the Earth's magnetic field.
Middle School
High School
This science fair project idea outlines the principles and techniques behind paper batteries.
High School
Engineering
Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.
Elementary School
Fifth Grade
This project involves the programming and development of a 3D Rubik's Cube application using C++.
Ninth Grade
Hard
The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.
Eighth Grade
Hard

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