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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 16 to 26 of 26
In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.
Fifth Grade
Engineering
In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.
Fifth Grade
Engineering
In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.
Sixth Grade
Physics
What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.
Second Grade
Engineering
Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.
Middle School
Electricity and Magnetism
This science fair project idea outlines the practical applications of particular origami folding techniques.
High School
Applied Mathematics
This science fair project idea explores  whether a plastic slinky works as well as a metal slinky when walking it down the stairs.
Elementary School
Fourth 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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