Education.com
Try
Brainzy
Try
Plus

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.

Sort by:
Showing 136 to 150 of 212
Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?
Second Grade
Third Grade
Science fair project that uses distillation to convert salt water into fresh water.
Seventh Grade
Eighth Grade
This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.
Fifth Grade
Easy
This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.
Elementary School
First Grade
Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.
Third Grade
Fourth Grade
Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.
Fifth Grade
Easy
Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.
Sixth Grade
Easy
In this free science fair project idea, we model what a comet looks like.
Elementary School
Astronomy
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

Share these projects with friends

clear all

Filter by

Subject