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 1 to 15 of 357
How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.
Sixth Grade
Ecology
This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.
Sixth Grade
Middle School
Do goldfish have a higher respiration rate than humans? Does size affect how fast you breathe? Find out in this fun science project!
Sixth Grade
Life Science
In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.
Sixth Grade
Electricity and Magnetism
This project examines whether and what associations exist between numbers and letters and colors.
Sixth Grade
Middle School
What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!
Sixth Grade
Electricity and Magnetism
This project explores whether plants can live and grow when 'watered' with juice, soda, or milk.
First Grade
Kindergarten
In this science fair project, students create their own miniature salt flats at home.
Sixth Grade
Fourth Grade

Share these projects with friends

clear all

Filter by

Subject
Recommended Learning Products
Trust Education.com to find smart things kids love
Unlimited Workbooks and Worksheets
90% of Students Understand Concepts Better Since Using PLUS
Reading and Math Program for Kids 3-7
300+ games and activities. Try it for free!