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 61 to 75 of 108
This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.
Elementary School
Fourth Grade
Science fair project that determines whether algae can be made to grow by feeding it supplementary carbon dioxide.
Sixth Grade
Seventh Grade
Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.
Third Grade
Fourth Grade
Since water has weight, it exerts pressure. In this science fair project, you will learn to determine a way to measure water pressure.
Middle School
Easy
In this science fair project, you will model the water cycle and learn about evaporation, condensation, precipitation, and collection.
Middle School
Easy
In this free science fair project idea, we learn about fault planes and faulting and how they separate the earth's surface from itself.
Middle School
Earth & Space Science
Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.
Seventh Grade
Ecology
Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.
Elementary School
Third Grade
In this free science fair project idea, we model Foucault's pendulum and the rotation of the earth around its axis.
Middle School
Earth & Space Science
Science fair project that measures the number of Calories in algae obtained from different environments to compare the amount of oil present in each sample.
Sixth Grade
Seventh Grade

Share these projects with friends

clear all

Filter by

Subject