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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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This science fair project idea explores how water and ice can change the form of rocks.
Elementary School
Geology
Enter the buzz worthy world of bee watching and find out what time bees like to wake up!
Third Grade
Zoology
Complete this free science fair project using plastic bottles, duct tape, and water and explore the formation and shape of tornadoes.
Elementary School
Earth & Space Science
This science fair project idea  develops an understanding through experimentation of which shapes are the most structurally strong.
Elementary School
Fourth Grade
In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.
Elementary School
Medium
What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.
Fifth Grade
Hard

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