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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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In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.
Middle School
Seventh Grade
This science fair project explores different types of endangered frogs, and why some are endangered while others are not.
Ninth Grade
Hard
How does cloud form and what causes its formation? Do this free science fair project and see how and why clouds form.  Great project for elementary students.
Elementary School
Earth & Space Science
Step by step free science fair project idea for you to explore the center of the hurricane and why the eye of the hurricane is motionless.
Elementary School
Earth & Space Science
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
How does hail form and what does it look like? In this free science fair project ideas, you'll learn how to create ice pellets that resemble hail.
Elementary School
Earth & Space Science
Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.
Fifth Grade
Sixth Grade
When there are dark clouds, rain is expected but how do raindrops begin? Do this free science fair project and explore the formation of raindrops.
Elementary School
Earth & Space Science
How do you measure the speed of wind?  It's measured using an anemometer. This free science project will teach you how to make an anemometer.
Elementary School
Earth & Space Science
Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.
High School
Easy
What causes wind? What causes the wind direction? Do this free science fair project and explore how wind move and what cause it. Project for elementary kids.
Elementary School
Earth & Space Science
In this free science fair project idea, we learn about different forms of precipitation, such as snow, snowflakes and rain, and why they occur.
Middle School
Earth & Space Science

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