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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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Showing 91 to 105 of 159
How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.
Weather and Climate
Third 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.
Weather and Climate
Elementary School
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.
Weather and Climate
Elementary School
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.
Weather and Climate
Elementary School
The purpose of this science fair project is to determine which brands of batteries last the longest.
Electricity and Magnetism
Elementary School
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.
Weather and Climate
Elementary School
The purpose of this study is to determine empirically the actual change of the world's climate over the past 100 years.
Weather and Climate
High School
Can magnets generates electric current? In this free science fair project, you'll explore how and why magnets product electric current.
Electricity and Magnetism
Elementary School
In this free science fair project idea, we learn about different forms of precipitation, such as snow, snowflakes and rain, and why they occur.
Weather and Climate
Middle School

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