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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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Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.
Weather and Climate
Ninth Grade
Explore this cool science fair project idea to have fun with colorful leaves and to  understand the color-changing process in deciduous leaves.
Weather and Climate
Middle School
Find a science fair project idea on rain forest canopy and explore the life that exists under the umbrella like covering over the rain forests.
Weather and Climate
Middle School
This experiment challenges students to forecast the weather based on the surrounding areas' weather.
Weather and Climate
Kindergarten
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
This science project challenges students to take learned information about weather and  climate control and apply it to larger issues like global warming.
Weather and Climate
High 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
In this free science fair project idea, we learn about how atmospheric pressure influences objects around us.
Weather and Climate
Middle School
Can you wink? Is you ability to wink genetic or simply based on chance? Find out in this science fair project idea!
Genetics
Sixth Grade

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