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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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Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.
Second Grade
Third Grade
Is temperature a requirement for solar energy uses? This project tests this theory and examines the amount of usable sunlight for solar-energy applications.
Middle School
High School
What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!
Seventh Grade
Ecology
Looking for a way to keep your kid busy during the long, hot days of summer? These science projects will spark your young learner's curiosity going into the new school year. What's more, conducting an experiment or two is a great way to take your mind off the sweltering temperatures!
Elementary School
Physical Science
Is your kid crazy about science? Check out this selection of advanced science projects that revolve around the sun.
High School
Science Fair Project Ideas
Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.
Third Grade
Fourth Grade
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
Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.
Fifth Grade
Sixth Grade
Middle School
Weather and Climate
Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.
Fourth Grade
Weather and Climate

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