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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 31 to 45 of 102
The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.
Genetics
Middle School
Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?
Weather and Climate
Second Grade
Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.
Weather and Climate
Fourth Grade
Looking for a way to liven up a hot summer day? A little hands-on science is the perfect way to keep your kid occupied. So why not recruit your budding scientist and conduct an experiment or two?
Weather and Climate
Elementary School
Is your kid crazy about science? Check out this selection of advanced science projects that revolve around the sun.
Weather and Climate
High School
Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.
Weather and Climate
Second Grade
In this science fair project, you'll make a 'ghost' appear in a test tube, and learn about what happens when hot water and cold water interact.
Weather and Climate
Elementary School
In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.
Weather and Climate
Middle School
Find out whether people within a family tend to have matching fingerprints.
Genetics
Seventh Grade
Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.
Weather and Climate
Sixth Grade
Science fair project that examines condensation and the conditions needed in order for dew to form.
Weather and Climate
Second Grade
How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.
Weather and Climate
Middle School
Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.
Weather and Climate
Third Grade
This science fair project idea examines eye color genetics and the role it plays in eye color inheritance.
Genetics
Tenth Grade

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