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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 experiment, high school students determine if all proteins denature at the same temperature.
High School
Ninth Grade
In this fun science fair project, you will learn all about leaves, including their petiole (stalk), veins, blades, and more!
Middle School
Easy
In this science fair project, all you need is a tennis ball and stopwatch to model the use of sonar to determine ocean depths.
Middle School
High School
Examine the effect of pressure on carbonation in soda.
Elementary School
Fourth Grade
Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.
Middle School
Medium
Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.
Sixth Grade
Seventh Grade
Examine whether distilled water, spring water, or regular tap water yield faster plant growth.
Elementary School
Fourth Grade

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