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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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This project explores whether plants can live and grow when 'watered' with juice, soda, or milk.
Life Science
Kindergarten
Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.
Life Science
Ninth Grade
This experiment investigates if stress alters body temperature.
Life Science
Middle School
Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!
Life Science
Sixth Grade
This science fair project idea determines which method of hand cleansing is the most effective.
Life Science
Elementary School
Do goldfish have a higher respiration rate than humans? Does size affect how fast you breathe? Find out in this fun science project!
Life Science
Sixth Grade
Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.
Life Science
Fourth Grade

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