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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 science fair project explores different types of endangered frogs, and why some are endangered while others are not.
Ninth Grade
Hard
Science fair project that determines which types of clouds are best at blocking harmful UV radiation.
Sixth Grade
Seventh Grade
Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.
Middle School
Easy
Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.
High School
Easy
In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.
Second Grade
Ecology
A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?
Middle School
High School

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