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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 84
Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.
Third Grade
Easy
This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.
Elementary School
Fifth Grade
This science fair project idea discovers the effect of (high) heat on animal cells.
Middle School
Easy
A great science fair project on solar oven design that helps kids learn about solar power and solar heating.
Seventh Grade
Eighth Grade
Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.
Fifth Grade
Medium
Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.
Middle School
Sixth Grade
This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.
Kindergarten
Elementary School
This project investigates the affect of storage temperature on microwave popcorn.
Elementary School
Third Grade

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