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Physical Science Projects & Project Ideas

Our team of professional scientists, science teachers and educational consultants has put together an excellent collection of free physical science projects for kids. These include physics science fair projects, science experiments, and demonstrations that help kids explore the world of classical mechanics, as well as other great physical science topics: our hair-raising magnet and electricity experiments are sure to spark your child's scientific curiosity. Whether you’re looking for science fair project ideas for your child’s upcoming science fair or your little one simply loves conducting physical science experiments, Education.com’s physical science section is a fantastic free resource.

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What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!
Electricity and Magnetism
Sixth Grade
Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.
Physics
Fifth Grade
Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!
Chemistry
Sixth Grade
In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!
Chemistry
Elementary School
In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.
Physics
Fifth Grade
In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.
Physics
Sixth Grade
It's easy to do science in the kitchen with these fantastic food experiments for kids. Little gastronomers will observe the enzymatic activity of pineapple, quantify the amount of grease in potato chips, and discover effective ways to inhibit (or encourage!) mold growth on bread with this series of fun and enriching science fair projects. Bon Apptit!
Chemistry
Science Fair Project Ideas
Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.
Electricity and Magnetism
Eighth Grade

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