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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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Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.
Electricity and Magnetism
Sixth Grade
The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.
Physics
Sixth 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
This science fair project idea  develops an understanding through experimentation of which shapes are the most structurally strong.
Physics
Elementary School
In this project, you'll create Oersted's experiment, which relates to how electric currents create magnetic fields.
Physics
Middle School
In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.
Electricity and Magnetism
Chemistry
In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.
Chemistry
Fourth 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.
Chemistry
Fifth Grade

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