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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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This science fair project idea determines what household items are good conductors of electricity.
Electricity and Magnetism
Third Grade
The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.
Electricity and Magnetism
Elementary School
Science fair project that evaluates how well clothing fabrics block UV radiation by examining the properties of different fabrics.
Physical Science
Middle School
In this free science fair project idea, we construct gears to turn a simple machine into a more complex compound machine.
Physics
Elementary School
These science fair experiments demonstrate the chemistry of rust and the oxidation process.
Chemistry
Elementary School
Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.
Chemistry
Fifth Grade
Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.
Chemistry
Sixth Grade
Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.
Chemistry
Sixth Grade
Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.
Chemistry
Fifth Grade
Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.
Chemistry
Fifth Grade
Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.
Chemistry
Fourth Grade

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