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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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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
How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.
Physics
Tenth Grade
Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.
Physical Science
Third Grade
Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.
Chemistry
Sixth Grade
By dropping a magnet through a copper tube, kids observe the cool (and bizarre) braking effect produced by the eddy currents predicted by Lenz's law.
Physics
Electricity and Magnetism
Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water.
Chemistry
Middle School
For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.
Electricity and Magnetism
Second 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

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