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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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Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.
Physical Science
Fifth Grade
The objective of this science fair project idea is to  determine if sound travels best through the air, water or a solid.
Physics
Elementary School
Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.
Physical Science
Tenth Grade
Will increasing the amount of salt in water effect how slow or fast the water freezes?
Chemistry
Third Grade
This science fair project uses paper chromatography to  investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.
Physical Science
Chemistry
Take a dive into the candy jar with this yummy science experiment.
Chemistry
Fourth Grade
How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!
Physical Science
Fourth Grade
Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.
Chemistry
Middle School

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