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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's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!
Chemistry
Fourth Grade
With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.
Physics
First Grade
The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.
Physics
Middle School
Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.
Physical Science
Third Grade
Examine the relationship between air pressure and the perceived loudness of sounds. Scream and whisper with and without a megaphone, contrast results.
Physical Science
Sixth Grade
This science fair project idea explores the different parts of the human ear and  models how the human ear reacts to sound waves.
Physical Science
Elementary School
Explore concepts in current and coltage with these Van de Graaff generator experiments.
Physics
Electricity and Magnetism
Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.
Physics
Eighth Grade

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