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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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Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.
Chemistry
Seventh Grade
This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.
Physics
Fourth 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
This science fair project idea  researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.
Physical Science
Elementary School
Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?
Chemistry
Middle School
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
Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.
Physical Science
Middle School

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