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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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Examine whether males or females are more likely to have a higher center of gravity.
Physics
Middle School
This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.
Chemistry
Elementary School
This science fair project idea explores how far the average human can see.
Physical Science
Middle School
Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.
Physics
Fifth Grade
This science fair project idea explores whether white light can be separated into different colors.
Physical Science
Elementary School
This science fair project idea investigates how magnetism can defy the force of gravity.
Physical Science
Elementary School
This science fair project idea explores  whether a plastic slinky works as well as a metal slinky when walking it down the stairs.
Physical Science
Elementary School
This science fair project examines whether ocean water can be made safe to drink.
Chemistry
Middle School
Check out this fun science fair project idea to determine the effect of temperature on carbonation in soda.
Physical Science
Fourth Grade

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