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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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This science fair project idea discovers the effect of (high) heat on animal cells.
Chemistry
Middle School
How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.
Physics
Second Grade
The objective of this science fair project is to investigate salt water density.
Physical Science
Kindergarten
This science fair project idea investigates if fats add to the flavor of food.
Chemistry
Elementary School
This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.
Physical Science
Elementary School
This science fair project idea  investigates if heat from direct sunlight is hotter than heat from reflected sunlight.
Physics
Elementary School
This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.
Physics
Elementary School
This science fair project idea  investigates how optical distances change the apparent size of an object as seen through a magnifying lens.
Physical Science
Elementary School
In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.
Chemistry
Elementary School
This project explores ways to prevent static electrical shocks.
Physical Science
Electricity and Magnetism
This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.
Chemistry
Elementary School
This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.
Physical Science
Third Grade
This science fair project idea investigates if webbed feet help a duck (and others) swim.
Physics
Elementary School

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