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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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The objective of this science fair project is to investigate salt water density.
Physical Science
Kindergarten
Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.
Physical Science
Sixth Grade
This free science fair project idea shows you how parallax decreases as distance from the object increases.
Physics
Middle School
Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!
Physics
Eighth Grade
In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.
Chemistry
Elementary School
In this free science fair project idea we try to mix water and oil, but we can only do it temporarily with an emulsion, like putting in an egg or shaking it.
Chemistry
Elementary School
This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.
Physical Science
Elementary School
Using a toy race car kids create a visual model of the Doppler Effect.
Physical Science
Physics
What is a compound microscope? Kids find out by making one of their own in this cool science fair project.
Physics
Third Grade

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