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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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Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.
Physical Science
Middle School
This science fair project explores how salt and sugar affect the melting rate of ice in water.
Chemistry
Middle School
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
This science fair project creates a visual model of whatâs happening to  sound waves as a car approaches and then leaves.
Physics
Fourth Grade
Compare the amount of ozone in various locations with this science fair project that will have your kid create her own ozone strips!
Chemistry
Seventh 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
What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.
Physics
Tenth Grade
This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.
Physical Science
Kindergarten

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