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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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Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.
Physical Science
Electricity and Magnetism
This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.
Physics
Second Grade
Is temperature a requirement for solar energy uses? This project tests this theory and examines the amount of usable sunlight for solar-energy applications.
Physics
Middle School
Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.
Chemistry
Fourth Grade
When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?
Electricity and Magnetism
Second Grade
This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.
Chemistry
Elementary 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
This science fair project what causes a soda eruption and what kinds of candy create this effect?
Chemistry
Elementary School
Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.
Physics
Fifth Grade
This science fair project idea explores the different properties & interactions of sugar molecules.
Chemistry
Elementary School
Examine the relationship between air pressure and the perceived loudness of sounds. Scream and whisper with and without a megaphone, contrast results.
Physical Science
Sixth Grade

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