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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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Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.
Physical Science
Third Grade
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
Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.
Chemistry
Seventh Grade
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
Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.
Physics
Fifth Grade
Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.
Chemistry
Seventh Grade
Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.
Chemistry
Sixth Grade
This science fair project what causes a soda eruption and what kinds of candy create this effect?
Chemistry
Elementary School

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