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,’s physical science section is a fantastic free resource.

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Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.
Sixth Grade
Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.
Fourth Grade
Get down to the rubber with this science project that tests the effectiveness of different types of erasers.
Physical Science
Second Grade
Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.
Physical Science
Sixth Grade
Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.
Fifth Grade
How powerful is the reaction between baking soda and vinegar? Find out here!
Third Grade
Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!
Elementary School
Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.
Physical Science
Sixth Grade
Examine whether males or females are more likely to have a higher center of gravity.
Middle School
Explore  the wattage of microwaves in relevance to cooking time.
Physical Science
Middle School

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