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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The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.
Elementary School
Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.
Physical Science
In this free science fair project idea, we learn about how friction in the atmosphere causes meteors to become hot.
Elementary School
Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.
Science fair project idea on designing a model of Galileo's thermometer and find relationship between the Fahrenheit, Celsius, and Kelvin temperature scales.
Middle School

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