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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 love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.
Chemistry
Fifth Grade
This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.
Chemistry
Elementary School
Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!
Physical Science
Fifth Grade
Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.
Chemistry
Middle School
Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.
Chemistry
Middle School
Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.
Chemistry
Middle School
Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.
Chemistry
Eighth Grade
In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.
Physics
Chemistry
Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.
Chemistry
High School
This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.
Physical Science
Elementary School

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