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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 learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.
Physical Science
Fifth Grade
This project compares the strength of one, two, and three-ply toilet paper.
Physical Science
Elementary School
This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.
Physical Science
Elementary School
Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.
Chemistry
Middle School
This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!
Physics
Third Grade
How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.
Chemistry
Third Grade
Use pepper and soap to discover some fun facts about the properties of water.
Chemistry
Second Grade
Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?
Physics
Second Grade
This experiment examines if space objects become round after reaching a certain mass.
Physics
High School

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