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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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How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.
Chemistry
Third Grade
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
Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.
Physics
Middle School
This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.
Physical Science
Physics
This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.
Physics
Elementary School
Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.
Physics
Third 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
Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.
Chemistry
Second Grade
This experiment will explore if a randomly iterated algorithm will result in a pattern.
Physics
High School
This science fair project uses paper chromatography to  investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.
Physical Science
Chemistry
In this experiment you will replicate the mummification process by making a hot dog mummy.
Physical Science
First Grade
This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.
Physical Science
Elementary School
This project compares the strength of one, two, and three-ply toilet paper.
Physical Science
Elementary School
This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.
Chemistry
Second Grade
This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.
Physical Science
Chemistry

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