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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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This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.
Chemistry
Fourth Grade
Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can 'crash out' to form crystals when conditions change.
Chemistry
Third Grade
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
Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.
Chemistry
Third Grade
Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?
Physics
Eighth Grade
Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?
Physics
Sixth Grade
Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.
Chemistry
Fourth Grade
Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.
Physics
Seventh Grade
Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.
Physical Science
Chemistry
What is an optical illusion? Optical illusion is your eyes is playing trick. Do this free science fair project and experiment with creating optical illusion.
Physical Science
Physics
Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.
Chemistry
Fifth Grade
Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.
Physics
Fourth Grade

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