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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 do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.
Chemistry
Ninth Grade
Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).
Physics
Middle 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 engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.
Physical Science
Kindergarten
This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.
Physical Science
Physics
This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.
Physical Science
Physics
Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.
Chemistry
Eighth Grade
This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.
Physical Science
Chemistry
Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.
Physics
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

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