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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 experiment will explore if a randomly iterated algorithm will result in a pattern.
Physics
High School
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
Quench your thirst with great tasting lemonade while you explore the concepts of acid and base, and how these differ from sweet and sour.
Chemistry
Sixth Grade
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
What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.
Physics
Fourth Grade
This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.
Physical Science
Kindergarten
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
How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!
Physical Science
Fourth Grade
Use pepper and soap to discover some fun facts about the properties of water.
Chemistry
Second Grade
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

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