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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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In this free science fair project idea, we learn about how friction in the atmosphere causes meteors to become hot.
Physics
Elementary School
Find out if most people can distinguish the difference between tones on different instruments.
Physical Science
Seventh Grade
Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.
Chemistry
Kindergarten
Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?
Physics
Eighth Grade
Science fair project idea on designing a model of Galileo's thermometer and find relationship between the Fahrenheit, Celsius, and Kelvin temperature scales.
Chemistry
Middle School
The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.
Physics
Fifth Grade
Check out this fun science fair project idea on thermodynamics and determine the direction of energy transfer between two materials of different temperatures.
Chemistry
Middle School
This project tests the hypothesis that dark colors absorb more heat than light colors.
Physics
Elementary School
Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.
Physics
Seventh Grade

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