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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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Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.
Physical Science
Sixth Grade
In this science fair project, you'll make a 'ghost' appear in a test tube, and learn about what happens when hot water and cold water interact.
Physical Science
Elementary School
.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.
Electricity and Magnetism
Sixth Grade
This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.
Physical Science
Chemistry
How powerful is the reaction between baking soda and vinegar? Find out here!
Chemistry
Third Grade
With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.
Physics
Fourth Grade
In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.
Physical Science
Chemistry
Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.
Physical Science
Middle School

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