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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 idea investigates how magnetism can defy the force of gravity.
Physical Science
Elementary School
This science fair project examines whether ocean water can be made safe to drink.
Chemistry
Middle School
In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.
Physical Science
Chemistry
Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.
Physics
Fifth Grade
Check out this fun science fair project idea to determine the effect of temperature on carbonation in soda.
Physical Science
Fourth Grade
Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.
Physics
Second Grade
How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.
Electricity and Magnetism
Middle School
The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.
Chemistry
High School
How powerful is the reaction between baking soda and vinegar? Find out here!
Chemistry
Third Grade
Get down to the rubber with this science project that tests the effectiveness of different types of erasers.
Physical Science
Second Grade
This science fair project idea explores whether white light can be separated into different colors.
Physical Science
Elementary School

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