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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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Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?
Physics
Third Grade
Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling
into the moat.
Physics
Fourth Grade
This science fair project's objective is  to develop an understanding of  plant adaptations and survival.
Chemistry
Middle School
Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.
Chemistry
Middle School
Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?
Chemistry
Middle School
This science fair project idea  determines what household items are good conductors of electricity.
Electricity and Magnetism
Elementary School
This science fair project idea shows how a vibrating object transfers energy to whatever it touches.
Physical Science
Elementary School
This science fair project idea explores the different properties of matter.
Physical Science
Elementary School
This science fair project idea  provides evidence that air is everywhere and takes up space.
Physical Science
Elementary School
Learn about this simple machine and make a pulley of your own to use for fun science trials.
Physics
Second Grade
This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.
Physical Science
Elementary School

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