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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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Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.
Physical Science
Elementary School
Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!
Chemistry
Second Grade
Examine the effect of pressure on carbonation in soda.
Chemistry
Elementary School
Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.
Chemistry
Middle School
The objective of this science fair project idea is to  determine if sound travels best through the air, water or a solid.
Physics
Elementary School
Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.
Chemistry
Middle School
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
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
This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.
Electricity and Magnetism
Fourth Grade
This science fair project idea produces varying pitches of sound.
Physical Science
Elementary School

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