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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 explores whether boiling and freezing water will have an effect on how much it weighs.
Physical Science
Elementary School
This science fair project idea explores substances that cause a bubble to last longer.
Chemistry
Third Grade
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
This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.
Electricity and Magnetism
Fourth Grade
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
Test the combustion of different types of woods.
Chemistry
Middle School
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
Examine the effect of pressure on carbonation in soda.
Chemistry
Elementary School
Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.
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

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