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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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Marshmallows are made of sugar, water, and air pockets.  Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?
Physical Science
Elementary School
This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.
Physical Science
Kindergarten
Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.
Physics
Eighth Grade
What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.
Physics
Tenth Grade
This science fair project idea  researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.
Physical Science
Elementary School
When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?
Electricity and Magnetism
Second Grade
Compare the amount of ozone in various locations with this science fair project that will have your kid create her own ozone strips!
Chemistry
Seventh Grade
Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.
Physics
Middle School

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