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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 explores how salt and sugar affect the melting rate of ice in water.
Chemistry
Middle School
Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.
Chemistry
Seventh Grade
Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.
Physics
Fourth Grade
In this science fair project, young children discover what happens when two fluids that have different densities get together.
Physical Science
Kindergarten
The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.
Physical Science
Elementary School
Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.
Physics
Fifth Grade
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

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