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,’s physical science section is a fantastic free resource.

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In this experiment we use Scotch Guard to make sand that resists water.
Physical Science
Middle School
Get cool physics science fair project ideas for advanced middle school and high school students on the power of air pressure by using soda can as an example.
Middle School
This experiment will explore whether adding different substances to a gel affects its strength.
High School
The purpose of this science fair project is to prove that mealworms exposed to an electromagnetic field will develop more quickly.
Electricity and Magnetism
Middle School
The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.
Physical Science
First Grade
This project examines what types of objects burn and which burn faster and cleaner.
Physical Science
Elementary School
Learn about this simple machine and make a pulley of your own to use for fun science trials.
Second Grade
The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.
Tenth Grade
In this project you will observe and record changes in sunspots over several days.
Physical Science
Middle School
Science fair project in which you will start a fire from scratch without using matches or a lighter.
Fifth Grade

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