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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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Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.
Chemistry
Third Grade
This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.
Physics
Elementary School
Does 'short circuit' mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.
Electricity and Magnetism
Middle School
Experiment with fermenting various fruits, grains or syrups. Describe and illustrate the fermentation process in a detailed report.
Chemistry
High School
How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.
Electricity and Magnetism
Third Grade
This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.
Physics
Middle School
This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.
Physics
Elementary School
This science fair project idea examines if there is a reason that musical notes are at the pitches they are.
Physics
Middle School
In this project, the affects of vitamin E are observed on a rose petal.
Chemistry
Elementary School
This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.
Physics
Elementary School
This science fair project idea explores what common compounds can be easily separated out in a centrifuge.
Physics
Middle School

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