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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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Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.
Physics
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 discovers the effect of (high) heat on animal cells.
Chemistry
Middle School
Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.
Aerodynamics
High School
In this project, a magnet is used to collect iron from breakfast cereals.
Chemistry
Fifth Grade
This science fair project idea investigates if fats add to the flavor of food.
Chemistry
Elementary School
This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.
Physical Science
Elementary School
This science fair project idea  investigates if heat from direct sunlight is hotter than heat from reflected sunlight.
Physics
Elementary School
This science fair project idea investigates how color affects temperature.
Physical Science
Elementary School
This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.
Physics
Elementary School
This science fair project idea  investigates how optical distances change the apparent size of an object as seen through a magnifying lens.
Physical Science
Elementary School

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