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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 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 explores how much force is needed to move a lever at different distances from the fulcrum.
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
This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.
Physics
Middle School
Demonstrate and explain holographic technology. Determine if a holographic image of a magnifier still magnifies the object beneath it. Explain the effect.
Physics
High School
Experiment with fermenting various fruits, grains or syrups. Describe and illustrate the fermentation process in a detailed report.
Chemistry
High 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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