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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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Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.
Chemistry
Fifth Grade
Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.
Chemistry
Fifth Grade
Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.
Chemistry
Fourth Grade
Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.
Chemistry
Eighth Grade
Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?
Physics
Sixth Grade
Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.
Physical Science
Sixth Grade
Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?
Chemistry
Middle School
Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.
Physics
Sixth Grade
Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.
Chemistry
Seventh Grade
Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.
Physics
Sixth Grade

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