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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 teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.
Chemistry
Fourth Grade
In this science fair project, you will determine the effect of the enzymes found in a detergent on cleaning different stains.
Chemistry
Middle School
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
Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?
Physics
Eighth Grade
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
Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.
Chemistry
Seventh Grade
In this free science fair project idea, we model how electrons transmit charges with magnets, to reflex the movement of an electric current.
Physics
Electricity and Magnetism

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