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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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In this science fair project, learn how to separate the parts of ink. Use Education.com to find free and fun science fair project ideas!
Chemistry
Middle School
This science fair project idea investigates whether air has mass and weight.
Physics
Kindergarten
The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.
Chemistry
Elementary School
How does stirring a liquid affect the rate at which a material dissolves in the solution? Find out with this science project using a straw and sugar cubes!
Chemistry
Middle School
A hydrometer is an instrument used to compare the density (mass per unit volume) of a liquid substance to the density of pure water. Learn how to make one!
Chemistry
Middle School
Matter is anything that has mass and volume. In this science fair project, learn about the three common phases of matter: solid, liquid, and gas.
Chemistry
Middle School
In this free science fair project idea, we analyze the swings of a pendulum of a grandfather clock and learn how mass affects it.
Physics
Middle School
In this free science fair project idea, we learn about how buoyancy keeps boats from sinking in the water.
Physics
Middle School
The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.
Chemistry
Middle School
In this free science fair project idea, we learn about how and why fresh water and salt water solutions change temperature at different rates (specific heat).
Chemistry
Middle School
This science fair project idea discovers the mechanism of laminar flow and  encourages technological progress based on this concept.
Physics
High School
In this free science fair project idea, we learn about how the surface area of a refrigerant affects the rate at which it cools objects.
Electricity and Magnetism
Chemistry

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