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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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Explore concepts in current and coltage with these Van de Graaff generator experiments.
Physics
Electricity and Magnetism
When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?
Electricity and Magnetism
Second Grade
In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.
Physics
Aerodynamics
This science fair project idea explores the different parts of the human ear and  models how the human ear reacts to sound waves.
Physical Science
Elementary School
Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.
Physics
Middle School
Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.
Chemistry
Fourth Grade
This science fair project what causes a soda eruption and what kinds of candy create this effect?
Chemistry
Elementary School
This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.
Chemistry
Elementary School
In this physics project, learn about the relationship between light intensity and distance  using a laser pointer, flashlight, and graph paper!
Physics
Third Grade

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