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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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What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.
Physics
Tenth Grade
In this physics project, learn about the relationship between light intensity and distance  using a laser pointer, flashlight, and graph paper!
Physics
Third Grade
Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.
Physical Science
Middle School
This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.
Physics
Second Grade
This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).
Physical Science
Chemistry
This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.
Chemistry
Elementary School
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
Construct batteries that make electricity from fruits with this fun science fair project.
Electricity and Magnetism
Fifth Grade
The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.
Physical Science
Elementary School
This science fair project idea explores the different properties & interactions of sugar molecules.
Chemistry
Elementary School

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