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,’s physical science section is a fantastic free resource.

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This science fair project idea  provides evidence that air is everywhere and takes up space.
Physical Science
Elementary School
This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.
Physical Science
Elementary School
This science fair project idea  produces sounds by creating vibrations using different objects.
Physical Science
Elementary School
Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.
Physical Science
Middle School
The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.
Elementary School

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