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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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Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.
Chemistry
Fourth Grade
Get down to the rubber with this science project that tests the effectiveness of different types of erasers.
Physical Science
Second Grade
Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!
Aerodynamics
Elementary School
Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.
Chemistry
Fifth Grade
How powerful is the reaction between baking soda and vinegar? Find out here!
Chemistry
Third Grade
With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.
Physics
Fourth Grade
In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.
Physical Science
Chemistry
Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.
Physics
Seventh Grade
Science fair project that explores the phenomenon of Non-Newtonian fluids by exerting force on different materials.
Physics
Sixth Grade
This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.
Chemistry
Fourth Grade
Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can 'crash out' to form crystals when conditions change.
Chemistry
Third Grade
Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.
Chemistry
Seventh Grade

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