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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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The objective of this science fair project is to investigate salt water density.
Physical Science
First Grade
In this experiment, recycled objects are separated to demonstrate how mixtures are made and the variance in the physical properties of their ingredients.
Physical Science
Chemistry
This science fair project idea explores what common compounds can be easily separated out in a centrifuge.
Physics
Middle School
In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.
Physics
Chemistry
In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.
Chemistry
Fourth Grade
Science fair project that determines how your mirror image differs from your actual image and how virtual images are constructed.
Physical Science
Seventh Grade
Science fair project that determines how we can change potential energy into kinetic energy.
Physics
Seventh Grade
Science fair project that determines whether mass and weight are the same or different.
Physics
Fifth Grade
Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.
Chemistry
Third Grade
Science fair project that studies how perfumes are made in order to determine how we can capture a scent.
Chemistry
Eighth Grade
Test ability to distinguish between natural and artificial aromatherapy oils. Select fragrance, natural and synthetic sample. Volunteers state preference.
Chemistry
Middle School
Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.
Chemistry
Elementary School
Discover whether cold or hot water from the faucet will boil faster on the stove.
Chemistry
Elementary School

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