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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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Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.
Physical Science
Middle School
This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.
Physical Science
Third Grade
Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.
Physical Science
Elementary School
How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.
Physics
Second Grade
In this experiment we use Scotch Guard to make sand that resists water.
Physical Science
Middle School
Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.
Physical Science
Elementary School
The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.
Physics
Ninth Grade
Science fair project that measures the number of Calories in algae obtained from different environments to compare the amount of oil present in each sample.
Physical Science
Sixth Grade
Science fair project that examines whether different types of algae produce the same amount of oil by comparing the surface beading of water droplets.
Physical Science
Sixth Grade
Science fair project which determines whether the depth of a boat in the water changes how fast it moves and how straight it sails.
Physics
Fifth Grade

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