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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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This science fair project idea  investigates if heat from direct sunlight is hotter than heat from reflected sunlight.
Physics
Elementary School
The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.
Electricity and Magnetism
Elementary School
This science fair project idea investigates if fats add to the flavor of food.
Chemistry
Elementary School
Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.
Aerodynamics
High School
This science fair project idea discovers whether there are some objects that do not fall at a constant rate.
Physics
Elementary School
This science fair project idea discovers the principle of conservation of mass.
Physical Science
Middle School
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
These science fair experiments demonstrate the chemistry of rust and the oxidation process.
Chemistry
Elementary School
Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.
Physics
High School
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
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
Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.
Physical Science
Elementary School

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