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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 actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.
Physics
Tenth Grade
The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.
Physical Science
First 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
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
In this science fair project, you will test for the presence of carbon dioxide when an acid and carbonate compound react.
Chemistry
Middle School
Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.
Physical Science
Chemistry
In this project students experiment with making music using only glasses of water.
Physical Science
Physics
In this science fair project, you will determine the effects of acids and bases on red cabbage. Use Education.com for free science fair project ideas!
Chemistry
Middle School
The objective of this science fair project is to investigate salt water density.
Physical Science
Kindergarten

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