Middle School Science Fair 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,’s physical science section is a fantastic free resource.

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This science fair project idea will be examining oxidation and acid rain
Middle School
Physical Science
Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.
Fourth Grade
This science fair project idea investigates how images are influenced by changes in light.
Middle School
Physical Science
The purpose of this science fair project is to prove that mealworms exposed to an electromagnetic field will develop more quickly.
Middle School
Electricity and Magnetism
Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector
Physical Science
Sixth Grade
Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.
Sixth Grade
This experiment determines the distribution of darts around a bulls eye to simulate the probability of an electron's location in its own cloud of electrons.
Middle School
Physical Science

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