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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, Education.com’s physical science section is a fantastic free resource.

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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
This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.
Middle School
Physical Science
In this experiment, recycled objects are separated to demonstrate how mixtures are made and the variance in the physical properties of their ingredients.
Middle School
Physical Science
This science fair project investigates how temperature of a room affects the burn rate of a candle.
Middle School
Chemistry
This science fair project idea explores alcoholic fermentation at work by making your own soda.
Middle School
Physical Science
This science fair project idea discovers the effect of (high) heat on animal cells.
Middle School
Chemistry
Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.
Middle School
Chemistry
The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.
Physical Science
Seventh Grade
This science fair project idea explores  if an LED light can be powered by vegetables and/or fruits.
Middle School
Electricity and Magnetism
Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.
Physical Science
Sixth Grade
Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.
Physical Science
Seventh Grade

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