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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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Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.
Physical Science
Sixth Grade
Discover which battery composition (type) lasts the longest.
Middle School
Physical Science
This free science fair project idea shows you how parallax decreases as distance from the object increases.
Middle School
Physics
Fun middle school science fair project idea on testing different methods of chromatography, color separation and measuring the flow rate of color pigments.
Middle School
Chemistry
Science fair project that uses iodine vapors to develop latent fingerprints on a non-porous object.
Middle School
Physical Science
Check out this fun middle school science project idea to learn about floating of objects and effect of solutes on the buoyancy and surface tension of water.
Middle School
Chemistry
Compare ability of selected materials to block UV-A radiation. Shine black light though glass at detecting beads underneath. Note color intensity.
Middle School
Physical Science
Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.
Physical Science
Fourth Grade
Science fair project that compares tap water and bottled water for the presence of common impurities.
Middle School
Physical Science
Check out this fun science fair project idea on thermodynamics and determine the direction of energy transfer between two materials of different temperatures.
Middle School
Chemistry
In this science fair project, you will determine the effect of the enzymes found in a detergent on cleaning different stains.
Middle School
Chemistry
Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.
Physical Science
Sixth Grade
Discover whether people can distinguish what a person looks like just by listening to their voice.
Physical Science
Seventh Grade

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