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Middle School Science Fair Project Ideas

Great selection of middle school science fair project ideas. These science fair projects can help you find middle school level ideas for your science fair.

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Raise fish in different sized aquariums for 8 weeks. Document growth rate. Determine optimal volume for fish growth.
Middle School
Medium
In this free science fair project idea, we learn about buoyancy and how liquids push objects upward.
Middle School
Physics
In this free science fair project idea, we learn about how static fluids exert force on their environment.
Middle School
Physics
This science fair project idea compares biodiversity between drops of water.
Middle School
Elementary School
This project examines the concentration of dissolved oxygen in water, with and without oil.
Eighth Grade
Hard
The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.
Sixth Grade
Physics
What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!
Seventh Grade
Ecology
Is temperature a requirement for solar energy uses? This project tests this theory and examines the amount of usable sunlight for solar-energy applications.
Middle School
High School
This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.
Middle School
Elementary School
Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.
Third Grade
Fourth Grade
Science fair project that determines whether algae can be made to grow by feeding it supplementary carbon dioxide.
Sixth Grade
Seventh Grade

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