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Ninth Grade Science Fair Project Ideas

Children interested in engineering, applied math, or computer science will love this collection of applied science projects for kids. For kids who don't want to just make a paper mache volcano and call it a day, this collection of applied science experiments challenges them to explore the places where science and everyday life intersect, prompting them to build some cool things and address some intriguing questions.

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Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.
Ninth Grade
Applied Science
In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.
Ninth Grade
Applied Mathematics
Determine the maximum distance traveled by projectiles launched at an angle. Use some cool math to figure out at which angle your projectile will go farthest.
Ninth Grade
Applied Mathematics
In this science fair project, high school students will try to determine the mathematical patterns in JS Bach's two movement preludes and fugues.
Ninth Grade
Applied Science
In this cool robotics project, construct a motorized robot with a sensor and put it through a maze test to find the number of errors it makes along the way.
Ninth Grade
Engineering
Science fair project that determines whether algae can be made to grow by feeding it supplementary carbon dioxide.
Ninth Grade
Engineering
The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.
Ninth Grade
Engineering
Science fair project which breeds a pair of mice, a pair of rats and a mouse and a rat in order to learn about the difference.
Ninth Grade
Applied Science
This project involves the programming and development of a 3D Rubik's Cube application using C++.
Ninth Grade
Computers
Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.
Ninth Grade
Engineering
Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.
Ninth Grade
Computers

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