Ninth Grade Computer Science Science Projects (6 results)

From cell phones to social media, computer science is a part of your daily life. Everything from traffic lights to medical devices requires both computer hardware and software these days. Creative problem solvers are using computer science to tackle social problems, improve agriculture, make great entertainment, and start exciting new companies. What could you create and innovate with a bit of tinkering and programming? Try your hand at one of these computer science projects to learn more about computers, program something interesting, or learn how to defend the cyber world. Whether you already know something about programming and computers or not, we have just the right project for you.

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Science Buddies Original
Science Fair Project Idea
How can you motivate students and teachers to make positive changes in their school? Why not try using what is in everyone's pocket—a smartphone! With this project you'll try your hand at harnessing the power of crowdsourcing and mobile technology by creating an app that motivates users to change their school for the better. Do not worry about the app creation, the MIT App Inventor tool makes that part easy; the instructions provided here will lead you through it step-by-step. … Read more
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Time Required Long (2-4 weeks)
Tinkering
Prerequisites None
Material Availability This Computer Science Project requires the use of a computer with Internet access. An Android device is helpful but not required.
Cost Very Low (under $20)
Safety No issues
Science Buddies Original
Science Fair Project Idea
Here's a project where you can try your hand at being a detective with your computer. In this project you'll write a program to do some basic analysis of features of written text (for example, counting the length of each word in the text, or the number of words in each sentence). Then you'll see if you can use the information from your text analysis program to find measurements that can distinguish one author from another. After analyzing known samples of several authors' writings, can… Read more
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Time Required Long (2-4 weeks)
Tinkering
Prerequisites An understanding of the material covered in "Paragraph Stats: Writing a JavaScript Program to 'Measure' Text"
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Buddies Original
Science Fair Project Idea
Use sound recording and analysis software to record voices of your family members. Can you figure out ways to identify each family member by just looking at the analyzed sound patterns from their voice (e.g., spectral frequency analysis)? Develop a hypothesis about what types of sound analysis will identify an individual. Have a helper record additional test files of your family members, without telling you which file belongs to whom. Unplug your computer speakers and see if you can… Read more
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Time Required Average (6-10 days)
Tinkering
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Science Buddies Original
Science Fair Project Idea
Learn how to edit sound files so that you can manipulate the recorded sound mathematically. You can either find specialized audio editing software or do background research to teach yourself about sound file structure so that you can write your own simple program to manipulate sound files. Try arithmetic operations on the sound values (e.g., adding or subtracting a constant, multiplying or dividing by a constant). How do these operations alter the sound? Try other mathematical… Read more
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Time Required Average (6-10 days)
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Science Buddies Original
Science Fair Project Idea
Have you ever wondered how it's possible to so accurately date ancient artifacts? Geologists, paleontologists, archeologists, and anthropologists use a statistical process like radioactive isotope decay to date objects through a method called radioactive dating (also known as radiometric dating). To learn more about that method, check out the geology science project How Old Is That Rock? Roll the Dice & Use Radiometric Dating to Find Out. In that particular Project Idea, radioactive… Read more
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Time Required Short (2-5 days)
Tinkering
Prerequisites Familiarity with a programming language and basic programming algorithms
Material Availability Readily available
Cost
Safety No issues
Science Buddies Original
Science Fair Project Idea
This project is a follow-up to the Science Buddies project Explore Optical Illusions: Build an Infinity Mirror, which shows you how to build a basic infinity mirror using light emitting diodes (LEDs) and arts and crafts materials. What if you wanted to build an infinity mirror that could change colors, like the one in Figure 1? Figure 1. A color-changing infinity mirror. You can do this by using special RGB (red, green, and blue) LEDs. Just like the pixels on a TV or… Read more
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Time Required Long (2-4 weeks)
Tinkering
Prerequisites Previous experience with electronics and an Arduino microcontroller is recommended. If not, you may need to complete some basic Arduino tutorials before attempting this project.
Material Availability This project requires an Arduino microcontroller, circuit components, and materials to build the mirror. See the Materials list for more information.
Cost High ($100 - $150)
Safety Short circuits can damage your Arduino or other electronic components. Always be careful when working with electronic circuits.

Cutting plexiglass can create jagged edges or small shards of material. Always wear protective eyewear when cutting plexiglass.

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