Ninth Grade, Computer Science Science Projects (22 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?

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Science Fair Project Idea
Imagine yourself as a software engineer, a decade and a half from now. You are called upon to help solve the world energy crisis by programming nano-organisms (NANORGs) to extract energy from industrial sludge. Your program must be small enough to fit in the NANORGs' tiny processors, yet at the same time meet several challenges. First and foremost, your NANORGs need to navigate on their own, extract energy from the sludge, and find collection points to deliver the harvested energy. Second,… Read more
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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 your… Read more
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What kind of music do you enjoy listening to? Hip hop, rap, classical, techno, or electronic? Do you know what most of them have in common? They rely on a drumbeat to provide tempo and depth to the sound. You might think of a drum as simply a large round vessel with a membrane covering that musicians strike with a drumstick, but musicians can create a synthesized drumbeat with an electronic keyboard or with electronic drums. In this science project, you will design and make your own… Read more
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Want to send coded messages to your friends? Can you write a simple letter-substitution encryption program in JavaScript? How easy is it to break the simple code? Can you write a second program that "cracks" the letter-substitution code? Investigate other encryption schemes. What types of encryption are least vulnerable to attack? Read more
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The Game of Life is the invention of the mathematician John Conway. It is a cellular automaton, consisting of a grid of squares that turn "on" or "off" depending on simple mathematical rules that involve neighboring squares. Depending on how the grid is first set up (i.e., the initial conditions), various interesting patterns appear. Can you write a Game of Life program (in JavaScript or any other computer language of your choice)? Can you think of ways to alter the rules that result in… Read more
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Computer Science Project: Program a model of radioactive decay to create the decay curve Read more
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Here's an interesting project idea with a variation that combines computer science, physics and music. You'll need a piano in a quiet room, a microphone and a computer with digital sound recording and analysis software. The project shows you how you can make a piano string start vibrating without hitting its key. You can record the sounds on the computer, and use sound analysis software to measure the frequencies of the induced vibrations. For more details see: How to Make a Piano Sing. Be… Read more
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Passports, identification cards, bus passes, and even some credit cards contain RFID tags. An RFID (radio-frequency identification) tag allows a card to be read by a computer from a short distance away. While this is very useful in everyday life, would you believe you can make music with it? RFID + sampled music sounds + a little crafting = a fun musical instrument that is limited only by your imagination. In this science project, you will make handbells out of paper cups that play real sounds,… Read more
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This is a challenging first computer science project. You'll learn the basics of how digital devices can represent numbers using only 0's and 1's, and you'll write a JavaScript program to convert numbers between binary, decimal and hexadecimal notation. Read more
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Science Fair Project Idea
Sleeping in class isn't allowed... unless you're a computer! In fact, the Environmental Protection Agency (EPA) suggests that putting your school's computers to sleep when they're not in use might reduce a school's energy bill significantly. In a study done at the North Thurston public schools in Olympia, Washington, EPA officials worked with the district to cut computer energy and costs by approximately $45,000 annually! How? By implementing a variety of power-management strategies for the… Read more
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Free science fair projects.