Science Buddies
Science Buddies: Rise to the Occasion: Investigating Yeast Fermentation
Did you ever wonder how yeast makes bread dough rise? This project will show you what yeast does to make this happen. You'll also investigate the conditions yeast needs to grow.
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Science Buddies: Divide and Conquer: Proving Pick's Theorem for Lattice Polygons
If you like to play Tetris then you might like this project. You'll learn something interesting about the mathematics of complex shapes.
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Science Buddies: How Are Antibodies Used for Blood Typing?
The human immune system has various ways of responding to an infection caused by bacteria or viruses. Our bodies produce proteins (antibodies) that are highly specific for the infectious agent as a part of our "humoral" immune response....
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Science Buddies: Throwing You Some Curves: Is Red or Blue Longer?
This a straightforward, but interesting, project in geometry. It is a good first proof to try on your own. You should be able to figure it out by yourself, and you'll gain insight into a basic property of circles.
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Science Buddies: Build a Motorboat Powered by Surface Tension
If you look carefully, you could find dozens of similar interesting phenomena that are all linked to the surface tension of water. Here is a project that will help you understand and measure the properties of water surface tension.
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Science Buddies: How Fast Can You Shoot a Hockey Puck?
In this project, you'll need: a puck, a hockey stick, a tape measure, at least one helper with a stopwatch and an empty rink. Have your friend start the watch just as you make contact with the puck, and stop it when the puck hits the...
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Science Buddies: Think Fast!
Are you a piano player or a video gamer? Then you might have a quick reaction time that can come in handy while playing sports. Find out how to measure your reaction time and compare it to your friends and family with this fun experiment.
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Science Buddies: Exploring Fractals
Although fractal images can be intriguingly complex, fractals are more than just pretty pictures. In this project, you'll explore the mathematical properties of the famous Mandelbrot and Julia sets. You'll learn about how these images...
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Science Buddies: Paper Chromatography: Advanced Version 1
This project will teach you the basics of analytical chemistry, which is a must for students who want to go into chemistry or materials science. The molecules in objects we see all around us are constantly attracting each other....
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Science Buddies: Paper Chromatography: Advanced Version 2
Chromatography is a method used to separate mixtures of compounds and to identify each compound in the mixture. You may have separated the different inks in a black marker by using a strip of paper and water. There are many different...
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Science Buddies: Writing a Simple Calculator Program With Java Script
This is a good first-time programming project. You'll learn how to use JavaScript to create a basic calculator program that you can run in your Web browser.
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Science Buddies: Paragraph Stats: Writing a Java Script Program to 'Measure' Text
This is a challenging first-time programming project. You'll learn how to use JavaScript to create a simple program to analyze one or more paragraphs of text. Your program will count sentences, words and letters, and report the resulting...
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Science Buddies: Write a Java Script Binary/decimal/hexadecimal Converter
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...
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Science Buddies: Using Laser Pointer to Measure Data Track Spacing on C Ds, Dv Ds
You've probably noticed the colorful patterns "reflecting" from the shiny surface of a CD disk. What you are seeing is actually diffraction of white light, and the rainbows of color are diffraction patterns. In this project you'll learn...
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Science Buddies: Now You See It, Now You Don't: A Chromatic Adaptation Project
This project shows that our perceptions can change, even with the stimulus remains the same. A clear color difference in an image disappears after just 20 seconds of looking at another (special) image.
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Science Buddies: Eggs and Hen's Diet: Can You Get Bigger Eggs for Peanuts?
The goal of this project is to determine whether feeding chickens a dietary supplement of peanuts will result in larger and heavier eggs. If peanuts do increase egg size, a secondary goal will be to determine the optimal amount of peanut...
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Science Buddies: Point of a Parabola: Focusing Signals for a Better Wireless Net
Here's a project with practical applications for homes with a wireless network. This project shows you how to build and test parabolic reflectors for the transmitters on your network. You may be able to increase the range of your...
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Science Buddies: Boyle's Law
This is a modern version of a classic experiment by Robert Boyle on the compressibility of gases. Boyle discovered the relationship between pressure and volume of gases that now bears his name. This project shows you a simple method for...
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Science Buddies: Charles's Law
This is a modern version of a classic experiment by Jacques Charles on the volume of a gas at different temperatures. Charles discovered the relationship between volume and temperature of gases that now bears his name. This project shows...
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Science Buddies: Measuring the Surface Tension of Water
Did you know that when you dip your finger in water and pull it out, the water is actually pulling back on you? Here's a way you can measure how much.
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Science Buddies: How Fast Is Your Computer?
Computer technology continues to develop at a rapid pace. A new home computer is noticeably faster than a machine from five years ago, and dramatically faster than a machine from ten years ago. Exactly how much faster? This project will...
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Science Buddies: Solar Cell Power Output vs. Temperature
Solar cells provide a clean way of making electricity directly from sunlight. In this project you will build a simple circuit and experimental setup to investigate whether the power output of a solar cell changes with ambient temperature.
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Science Buddies: Cabbage Chemistry
This experiment is for all the kids out there who love boiled cabbage. Even if you don't like cabbage, perhaps you will like this amazing color-changing liquid you can make with cabbage. You'll learn which solutions around your house can...
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Science Buddies: A Soluble Separation Solution
Have you ever mixed together salt and pepper? Isn't it fun to see how all of those tiny grains of salt and pepper mix together. But what if you had to separate them out again? Do you have nightmares of tiny tweezers, a magnifying glass,...