Science Buddies
Science Buddies: Do Dilutions of Disinfectants Affect Bacterial Resistance?
This is a project that illustrates the process of natural selection in action. You'll need access to a laboratory for working with the bacterial cultures used in this project.
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Science Buddies: The End Zone: Measuring Antimicrobial Effectiveness
Antimicrobial agents are chemicals that are used against bacteria. There are many such agents available. Because there are many different situations where bacterial control is important, no antimicrobial agent is effective in all...
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Science Buddies: Minimizing Bacteria in the Thawing and Cooking of Meat
Here's a practical project that sheds light on safe practices in the kitchen. Use this information to determine which method of defrosting meat is safest and which method of cooking kills the most bacteria.
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Science Buddies: How the Strength of a Magnet Varies With Temperature
Physicists sometimes study matter under extreme conditions. For example, think of the emptiness of interstellar space vs. the unimaginable crush of pressure at the center of a neutron star, or an object dipped in liquid nitrogen vs. the...
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Science Buddies: Do Preferences Bias Our Choices?
In this science project you will test whether color preference will affect repetitive tasks that require fine motor coordination, like picking up small objects very quickly. Find out if your color preferences will bias these repetitive...
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Science Buddies: Teachers Rule!
Most students like their teachers. However, they may not always say so. Peer pressure may keep a student from expressing how they really feel. In this experiment you will find out if more students like their teacher in younger grades...
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Science Buddies: Effects of Food Preservatives on the Growth of Microorganisms
The problem of protecting food from spoilage has been with us since prehistoric times. The solutions to this problem have changed with advances in technology and knowledge about what causes food to spoil. This project uses liquid...
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Science Buddies: What Duration of Ultraviolet Exposure Kills Bacteria?
Ultraviolet light can damage DNA molecules. If a cell's DNA repair mechanisms can't keep up with the damage, mutations are the result. As harmful mutations accumulate, the cell eventually dies. How much ultraviolet light is too much for...
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Science Buddies: Distance and Constant Acceleration
This project is an experiment in classical physics. You'll be following in Galileo's footsteps, and investigating Newton's laws of motion, using a metronome as your timing device. This resource will help you get a firm understanding of...
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Science Buddies: Distance and Speed of Rolling Objects
This project is an experiment in classical physics. You'll be following in Galileo's footsteps, and investigating Newton's laws of motion, but you'll be taking advantage of modern video recording technology to make your measurements. The...
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Science Buddies: Measuring Sugar Content of a Liquid With a Laser Pointer
Here's a project that shows you how to use a laser pointer and some knowledge of physics to figure out the concentration of sugar dissolved in a liquid.
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Science Buddies: Frequency Dependent Sound Absorption
Want to start a garage band, but Mom or Dad won't let you because it will make too much noise? This is a good project for someone who is interested in acoustics and likes to build things. The objective of this project is to determine if...
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Science Buddies: How Do the Seasons Change in Each Hemisphere?
On a rainy day, do you ever wonder what the weather is like on the other side of the planet? Different regions around the globe can have very different seasonal weather patterns. In this experiment, you can test if these seasonal...
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Science Buddies: How Does a Wind Meter Work?
On a windy day it is hard to keep your hat on. The power of the wind can even be strong enough to power large wind turbines to make electricity. In this experiment, find out how you can make your own instrument to measure the speed and...
Science Buddies
Science Buddies: Testing Sunscreen Effectiveness
The goal of this project is to measure the effectiveness of different sunscreen products for blocking ultraviolet-A (UVB) and ultraviolet-B (UVB) rays from sunlight. This project shows you how to use a UV detector to measure rays of light.
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Science Buddies: How to Make the Boldest, Brightest Tie Dye!
The clothes you wear are made of fibers that come from many different sources. Some fabrics are made from natural fibers, and some from manufactured or totally synthetic fibers. In this project you'll explore how different fiber types...
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Science Buddies: The Swimming Secrets of Duck Feet
By comparing the feet of different water birds you can discover how they propel the birds through the water. This Science Buddies project show you how to modify swim fins to simulate ducks' feet, greebes' feet, and the feet of...
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Science Buddies: How Salty Is the Sea?
Have you ever been swimming at the beach and gotten some water in your mouth by mistake? Then you know that the ocean is very salty. Bodies of freshwater also contain some salt, but much less compared to oceans. In this experiment you...
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Science Buddies: Project Ideas: Whirl Y Bird vs. Whale Y Bird
Improve the design of a very simple aircraft, the whirlybird, and learn about hydrodynamics and biomimicry in this science experiment. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and...
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Science Buddies: Which Is the Better Insulation Material?
You've probably noticed that the price of gasoline can fluctuate a great deal from one year to the next. Using good insulation material is one way to conserve energy and save money. Learn here which insulation materials work better than...
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Science Buddies: Bacterial Resistant Materials and the Best Disinfectant
If you'd rate yourself high on the bacteriophobia scale, just keep on scrolling down to the next project. Bacteria are all around us, and normally our body's defenses keep us blissfully unaware of them. If you don't mind finding out...
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Science Buddies: Which Metal Is the Most Resistant to Corrosion?
Here's a practical engineering challenge: you need to build an enclosure for your dogs, using material that they can't chew through. It's going to be a lot of work to build, so you want to do it right. What material should you choose for...
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Science Buddies: Primary Productivity and Plankton
The oceans contain both the earth's largest and smallest organisms. Interestingly they share a delicate relationship linked together by what they eat. The largest of the ocean's inhabitants, the Blue Whale, eats very small plankton,...
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Science Buddies: Calculating the Circumference of the Earth
In this project, you will estimate the circumference of the earth, using a method developed about 2,200 years ago, by Eratosthenes, a Greek mathematician and the librarian of the great library at Alexandria, in Egypt.