Science Buddies
Science Buddies: Solar Powered Water Desalination
Here is a cool project about making fresh water from salt water using solar power, also known as water desalination. The apparatus is made from readily available materials, and the power source is free. As an inventive thinker, you will...
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Science Buddies: Make Your Own P H Paper
In this "kitchen chemistry" project about acid/base chemistry, you will measure the acidity or alkalinity of a solution using a logarithmic scale called the pH scale. As you learn about the pH scale, you will have the chance to make your...
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Science Buddies: Measuring the Amount of Acid in Vinegar by Titration
There are many different types of vinegar that you can buy to use around the kitchen for cooking and pickling. The chemical compound that gives vinegar its tart taste and pungent smell is acetic acid. In this experiment you will work to...
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Science Buddies: What Is the Maximum Intermediate Height for a Siphon?
If you have ever had a fish tank, you have owned an operating siphon. A siphon is a handy device for emptying out a liquid reservoir that has no drain. As a result, they are great for cleaning fish tanks. Liquid in a siphon flows...
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Science Buddies: Tiling With Spidrons
If art and math are both passions of yours, this project is meant for you! Spidrons are geometric forms made from alternating sequences of equilateral and isosceles (30 degrees, 30 degrees, 120 degrees) triangles. Spidrons were...
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Science Buddies: Honesty: How Prevalent Is It?
This project explores how well the honor system works for a bake sale-type charity donation. Find out if people are actually capable of honesty, or if they are only honest when they think someone is watching.
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Science Buddies: The Effects of Card Counting on a Simple Card Game
If you enjoy playing cards, this project will get you thinking about strategy in card games and help you become a better card player. Explore probability using computer simulations and the practice of counting cards.
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Science Buddies: What Makes Ice Melt Fastest?
If you live in a place that gets cold in the winter, you have most likely seen trucks spreading a mixture of sand and salt on the streets after a snowfall to help de-ice roads. This basic chemistry project gives you clues to discover how...
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Science Buddies: Saturated Solutions: Measuring Solubility
Many essential chemical reactions and natural biochemical processes occur in liquid solutions, so understanding the chemical properties of liquid solutions is fundamentally important. This project will challenge you to discover how much...
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Science Buddies: Don't You Fret! Standing Waves on a Guitar
In this project, you will investigate the physics of standing waves on guitar strings. You will learn about the different modes (i.e., patterns) of vibration that can be produced on a string, and you will figure out how to produce the...
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Science Buddies: Do Oranges Lose or Gain Vitamin C After Being Picked?
Are oranges highest in vitamin C when they are fresh from the tree (or, in a pinch, the grocery shelf)? In this project you'll learn how to measure the amount of vitamin C in a solution using an iodine titration method.
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Science Buddies: Crank Up the Music!
Cranked powered appliances and gadgets are becoming more and more prevalent. Items used in America such as flashlights and radios are one example. However, in third world countries, radios have many uses, some important and educational,...
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Science Buddies: Batteries: The Shocking Truth
Here you can find what you need to scientifically assess battery performance. In this exercise (that should take about one week) learn how batteries work, how they wear out and most importantly, how to make valid measurements to assess...
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Science Buddies: What Electric Bills Can Tell You About Energy Use
This project is a great way to "bring home" the concept of energy use. All you need to get started is a good-sized sample of monthly electric bills from households in your area. Building from this simple beginning, you can ask questions...
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Science Buddies: Now You're Cooking!
Here is a project that uses direct solar power, gathering the sun's rays for heating and sterilizing water or cooking. It's a low-cost technology that seems to have everything going for it. Use this project to find out if it works, and...
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Science Buddies: Making Species Maps
Conservation biologists know which places are important to protect. How nature guides know which animals can be found in which places, are made possible partly by conservation biology. This experiment allows you to discover how maps can...
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Science Buddies: Deep Knee Bends: Measuring Knee Stress With a Mechanical Model
Prosthetic limbs and artificial joints can help people with disease or injury lead a normal life. Sports medicine or physical therapy is also an area that relates to this experiment. Either way, this project serves as a good match if any...
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Science Buddies: Are You Left or Right Sided?
Our brains are split into two parts, right inside our head. One half is the left brain and the other half is the right brain. Each side of your brain controls different parts of your body and most people are more dominant controlling one...
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Science Buddies: Heart Rate Recovery Times
After exercise, your heart rate increases, this is normal for everyone. However this experiment asks whether the recovery time for a heart's beating rate is faster for people who get regular exercise versus those that do not.
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Science Buddies: Breath of Life: Does Exercise Increase Vital Capacity?
When you take a deep breath, the amount of air you are capable of holding within your lungs, is known as your lung capacity. It is not the same for everyone. This lab asks you to find out if it is possible to increase your lung capacity...
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Science Buddies: Measuring Your Threshold of Hearing
How your ears and your brain turn the sound waves out there in the world into the experience of music in your head, remains a mystery to many, but yet we all experience and even enjoy sounds and music. If you're interested in doing a...
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Science Buddies: Measuring Your Taste Threshold
Some people are more susceptible to flavors than others. This experiment asks you to test your threshold for the three types of taste our tongues are capable of experiencing: salty, sweet, and sour.
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Science Buddies: Twirls, Whirls, Spins, & Turns: Reflexes & Dizziness
Tilt-A-Whirls, Merry-Go-Rounds, Spinning Tea Cups. Just the thought of these rides is enough to make someone dizzy, or queasy. Learn about spins, turns, and the mixed signals that fire in our brains when the sensation of dizziness takes...
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Science Buddies: Can Garlic Prevent Crown Gall?
Crown gall is a plant disease caused by the soil bacterium Agrobacterium tumefaciens. This project uses tomato plants to investigate whether garlic extract can prevent crown gall infection. Though this is a lengthy experiment, a...