Science Buddies
Science Buddies: Career Profile: Biochemist
Science Buddies offers a career description of a biochemist. If you have an interest in both biology and chemistry, this might be a good fit for you. Read the "On the Job" section to find out all the different things a biochemist does....
Science Buddies
Science Buddies: Career Profile: Software Quality Assurance Engineer and Tester
If you like to have your computer software work perfectly, it's because of the software qualitiy assurance engineer and tester that makes that happen. Read the career profile of the software engineer and the education requirements for...
Science Buddies
Science Buddies: Career Profile: Computer Programmer
Computers are able to work only because computer programmers tell them what to do. This Science Buddies site lays out the requirements needed to become a computer programmer, as well as the education and job description. Included are...
Science Buddies
Science Buddies: Project Ideas: Processed Cheese
The goal of this cooking and food science fair project is to understand how processed cheese is made, and to determine which percentage of emulsifying salt produces the best processed cheese. The Science Buddies project ideas are set up...
Science Buddies
Science Buddies: Project Ideas: Get the Lead Out: Effects of P H on Lead Testing
Science fair project that investigates the chemistry of lead testing. The student will determine how the pH of the test solution affects the results of lead tests. The Science Buddies project ideas are set up consistently beginning with...
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Science Buddies: Project Ideas: No Whey! Milk Protein Content Changes
In this biochemistry science fair project, investigate how protein concentrations change in milk during different stages of cow lactation. The Science Buddies project ideas are set up consistently beginning with an abstract, objective,...
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Science Buddies: Project Ideas: Chemical Reaction Rate in Ultraviolet Beads
In this science fair project, experiment with the role temperature plays in the rate at which UV beads lose their color. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and introduction,...
Science Buddies
Science Buddies: An Uplifting Project: The Buoyancy of Balloons
In this science fair project, measure the "lift" of a set of balloons and track how it changes over time as the helium escapes from the balloons. The Science Buddies project ideas are set up consistently beginning with an abstract,...
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Science Buddies: Learn How to Disinfect Contaminated Water
Clean water is not a given everywhere in the world. In this science fair project, students will investigate whether sunlight could be used to disinfect contaminated water. The Science Buddies project ideas are set up consistently...
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Science Buddies: The Case of Mistaken Identity
Mysteries and detective stories have been popular since the time of Sherlock Holmes. The solutions to these fictional cases often involve untangling seemingly contradictory evidence from eyewitnesses. This project studies one procedure...
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Science Buddies: The Effect of Artificial Light on Migration Pattern of Daphnia
This elegant project employs a scientific approach that is particularly valuable in Environmental Science, but can be applied to other areas as well. The approach has three steps: 1) from your observations in the field, form a...
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Science Buddies:from Your John to the School Lawn:is Recycled Water Really Safe?
Find out whether reclaimed water is really safe by following the guidelines of the Science Buddies project.
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Science Buddies:testing Compression Waves
Here's a project for studying compression waves in different soil types. It uses a homemade wave tank for solids, with a frequency generator, amplifier, and loudspeaker as the vibration source. There are lots of interesting possibilities...
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Science Buddies: Solubility of Proteins
Some proteins are soluble in aqueous solutions and some are not. Insoluble proteins can be a problem because the proteins can form large aggregates in solution which are difficult to purify, crystallize, and use in experiments. Compare...
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Science Buddies: Hey Gear Heads! The Physics of Bicycle Gear Ratios
Here's an abstract of a project from Science Buddies that asks you to experiment with bicycle gears and the circumference of the wheel to determine revolutions per minute.
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Science Buddies: Chain Reaction: Inversion and the Pappus Chain Theorem
Here is a challenging problem for anyone with an interest in geometry. This project requires background research to solve it, but it is an excellent illustration of visual thinking in mathematics.
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Science Buddies: Growing, Growing, Gone! An Experiment on Nitrogen Fertilizers
Plants need nitrogen to build proteins and nucleic acids to grow healthy stems and leaves. Though the Earth's atmosphere is made up of 79% nitrogen, the form of nitrogen found in the atmosphere cannot be used by plants. In this...
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Science Buddies: Measuring Speed of Moving Objects With Stroboscopic Photography
A strobe light can illuminate an entire room in just tens of microseconds. Inexpensive strobe lights can flash up to 10 or 20 times per second. This project shows you how to use stroboscopic photography to analyze motion.
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Science Buddies: Ozone Depletion
The ozone layer is important for blocking most of the harmful radiation that comes from the sun. You can find maps of the ozone layer and compare different regions of the globe for ozone coverage. Some scientists think that aerosols in...
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Science Buddies: Porosity
Soils are made of particles of different types and sizes. The space between particles is called pore space. Pore space determines the amount of water that a given volume of soil can hold. Porosity is the percentage of the total volume of...
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Science Buddies: Composting and Vermiculture
Make your own fertile soil using kitchen scraps, manure, leaves, grass clippings, and other compostable materials. Which materials make the best compost?
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Science Buddies: Measuring Velocity With a Video Camera
A video camera records 30 "frames" or distinct images per second. (That's for an NTSC camera in the U.S. PAL cameras in other areas of the world take 25 frames per second.) You can use this fact to time events and measure velocity. One...
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Science Buddies: Camera 'Shakes'
You can compare the picture quality for photos taken at different shutter speeds with the camera handheld vs. with the camera on a tripod. (This is best done with a camera that has manual exposure control.)
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Science Buddies: Digital Image Processing
Students who are mathematically inclined can use the student version of a program like MatLab or Mathematica to convert a digital image into numbers, then perform operations such as sharpening or special effects. This is a great way to...