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Science Fair Project Idea
Have you ever wondered how X-rays affect living organisms? You have probably had X-rays taken at the dentist's or doctor's office. These X-rays are considered to be relatively safe, but every X-ray exposes a person to some radiation, specifically electromagnetic radiation. Radiation is energy that travels through space as either waves or high speed particles. Watch this video to learn more about electromagnetic radiation. When the energy in X-rays encounters… Read more
MicroBio_p030
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Time Required Long (2-4 weeks)
Prerequisites Basic understanding of what radiation, DNA, and mutations are.
Material Availability See for a detailed list of materials that will need to be ordered.
Cost Very High (over $150)
Safety See for safety information.
Science Fair Project Idea
When you have your X-rays taken at the dentist's or doctor's office, do you ever wonder how the X-ray machine works? Or better yet, how you could make one yourself to use for experiments? This how-to guide provides detailed instructions for high school students and adult do-it-yourself (DIY) enthusiasts to construct and use a homemade X-ray machine safely. Read more
Phys_p083
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Time Required Long (2-4 weeks)
Prerequisites A basic understanding of radiation and [# ProjectGuide Name="Advanced.AnIntroductiontoRadiationSafety" Value="HtmlAnchor" HtmlText="radiation safety" #] is necessary before starting this science project.
Material Availability Many of the items for this science project, including the x-ray tube, need to be specially ordered. See the Materials & Equipment section for more details.
Cost Very High (over $150)
Safety A good understanding of , proper radiation shielding materials, and supervision by an adult are required for this science project. The X-ray machine must be operated in a properly shielded place away from passersby. The X-ray machine requires a high voltage power supply; the output from the voltage supply can be deadly if mishandled.
Science Fair Project Idea
Watching fish swim around a tank is not only a soothing activity, but (along with learning how to care for the aquarium inhabitants) it is also a good introduction to ichthyology, the study of fish. But having pet fish doesn't have to be a passive hobby; you can put those fish to work by helping to grow food for you and your family. How? By designing and building an aquaponics system. Aquaponics combines hydroponics with aquaculture. Hydroponics is the science of growing plants without… Read more
EnvEng_p032
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Time Required Very Long (1+ months)
Prerequisites Read the following Science Buddies resource on [# ProjectGuide Name="Advanced.MeasuringPlantGrowth" Value="HtmlAnchor" #]
Material Availability Readily available
Cost Very High (over $150)
Safety Use caution when using drills and power tools. Be sure to wear safety goggles. Adult supervision is required.
Science Fair Project Idea
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.) Read more
Photo_p017
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Time Required Average (6-10 days)
Science Fair Project Idea
Is soil structure an important factor in earthquake dynamics? Investigate soil liquefaction and how different soil types respond to earthquake movements. Are movements more dramatic in sandy/loamy or clay type soils? Which soil structures are most stable? Which are the most volatile? (MCEER, 2005) Read more
Geo_p037
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Time Required Average (6-10 days)
Science Fair Project Idea
In the Science Buddies project , you can learn about the basics of magnetic induction, or how moving magnets can be used to generate an electric current. The detailed physics of how a changing magnetic field can induce an electric current are described by Faraday's law and Lenz's law (see the Bibliography for more information about these two laws). For a more advanced version of the Human-Powered Energy project idea, try setting up an experiment to prove or demonstrate these two laws,… Read more
Phys_p097
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Time Required Average (6-10 days)
Prerequisites This project requires a high-school level understanding of electromagnetism, or a willingness to learn about it.
Material Availability A kit containing the materials for this project is available in the . Estimated project time includes shipping.
Cost Average ($40 - $80)
Safety Neodymium magnets must be handled carefully. Please see the detailed warnings in the Procedure.
Science Fair Project Idea
Have you ever had to take prescription medicine to get over an illness? To get better, it is important to take the medication in the proper manner and at the proper time. Wouldn't it be cool if there were a tool or piece of automated equipment that held your medicine and reminded you to take it? A tool that would know when you picked up the bottle and took your medicine? Building a smart medicine cabinet is what this science project is all about! Read more
Elec_p067
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Time Required Short (2-5 days)
Prerequisites None
Material Availability If you decide to extend the sensor project, you will have to purchase a board and LEDs.
Cost Average ($50 - $100)
Safety Always wear safety goggles when operating and using tools. Adult supervision is recommended.
Science Fair Project Idea
Do your parents like to garden? Then you might have a beautiful lawn surrounded by flowers, or a vegetable garden. Humans have been introducing plants to our landscapes for centuries, which has dramatically altered the natural habitat of many environments. Chances are, the landscape you live in is not a natural landscape. One movement is to restore these habitats by re-introducing native plants. Conduct a survey in your area looking for native and non-native plant species. You can take… Read more
EnvSci_p030
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Time Required Long (2-4 weeks)
Science Fair Project Idea
Invasive species are organisms (either plant or animal) that have been introduced into a new, non-native area and spread rapidly in the new environment due to a lack of regulation by predators. Frequently, invasive species will out-compete native species for resources which can put native species at risk. This is an especially big problem for threatened habitat and endangered species, which are already at risk. Survey your area to document cases of invasive species invading a local… Read more
EnvSci_p029
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Time Required Very Long (1+ months)
Science Fair Project Idea
Yogurt is a very versatile dairy product. It's yummy eaten straight from the container, it is good for your digestive system, and it can be used in several ways for cooking. There is historical evidence that yogurt-making developed 4,500 years ago! Humans depended on yogurt-making as a way to preserve milk. Yogurt is the result of bacterial fermentation of milk. In fermentation, the bacteria consume the milk sugar, lactose, and produce lactic acid. The end-product is a thick, creamy, and tangy… Read more
FoodSci_p030
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Use caution when working with a stovetop. Adult supervision is recommended.
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