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Science Fair Project Idea
thumbnail OK, spill the beans, what's your favorite bean-rich food? Burritos? Chili? Or maybe you prefer the spicy Indian stew of lentils, known as dal? But what about fried tofu? Soymilk? Or peanut butter and jelly sandwiches? Did you know those foods come from beans as well? Beans are important to the diets of many people, and in this cooking and food science fair project, you'll learn how the liquid that beans are cooked in affects how quickly or slowly they soften. Read more
FoodSci_p026
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Adult supervision is required when using the stove.
Science Fair Project Idea
thumbnail This is a straightforward, fun project to measure the rate of the chemical reaction that occurs when Alka-Seltzer® tablets are plopped into water. You'll track the volume of carbon dioxide gas produced at regular intervals after the reaction begins. How does changing the temperature of the water affect the production of gas? Read more
Chem_p026
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Average ($40 - $80)
Safety Adult supervision needed while using the drill.
Science Fair Project Idea
thumbnail Earth, the Sun, wind, and water are all sources of renewable and sustainable energy—and sources you probably already know about. But did you know that you can get energy from such things as banana peels, coffee grounds, and newspaper? In a process called composting, you can transform kitchen and other solid wastes into a product that is beneficial for your garden: homemade fertilizer. As the waste decomposes, it also creates heat. Can this naturally created heat be put to use? In this… Read more
Energy_p035
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Time Required Very Long (1+ months)
Prerequisites Making a compost pile can take anywhere from a couple of days to a few weeks, depending on the method and bin you use. In this energy and power science fair project, you will spend a few days creating a compost pile. You will have to account for the time as you are planning your science fair project. You will also need to be home for several hours at a time on many specific days throughout this project. Read through the Experimental Procedure for more details.
Material Availability You (and friends, if possible) will have to start collecting potato peelings or grass clippings a few weeks in advance to accumulate enough, so keep this in mind when budgeting time for your science fair project. See the Materials and Equipment list for details.
Cost Very High (over $150)
Safety Wear safety goggles and use caution when working with all tools. Be sure to wear disposable gloves when handling animal waste and to clean all of the work surfaces thoroughly with a bleach solution. Read the Science Buddies Microorganism Safety Guide to learn how to experiment safely.
Science Fair Project Idea
thumbnail You may be familiar with permanent magnets—the kind that hang on a refrigerator. But did you know that other magnets, called electromagnets, can be turned on and off? When turned on, electromagnets act just like permanent magnets, but if you turn them off, their magnetic properties disappear. Electromagnets are an important part of many electronic devices, like motors, loudspeakers, and hard drives. You can create an electromagnet with a simple coil of wire and a battery. In this science… Read more
Elec_p035
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety The electromagnet can become hot during periods of extended use.
Science Fair Project Idea
thumbnail Have you ever wondered how antibiotics and other medicines are able to stop dangerous infections? How do such medications kill microorganisms without in general harming the person the microorganisms are infecting? Because many different types of microorganisms can infect us, we have had to develop an amazing number of ways to deal with these harmful microbes. Fungal infections can be particularly dangerous, but we have developed many different antifungal medications that can usually deal with… Read more
BioMed_p012
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Time Required Average (6-10 days)
Prerequisites Basic understanding of what fungus, dilutions, and molecular pathways are.
Material Availability Readily available
Cost Average ($50 - $100)
Safety Wear gloves and have an adult help you when you handle and work with the antifungal medications. Antifungal medications can be damaging to your skin if they are not used properly.
Science Fair Project Idea
thumbnail Did you know that not all trains run on tracks? Some of the world's fastest trains are magnetic levitation trains (maglev). This means that the carriage of the train is suspended over the rails with no support, but only with magnetic fields! There is a physical explanation for magnetic levitation, and if you would like to learn more about magnetism and current, this is a science fair project that you must try! Read more
Elec_p053
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Specialty items required: neodymium magnets. See the Materials and Equipment list, below, for more details.
Cost Low ($20 - $50)
Safety Neodymium magnets are very strong and must be handled with caution. See the procedure tab for details.
Science Fair Project Idea
thumbnail The ingredients in Alka-Seltzer® tablets undergo a chemical reaction that produces carbon dioxide gas as soon as the tablets hit water. Do you think you can cause the tablets to produce gas faster by breaking them into smaller pieces before dropping them in water? Find out for yourself with this project. Read more
Chem_p030
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult supervision required for use of power drill (one hole required when building the simple experimental apparatus)
Science Fair Project Idea
thumbnail Have you ever gotten a shock touching a doorknob after walking across a carpet? Static charge is responsible for that shock. Wouldn't it be cool to save up and store all of that charge in a homemade jar? It would almost be like storing lightning. This science project will show you how to do that. Read more
Elec_p049
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Average ($50 - $100)
Safety Since this experiment deals with electricity, it is best to have an adult supervise. A mild to moderate electric shock is possible if care is not taken. Follow all directions as stated.
Science Fair Project Idea
thumbnail Electronic devices can be designed to detect dangerous fumes or other hazards, such as smoke or carbon monoxide. In this electronics project, you will build another potentially life-saving detector—a radon detector. Radon gas is radioactive and can pose a hazard to your health if you live in an area where it leaks from the ground. In this electronics science project, you will learn how to collect radon with an ordinary dusting cloth mounted on the intake of a fan, and then measure its… Read more
Elec_p064
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Time Required Very Long (1+ months)
Prerequisites Since the goal of this science project is to measure radon gas, you should have access to an area that has previously tested positive for radon with a commercial radon detection system. See the Experimental Procedure section for details. This is an advanced science project that will require creative problem solving on your part.
Material Availability While most of the parts for this science project are readily available, you might need to be creative about finding or making some of the parts.
Cost High ($100 - $150)
Safety Wear safety goggles when drilling and soldering. Adult supervision is recommended.
Science Fair Project Idea
thumbnail Have you ever had fun playing with sand and water, observing how little rivers you create carve their way down to the lowest point of the sandbox, backyard or beach? Some meander, others braid, and some carve a path straight down. Hyrdologists (or scientists who study water) do very much the same thing! Only they set up the model in a particular way, so observing their mini-rivers helps them answer questions about how water flow affects the environment.In this geology science project, you… Read more
Geo_p045
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Time Required Very Short (≤ 1 day)
Prerequisites None.
Material Availability Readily available. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety Adult help is required to cut the water or milk jugs.
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