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Science Fair Project Idea
thumbnail Mice, rats, and other rodents are typically nocturnal animals; that is, their activity level is highest at night. For this science fair project, you will build a device that records your pet's activity by monitoring movement of its exercise wheel to see how it varies during the day and night. You can also experiment with various ways of changing your pet's cycle of activity; for example, by playing with it during the day when it's normally resting. Read more
MamBio_p023
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Time Required Very Long (1+ months)
Prerequisites You should already own a mouse, a rat, a guinea pig, or a hamster, and know how to take care of it. Or you can study a pet rodent at your school.
Material Availability Specialty items
Cost Average ($50 - $100)
Safety You should only try this project with a pet rodent that you are already familiar with. Don't use wild rodents or any animal that you are not sure is safe to work with.
Science Fair Project Idea
thumbnail When someone yells, "Think fast!" and throws you a ball, are you able to catch it? When the bell rings at the end of class, are you the first one out of your seat? Can you make it through a sudden hairpin turn in a video game without crashing? If so, then you likely have quick reaction times. In this science fair project, you'll look at reaction times (how fast people react to sensory events), and see if people who play video games have faster reaction times than those who do not. Read more
HumBio_p025
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Time Required Average (6-10 days)
Prerequisites None
Material Availability You will need a personal computer with Internet access for this science fair project.
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail Imagine seeing waves glowing a beautiful blue color. The marine dinoflagellate Pyrocystis lunula is responsible for this magnificent phenomenon. Pyrocystis lunula is a bioluminescent organism—bioluminescence is the production of light by living organisms. But does this organism always glow, no matter what the conditions, such as how much light there is? In this biotechnology science fair project, you will investigate how altering this dinoflagellate's exposure to light and dark affects… Read more
BioChem_p033
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability Specialty items: Living Pyrocystis lunula cell cultures are required for this science fair project and can be ordered online. See the Materials and Equipment list for details.
Cost High ($100 - $150)
Safety No issues
Science Fair Project Idea
thumbnail Did you know that some teachers give their students a peppermint candy on state testing days? Is it to give the kids sweet-smelling breath? Or are the teachers hoping for something more on the important testing day? In this human biology science fair project, you'll explore whether or not peppermint influences scores on different types of tests. Read more
HumBio_p027
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Time Required Long (2-4 weeks)
Prerequisites An introduction to statistics.
Material Availability All volunteers must have access to a personal computer with Internet access.
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail The great majority of people have a distinct hand preference. How about animals like dogs or cats? Do they show a paw preference? If you like animals, this science fair project might be for you. Read more
MamBio_p011
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Time Required Average (6-10 days)
Prerequisites To do this science fair project, you will need a good rapport with pets, and access to a large number of dogs (or cats).
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult supervision is required. Always get permission from the pet owner before testing paw preference.
Science Fair Project Idea
Imagine that you are a detective investigating a murder. You have a body that was found in a swimming pool, and someone reported hearing an argument near the pool at 10:00 PM the night before. Your first question might be "Was this person killed around 10:00 PM last night, or at some other time?" One way to answer this question is to measure the internal temperature of the body. The longer ago the killing occurred, the colder the body. But can you assign a specific time of death to a specific… Read more
Phys_p079
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
Expanding gases are everywhere, from the kitchen to the cosmos. You've tasted their pleasures every time you've eaten a slice of bread, bitten into a cookie, or sipped a glass of soda. In this chemistry science fair project, you'll capture a gas in a stretchy container you're probably pretty familiar with—a balloon. This will allow you to observe the gas expansion and contraction as the temperature changes. Read more
Chem_p077
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Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety People with a latex allergy should not do this project. Use caution, as latex balloons are the leading choking hazard for children under 6.
Science Fair Project Idea
Many sports skills require quick reaction times: think of hitting a 95-mph fastball, returning a 100-mph tennis serve, or blocking a slapshot at the net in hockey. (The Experimental Procedure section below has one way to measure reaction time.) Is your right hand faster than your left? Can you improve your reaction time with practice? Do both hands improve if you only practice with one hand? Try relating your reaction time to real situations in your favorite sport. For example, calculate… Read more
HumBio_p005
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Time Required Average (6-10 days)
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail Are you really picky about food? Or do you know someone who is? It might be because he or she is a supertaster! To supertasters, the flavors of foods are much stronger than to average tasters. Are you a supertaster? Find out with this tongue-based science fair project! Read more
HumBio_p017
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety People with allergies to food coloring should not participate in this experiment.
Science Fair Project Idea
thumbnail Nut clusters, chocolate-dipped candies, and chocolate-dipped strawberries are just some of the delicious goodies that have a thin, rich layer of chocolate wrapped around them. But how do pastry and candy chefs make these delectable treats? The first step is to melt and temper chocolate. Tempering is a process in which the cocoa butter in chocolate is hardened into a specific crystalline pattern. When the cocoa butter molecules are in this pattern, the chocolate is shiny and breaks with a sharp… Read more
FoodSci_p038
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- Less Details
Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Minor injury possible. Use caution when using a stovetop. Hot chocolate can burn. Use care when working with hot chocolate. Adult supervision recommended.
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