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Science Fair Project Idea
Beats are a pattern of oscillating sound intensity (i.e., the volume of the pattern grows and fades with a regular cycle). They occur when two tones of almost equal frequency interfere. People can perceive beat frequencies below about 7 Hz. Figure out how to create sound files to play pure tones on your computer. Create files with a pure tone of one frequency in the left channel, and a pure tone of a different frequency in the right channel. Systematically explore different frequency… Read more
Music_p001
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Time Required Long (2-4 weeks)
Science Fair Project Idea
Do violin students have better relative pitch than piano students? Since the violin requires the player to choose the correct location to stop the string in order to sound the proper note, you might think that violin players would, as a result of practice, have better ear training than piano students. On the other hand, you could argue the opposite viewpoint, since piano students would have the benefit of hearing correct intervals (assuming that the piano is in tune). Which hypothesis do you… Read more
Music_p002
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Time Required Long (2-4 weeks)
Science Fair Project Idea
Math is used by many different types of scientists to model phenomenon and evaluate data from an experiment. By building mathematical models scientists can understand how different physical, chemical, and biological processes are affected by different variables. The most important tools are: making a graph to give a visual representation of the relationships between your variables and making an equation to give a way of computing the relationships between your variables. Find a source of data,… Read more
Math_p029
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Time Required Long (2-4 weeks)
Science Fair Project Idea
Does listening to classical music help or hinder concentration and performance on cognitive tasks? You'll need help from a teacher to design two short, age-appropriate worksheet tests for this experiment. The tests should be of equal difficulty. You'll also need the cooperation of several additional classroom teachers in order to test enough students (at least 50-100, see the Science Buddies resource: ). Half the students will take test A while listening to classical music and test B with no… Read more
Music_p003
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Time Required Long (2-4 weeks)
Science Fair Project Idea
When the punter is trying to hit the "coffin corner" (within the opposing team's 10-yard line), out of bounds, what is the best angle to kick the ball for correct distance and maximum "hang time?" (For more information on the physics involved, see: Gay, 2004, Chapters 4 and 5.) Read more
Sports_p027
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Time Required Average (6-10 days)
Science Fair Project Idea
How much difference does the spiraling motion of a well-thrown football make on the distance of the throw (compared to wobbling, or end-over-end motion of the ball)? Think of a way to reproducibly produce the desired ball motion and launch it with a constant force to find out. (For more information on the physics, see Gay, 2004.) Read more
Sports_p028
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Time Required Average (6-10 days)
Science Fair Project Idea
When you take medicine, it needs to dissolve in order to be passed into your bloodstream to have an effect. On the other hand, the drug needs to be packed into a small, dense pill to make it easier to swallow. How does the delivery method of a drug change how quickly it enters the bloodstream? Compare different brands of a drug to find out which brands dissolve the quickest. Does the pH of the stomach (which is usually between 1 and 2) matter? Compare coated to uncoated pills: does the coating… Read more
HumBio_p002
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Time Required Average (6-10 days)
Material Availability Readily available
Cost Low ($20 - $50)
Safety Adult supervision is required. Do not consume any of the medicines you test.
Science Fair Project Idea
Disinfectants are products that kill harmful bacteria that inhabit surfaces. Disinfectants can be in household and personal cleaning products. Which products work best? Compare different household cleaning products, like bleach or Lysol, to see which ones kill the most bacteria. Compare different brands of antibacterial hand soap or dish soap to see which brand is the most effective. How do hand sanitizers work? Compare rub-on hand sanitizers to see if they work better than alcohol, or compare… Read more
MicroBio_p020
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Time Required Average (6-10 days)
Prerequisites Knowledge about growing and testing bacteria
Material Availability Specialty items, like bacteria and the media to grow them on, can be ordered from [# ProjectGuide Name="Advanced.ApprovedSuppliers" Value="HtmlAnchor" HtmlText="online vendors" #] such as [# Link Name="Advanced.ApprovedSuppliers.2" Value="HtmlAnchor" HtmlText="Carolina Biological Supply Company" #].
Cost Low ($20 - $50)
Safety Follow all safety warnings printed on the cleaning solutions you are using. Read the [# ProjectGuide Name="Advanced.MicroorganismsSafetyGuide" Value="HtmlAnchor" HtmlShortTitle="true" #] before starting any experiments. Adult supervision is recommended. [# ProjectGuide Name="Advanced.ScientificReviewCommitteeSRC" Value="HtmlAnchor" HtmlText="SRC approval" #] may be necessary.
Science Fair Project Idea
Did you know that a scientific study has shown that chewing Big Red Gum reduces mouth microbes? (ScienceDaily contributors, 2004) The cinnamon oil in the gum is a natural defense against mouth bacteria that cause tooth decay and bad breath. Conduct an experiment to compare products with cinnamon essence in gum, candy, toothpaste, and mouthwash to see if they can decrease mouth germs. Do a before and after swab of the mouth with a Q-tip. Which treatments work the best? Can you find another… Read more
MicroBio_p023
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Time Required Long (2-4 weeks)
Prerequisites A basic knowledge of how to work with bacteria is needed to complete this science fair project. Consult the [# ProjectGuide Name="Advanced.MicrobiologyTechniquesampTroubleshooting" Value="HtmlAnchor" HtmlText="Microbiology Techniques and Troubleshooting" #] guide for information on how to conduct microbiology experiments.
Material Availability Specialty items, like the media to grow bacteria on, can be ordered from [# ProjectGuide Name="Advanced.ApprovedSuppliers" Value="HtmlAnchor" HtmlText="online vendors" #] such as [# Link Name="Advanced.ApprovedSuppliers.2" Value="HtmlAnchor" HtmlText="Carolina Biological Supply Company" #].
Cost Average ($50 - $100)
Safety Use sterile technique. Read the [# ProjectGuide Name="Advanced.MicroorganismsSafetyGuide" Value="HtmlAnchor" HtmlShortTitle="true" #] before starting any experiments. [# ProjectGuide Name="Advanced.ScientificReviewCommitteeSRC" Value="HtmlAnchor" HtmlText="SRC approval" #] may be necessary. Adult supervision is recommended.
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
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