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Science Fair Project Idea
There is evidence to be gathered at every crime scene. The hard part is making sense of it all. That's where crime scene investigators and forensic scientists come in. In this science fair project, you will investigate blood spatter using fake blood. Your job, as an impartial scientist, is to deliver facts so that justice can be served. Are you up to the challenge? Read more
Phys_p072
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- Less Details
Time Required Short (2-5 days)
Prerequisites Basic knowledge of trigonometry is required. For a refresher, check out the trigonometry reference listed in the Bibliography.
Material Availability Readily available
Cost Low ($20 - $50)
Safety This topic of inquiry can be a little scary. If you are at all squeamish, then do not attempt to research the topic or do this science fair project. Always have an adult with you when you are doing your research, especially if you are doing research online. Adult supervision is required.
Science Fair Project Idea
How big a ruler would you need to measure the circumference of the Earth? Did you know that you can do it with a yardstick? (And you won't have to travel all the way around the world!) Read more
Astro_p018
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- Less Details
Time Required Short (2-5 days)
Prerequisites You will need to understand some basic principles of geometry for this project. You will need a friend or relative in a distant city to make a shadow measurement for you on the same day you make yours. Both of you will need clear weather.
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
Do you like getting something for nothing? Everybody likes getting things for free. How about getting energy and power for free? The Sun sends us free energy every second and all we have to do is collect it. Taking advantage of free energy can reduce our dependence on fossil fuels, which are harmful to our environment. In this science fair project, you will work with a solar panel, which is a collector of free energy, and investigate how varying the angle of the solar panel, and thus the amount… Read more
Energy_p004
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Specialty items required. You need to purchase a small solar panel.
Cost Average ($50 - $100)
Safety No issues
Science Fair Project Idea
Solar cells provide a clean way of making electricity directly from sunlight. In this project you will build a simple circuit and experimental setup to investigate whether the power output of a solar cell changes with ambient temperature. Read more
Energy_p012
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- Less Details
Time Required Short (2-5 days)
Prerequisites You must know or must learn how to use a voltmeter or multimeter.
Material Availability Specialty item: digital thermometer with probe
Cost Average ($50 - $100)
Safety No issues
Science Fair Project Idea
Do you love to make music, but do not have access to all the instruments you would love to play? Check out this fun science fair project about the physics of musical sound production. You will make musical instruments with drinking straws, one for each note on a one-octave major scale. Can you figure out the right lengths for a series of straw "oboes" in order to play a musical scale? Read more
Music_p016
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Time Required Short (2-5 days)
Prerequisites You must have an understanding of waves or a willingness to learn about them in order to do this science fair project. Familiarity with a musical instrument and playing a reed instrument is helpful, but not required.
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
Solar cells are an alternative method for generating electricity directly from sunlight. With this project, you can get down to the atomic level and learn about the world of solid-state electronics as you investigate how solar cells work. Your experiment will measure the effect of changing light intensity on power output from the solar cell. A possible variation would be to investigate the effect of changing the color of the light. Read more
Energy_p014
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Specialty electronics components required, see Materials list for details
Cost Low ($20 - $50)
Safety No issues
Science Fair Project Idea
Is that right side of your brain yearning to express its artistic side? This is a project that beautifully blends art with science. Learn about light and colorful shadows in these experiments where you mix and match various colors of light to create a mini light show and shadow wall. You might be surprised at the colorful hues you'll find lurking in the shadows. Read more
Phys_p035
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- Less Details
Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Specialty items
Cost Average ($50 - $100)
Safety No issues
Science Fair Project Idea
Have you ever dreamed about becoming invisible? Or about making something else invisible, like the mess all over your room? Invisibility may sound like the stuff of science fiction (remember Star Trek's "Cloaking Device"?), but in reality, military vehicles, like planes and ships, can be made less observable, or even invisible, to different detection methods—like radar, sonar, or infrared sensors—by using stealth technology. In this engineering science fair project, you'll find out… Read more
Phys_p075
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- Less Details
Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety You should never look directly into an LED flashlight, as it can cause eye damage.
Science Fair Project Idea
Solar cells are devices that can be used as a source of power when there is light shining on them, but they stop producing energy when they are not in the light. One way to store the solar energy for later use is to use a solar cell to charge something called a capacitor. The capacitor stores the energy as an electric field, which can be tapped into at any time, in or out of light. In this electronics science project, you will use parts of a solar car to experiment with the energy storage… Read more
Elec_p063
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- Less Details
Time Required Long (2-4 weeks)
Prerequisites None
Material Availability You will need to order the supercapacitor car online. See the Materials and Equipment list for details.
Cost Average ($50 - $100)
Safety No issues
Science Fair Project Idea
You have probably heard about using renewable energy sources like wind and solar power to provide electricity to homes and buildings, as well as hybrid or fully electric cars that use less (or zero) gasoline. But what about solar-powered robots? As robots become more common, it is increasingly important to use "green" energy sources to power them. In this project, you will build and test a popular robot called a bristlebot — a tiny robot made using toothbrushes—that can operate on… Read more
Robotics_p026
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Time Required Short (2-5 days)
Prerequisites None
Material Availability A kit containing all the electronics parts needed for this project can be found in the .
Cost Average ($40 - $80)
Safety No issues
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