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Science Fair Project Idea
thumbnail Radiometers are fun-to-watch novelty items, but they also have a distinguished scientific history, having been studied by James Clerk Maxwell and Albert Einstein. A radiometer has a set of four vanes (like small sails) connected to a spindle that is free to rotate. When the radiometer is placed in bright light, the vanes and spindle start to spin. It looks like a magic trick, but there is a scientific explanation for this weird behavior. In this science fair project, you will experiment with… Read more
Phys_p078
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- Less Details
Time Required Average (6-10 days)
Prerequisites This science fair project will require some creative problem solving on your part.
Material Availability You will need to order a digital tachometer and radiometer online. See the Materials and Equipment list for details.
Cost High ($100 - $150)
Safety No issues
Science Fair Project Idea
thumbnail So, you've got your popcorn and are settled into your seat at the movie. The lights dim—it's show time! But wait a second. Did you ever wonder how those lights dim so smoothly? It just wouldn't be the same if the lights suddenly snapped off, would it? In this electronics science fair project, you'll investigate dimmer switches, and even build a simple model of one. Try this project and light up your room, and your mind! Read more
Elec_p056
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety You will need an adult's assistance to use the pocket knife. Adult supervision is required.
Science Fair Project Idea
Do you wake up at the crack of dawn, or do you need an alarm clock to wake you up each morning? It may surprise you that the two are not always in synch. Nowadays, we use Standard Time to set our watches instead of Solar Time. Which method of timekeeping is the most accurate? Get ready to synchronize your watches! Read more
Astro_p015
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- Less Details
Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety None
Science Fair Project Idea
thumbnail Comets—big lumps of rock, ice, and frozen gases that orbit the Sun—are among the most amazing heavenly objects seen in the night sky. The glowing tail behind the comet's nucleus inspires wonder. But did you know that a comet's tail is evidence that it's melting? As a comet passes by the Sun on its orbital path, it starts to melt. But do bigger comets melt faster than smaller comets? In this astronomy science project, you will investigate how the size of the comet affects the… Read more
Astro_p035
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- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Average ($50 - $100)
Safety Always exercise caution when using electrical equipment. Adult supervision is recommended.
Science Fair Project Idea
thumbnail How far would you have to travel so that the light of the full sun would provide "daylight" no brighter than twilight on Earth? This project describes a method to verify the inverse square law: how light, sound, electrical signals, and gravity each decrease with distance from their source. When you have finished your experiment, you can use your results to calculate an answer. Read more
Elec_p028
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- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Minor injury possible—use caution when handling single-edged razor blades.
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 Do you enjoy going stargazing? In a good location on a clear night, you can see a huge number of stars twinkling in the night's sky. Have you ever wondered how far those stars are from us? Ancient astronomers actually discovered a way figure this out, measuring the distance from Earth to faraway stars. How did they do it without modern technologies? In this astronomy science project you will find out by exploring the link between the distance of an object and perspective (also known as… Read more
Astro_p006
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- Less Details
Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No hazards
Science Fair Project Idea
You're coming into the house after a game of flashlight tag with your friends, but the front porch light isn't even on for you to see the door knob! What gives? Maybe your parents know that turning a light on means moths will gather there, and they don't want you letting them inside when you open the door. You've probably noticed how moths are attracted to lights at night. They will even fly dangerously close to flames in their journey toward light. In this animal behavior science fair project,… Read more
Zoo_p059
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- Less Details
Time Required Average (6-10 days)
Prerequisites You will need access to an area with moths. See the Experimental Procedure for details.
Material Availability Readily available
Cost Average ($50 - $100)
Safety No issues
Science Fair Project Idea
thumbnail Have you ever heard someone say that the moon is made of cheese? Even though the craters on the surface of the moon resemble holes in Swiss cheese, we know that this common myth is not true. Find out how craters are formed and why they are different sizes by doing this simple science project. Read more
Astro_p010
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- Less Details
Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail You know how to make new colors by mixing paint or crayons. For example, you get green by mixing yellow and blue, or orange by mixing red and yellow. With paint, blue, yellow, and red are primary colors, which you can use to make other colors. Have you ever tried making colors with light? Are the primary colors the same ones you use for paint? Do this experiment and find out. Read more
HumBeh_p021
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- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety No issues
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