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Science Fair Project Idea
thumbnail "How do you frighten a grasshopper? And what does that have to do with light?" These are a couple of questions you're probably asking yourself after reading the title. Well, The Frightened Grasshopper Solar-Powered Bug is actually a toy grasshopper that vibrates when it is placed in sunlight or near a lightbulb. It stores up the energy from light, and converts it into motion. You will use this fun toy to explore how the brightness of the light affects the motion of the solar-powered insect. Read more
Elec_p061
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- Less Details
Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability The Frightened Grasshopper toy needs to be ordered from online. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety Adult supervision is required. The lightbulbs will be hot, so use caution to avoid getting burned by the bulbs. The Frightened Grasshopper toy should be assembled with the help of an adult since it is fragile and has some small parts.
Science Fair Project Idea
thumbnail Sometimes a full moon can be so bright, you can walk around in the dark without a flashlight. How much brighter is a full moon than the other phases of the moon? How is the brightness of the moon measured? Read more
Astro_p013
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- Less Details
Time Required Long (2-4 weeks)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Carry a flashlight and use safety measures when in dark areas at night.
Science Fair Project Idea
thumbnail Everyone loves looking at the full moon, but are these nights the best time to go stargazing? Can the moon interfere with certain astronomical observations? Read more
Astro_p014
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Use safety measures when in dark areas and use a flashlight when walking in the dark.
Science Fair Project Idea
thumbnail Have you ever looked up at the stars at night and wondered how fast they were moving or how far away they were? By studying how the brightness of a star changes with distance, you can answer those questions. In this astronomy science project, you'll create a model of starlight and use a light meter to discover the key relationship between brightness and distance. Read more
Astro_p034
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- Less Details
Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety No issues
Science Fair Project Idea
thumbnail Have you ever noticed how the moon appears bigger at the horizon, just as it is rising over the treetops, than it does later in the evening when it is overhead? Of course, the size of the moon does not change, but our perception of its size changes based on where it is in the sky. In this human biology science fair project, you will investigate Emmert's law, which explains the full moon illusion. You will estimate the size of the perceived increase in the size of the moon at the horizon. Read more
HumBio_p023
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Time Required Short (2-5 days)
Prerequisites You will need access to an outside area with a clear view of the horizon and the zenith.
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
One of my favorite things to do when I was a kid was to go outside and look at the stars. As an adult, I moved to a major city and the stars seemed to vanish from the sky. Where did they go? Read more
Astro_p012
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- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Need a parent to drive to different locations at night, use safety measures when in dark areas.
Science Fair Project Idea
thumbnail What's your favorite thing to do on the hottest day of the year? Dip your toes in an icy river? Hang out by the pool? Retreat to a cool basement? Lie motionless in the shade? You're probably not too eager to move around and put out a lot of energy, like mowing the lawn in the mid-afternoon sun. Well, you're not the only one. In this electronics science fair project, you'll find out that some semiconductor devices, like light-emitting diodes (or LEDs), act the same way. As their internal… Read more
Elec_p060
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- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Average ($50 - $100)
Safety You should never look directly into an LED flashlight, as it can cause eye damage.
Science Fair Project Idea
thumbnail 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
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 What do lamps, computers, televisions, printers, and kitchen appliances all have in common? They all need electricity to work. In order for electricity to provide power to these devices, it has to flow into and out of them. In this electronics science fair project, you will make your own simple circuit tester and use it to study how electricity flows through a lamp. Read more
Elec_p059
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- Less Details
Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Average ($50 - $100)
Safety Adult supervision is required. All devices that are tested should be unplugged. Don't take any electrical appliances apart to test components inside. Before testing any device, you must make certain that you have removed all electrical power to the device. Do not go near the sockets in the wall with the circuit tester.
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