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Science Fair Project Idea
Electricity powers many of the devices we use every day, from lights to video games and computers. Engineers have to use certain materials to make electrical devices work. In this experiment, you will find out which materials let electricity flow through them (conductors) and which ones prevent electricity from flowing through them (insulators). Read more
Elec_p018
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Time Required Average (6-10 days)
Prerequisites None
Material Availability For your convenience, a kit is available for this project from the . Estimated project time includes time for shipping the kit.
Cost Low ($20 - $50)
Safety Short circuits can get very hot and present a burn hazard. Never connect the positive and negative ends (red and black wires) of the battery pack directly to each other.
Science Fair Project Idea
From traffic safety lights to neon signs, lights have a way of getting peoples' attention. So it makes sense that if a person wants to get attention, wearing clothing with built-in lights might help. These types of clothing, called electronic textiles (or e-textiles for short) already exist. Instead of using hard surfaces for circuits (like inside your computer or cell phone), e-textiles weave electrical parts like batteries, wires, and lights directly into wearable clothing so it can do… Read more
Elec_p076
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Time Required Average (6-10 days)
Prerequisites Familiarity with basic electronics concepts like positive and negative terminals as well as open and closed circuits will be helpful for this science project. Students with no experience building circuits may want to try the simpler but thematically similar project: [# ProjectIdea Name="Elec_p077" Value="HtmlAnchor" #].
Material Availability This science project requires special LEDs designed for use with e-textiles, and it will be much easier to do with a soldering iron. See the Materials and Equipment list for details.
Cost Average ($40 - $80)
Safety Soldering irons can get extremely hot and burn your skin if you touch them accidentally. They can also cause fires if left unattended. Adult supervision is required when using a soldering iron, especially if you are not familiar with using one. Science Buddies recommends using lead-free solder, especially in homes with pets and small children.
Science Fair Project Idea
Have you ever seen clothing with built-in lights? This might sound like something out of a science-fiction movie, but electronic textiles (or e-textiles for short) really exist. Instead of using hard surfaces for circuits (like what goes inside your computer or cell phone), e-textiles weave electrical parts like batteries, wires, and lights directly into clothing that you can wear to make the clothing do fun, interesting things like light up, respond to sound, or even serve medical purposes… Read more
Elec_p077
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Time Required Average (6-10 days)
Prerequisites None
Material Availability This science project requires special electronic components designed for use with e-textiles. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety No issues
Science Fair Project Idea
Imagine telling your friends about your latest science project: using a battery to make a light turn on. You might get some blank stares...sounds a little boring and basic, right? Now tell them you will do it with a potato! Yes, you can actually use fruits and vegetables as part of an electric power source! Batteries power many things around you, including cell phones, wireless video game controllers, and smoke detectors. In this science project, you will learn about the basics of battery… Read more
Energy_p010
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- Less Details
Time Required Average (6-10 days)
Prerequisites None
Material Availability A kit is available for this project from the . Estimated time required includes time for shipping the kit.
Cost Average ($40 - $80)
Safety Do not eat the potatoes after they have been used as batteries.
Science Fair Project Idea
Do you like playing with squishy Play-Doh® or modeling clay? Wouldn't it be cool if you could add lights, sound, or even motion to your Play Doh creations? In this project, you will use Play Doh that conducts electricity, which will allow you to connect lights, motors, and buzzers to your sculptures! This project is the first in a three-part series on "squishy circuits," which can all be done with the same materials. We recommend doing the projects in order. Read more
Elec_p073
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Time Required Average (6-10 days)
Prerequisites None
Material Availability This project requires a Squishy Circuits Kit. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety Never connect the battery pack's terminals directly to each other; this is called a short circuit and can make the batteries and wires get very hot. Do not connect the LEDs directly to the battery pack without using Play Doh; this will burn out the LEDs.
Science Fair Project Idea
Have you tried our , and now you are looking for more to do? Do you want to learn more about circuits and add even more lights? Check out this project for part 2 of our Squishy Circuit series! Read more
Elec_p074
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Time Required Average (6-10 days)
Prerequisites You should understand the Introduction material in [# ProjectIdea Name="Elec_p073" Value="HtmlAnchor" HtmlText="Light Up Your Play Dough!" HtmlHash="background" #]—the first project in the "Squishy Circuits" series—before doing this project.
Material Availability This project requires a Squishy Circuits Kit. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety Never connect the battery pack's terminals directly to each other; this is called a short circuit and can make the batteries and wires get very hot. Do not connect the LEDs directly to the battery pack without using play dough; this will burn out the LEDs.
Science Fair Project Idea
"Paper circuits" are a fun way to mix electronics and art by adding lights directly to a painting or drawing. These lights need a battery to power them, and typically you would use wires to connect them. In paper circuits, though, many materials can be substituted as "wire," including special types of paint, ink, and even aluminum foil. There are also different options for what type of battery you can use. Which materials do you think will work best? Try this project to find out! Read more
Elec_p085
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Time Required Average (6-10 days)
Prerequisites None
Material Availability This project requires special circuit materials. See the Materials and Equipment list for details. Estimated project time includes time for shipping specialty materials.
Cost Average ($40 - $80)
Safety No issues
Science Fair Project Idea
When you think of a motor, you may immediately think of a car, but you actually encounter other motors in your home every day. That's right, if you put on clean clothes from the washing machine, ate food from the fridge, or used a fan, you used an electric motor. In this electronics science project, you will make a simple electric motor with two magnets that "talk" to each other. As they interact, they will alternate between "liking" each other (pulling together), and "disliking" each other… Read more
Elec_p051
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Time Required Average (6-10 days)
Prerequisites You should be able to coil wire neatly (or find someone who can show you how) in order to make your electric motor work.
Material Availability A kit containing all the specialty items needed for this project is available from the .
Cost Low ($20 - $50)
Safety

Never try to use a wall socket as power source for your motor.

Neodymium magnets are very strong. Follow the safety guidelines in the Procedure for working with these magnets.

Science Fair Project Idea
Electronic devices can be designed to detect dangerous fumes or other hazards, such as smoke or carbon monoxide. In this electronics project, you will build another potentially life-saving detector—a radon detector. Radon gas is radioactive and can pose a hazard to your health if you live in an area where it leaks from the ground. In this electronics science project, you will learn how to collect radon with an ordinary dusting cloth mounted on the intake of a fan, and then measure its… Read more
Elec_p064
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Time Required Very Long (1+ months)
Prerequisites Since the goal of this science project is to measure radon gas, you should have access to an area that has previously tested positive for radon with a commercial radon detection system. See the Experimental Procedure section for details. This is an advanced science project that will require creative problem solving on your part.
Material Availability While most of the parts for this science project are readily available, you might need to be creative about finding or making some of the parts.
Cost High ($100 - $150)
Safety Wear safety goggles when drilling and soldering. Adult supervision is recommended.
Science Fair Project Idea
Have you ever gotten a shock touching a doorknob after walking across a carpet? Static charge is responsible for that shock. Wouldn't it be cool to save up and store all of that charge in a homemade jar? It would almost be like storing lightning. This science project will show you how to do that. Read more
Elec_p049
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- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Average ($50 - $100)
Safety Since this experiment deals with electricity, it is best to have an adult supervise. A mild to moderate electric shock is possible if care is not taken. Follow all directions as stated.
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