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Science Fair Project Idea
thumbnail Wouldn't it be nice to avoid those nasty electric shocks you get after you've walked around on carpet and then shake a friend's hand, or all those crazy flyaways you get after brushing your hair? These are caused by static electricity. In this science fair project, you will build a super-sensitive charge detector to investigate the positive and negative electric fields created by static electricity. The detector can sense invisible electric fields, so try this science fair project to avoid the… Read more
Elec_p050
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Time Required Short (2-5 days)
Prerequisites You should be familiar with the concepts of atoms, electrons, and voltage. Familiarity with building circuits with a breadboard is helpful, but not required.
Material Availability Readily available
Cost Average ($40 - $80)
Safety No issues
Science Fair Project Idea
thumbnail Strike a key on the piano, and you hear the string vibrating. Just about any object vibrates when it's knocked, but how much and how fast? What properties of the material affect the way it vibrates? This project helps you find out. You'll build a simple light-sensing circuit for measuring the frequency of vibrating springs. Read more
ApMech_p015
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Time Required Short (2-5 days)
Prerequisites Windows/PC
Material Availability Readily available
Cost Average ($50 - $100)
Safety No issues
Science Fair Project Idea
thumbnail While you are probably quite familiar with battery-powered flashlights and watches, did you know there are motion-powered electronic devices—including some flashlights and watches—that can seemingly run forever without needing new batteries? The secret involves using magnets that generate electricity when they move around near a metal wire. In this science project, you will build your own simple motion-powered electrical generator that can power a series of tiny lights. Read more
Energy_p009
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Time Required Average (6-10 days)
Prerequisites None
Material Availability This science project requires some specialty electronic components. A kit is available from the [# Link Name="Energy_p009.16" Value="HtmlAnchor" #]. The Time Required estimate includes time for gathering specialty materials. The actual project only takes 1 day.
Cost Average ($40 - $80)
Safety

Neodymium magnets are very strong and can pinch your fingers when they come together. You should keep them away from pets and small children because they can cause serious harm if ingested. As with any magnet, you should keep them away from computers, cell phones, and credit cards.

Adult supervision is required when using a hobby knife.

Science Fair Project Idea
thumbnail Have you ever seen moths buzzing around bright lights at night? What about animals that always crawl into dark places, under rocks or furniture? This type of behavior is called phototaxis — movement toward (or away from) a light source. In this project you will build your own biologically inspired robot critter that mimics this behavior. Basing your design on the popular and simple BristleBot robot, you will make a robot with two light sensors for "eyes" and two motors that help it steer… Read more
Robotics_p012
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Time Required Average (6-10 days)
Prerequisites Some familiarity with electronic circuits and using breadboards will be very helpful, though not required, for this project. Using a soldering iron is also helpful but a work-around is offered in the Procedure.
Material Availability This project requires certain parts from an electronics store or online retailer. See the Materials and Equipment list for details.
Cost Average ($40 - $80)
Safety If you use a soldering iron for this project remember that soldering irons get extremely hot and can cause burns if they touch your skin. They can also become a fire hazard if left unattended. Science Buddies recommends using lead-free solder, especially in homes with pets or small children.
Science Fair Project Idea
thumbnail 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 simlar 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
thumbnail Objects that glow in the dark hold a special place in the imagination of both children and adults. The lights go out at night, but these odd things refuse to disappear. Where does the light come from? Do they work in any climate? In this science fair project, you will build an electronic device that measures the light given off by luminescent materials. The device will be used to study how temperature affects luminescence. Read more
Chem_p072
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Time Required Long (2-4 weeks)
Prerequisites A familiarity with basic chemistry is required. Also, some experience with electronics would be helpful. Although the circuit is fairly straightforward, especially if you use the kit, this is a DIY ("do-it-yourself") project that will call for some creative problem solving on your part.
Material Availability Any phosphorescent material will work for this project. If you want to use super-bright phosphorescent paints, they are available online. See the Materials & Equipment list for more information.
Cost High ($100 - $150)
Safety Use caution when using the drill or knife. Wear safety goggles when using the drill.
Science Fair Project Idea
thumbnail Want to know how electrical engineers "trap" the energy in a circuit to make your favorite electrical appliance? Video games, computers, phones, and many other electrical devices use "resistors" in different ways to control the electricity in a circuit. In this experiment, you can make your own resistors out of pencils, and test the effect a resistor has on a circuit. Read more
Elec_p013
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Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Requires adult supervision
Science Fair Project Idea
thumbnail 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
thumbnail Do you want to trick friends and visitors with an amazing optical illusion? In this engineering design project you will learn how to build an infinity mirror,with built-in lights that make the mirror look like a deep tunnel with no end. But pick the mirror up and look behind it, and you will see that it is only a couple of inches thick! Read this project to find out not only how this illusion works, but how to design and build your very own infinity mirror from scratch. Read more
Elec_p080
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Time Required Average (6-10 days)
Prerequisites None
Material Availability This project will require some specialty materials from hardware and arts and craft stores. See the Materials and Equipment list for details.
Cost Average ($40 - $80)
Safety Adult supervision is required when using any sharp cutting tools or power tools to cut plexiglass. Always wear safety glasses or goggles when cutting brittle materials such as plexiglass. Some tools (in particular, hot glue guns and soldering irons) can cause serious burns. Use these carefully and with adult supervision.
Science Fair Project Idea
thumbnail Do you read the list of ingredients in foods and drinks before you buy them at the grocery store? If you do, you may have noticed that many of the items that are blue in color have the same dye, called FD&C blue 1. In this chemistry science fair project, you will build a simple colorimeter, a device that measures the concentration of colored chemicals in solutions. You will use the colorimeter to measure the concentration of blue dye #1 in sports drinks, and to track the rate at which the… Read more
Chem_p075
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Time Required Long (2-4 weeks)
Prerequisites Basic knowledge of chemistry. Some familiarity with electronics would be helpful, but is not required.
Material Availability Specialty item: Cuvettes can be purchased online. See the Materials and Equipment list for details.
Cost High ($100 - $150)
Safety Working with bleach is hazardous. Protect your skin and eyes.
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