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Science Fair Project Idea
thumbnail Have you ever seen a robot dance? In this project you will build your own simple flipping, tumbling robot that can dance around on the floor or a tabletop! If you have never made a robot before and would like to get started with a fun, easy project, this is a great place to begin. You will follow directions to make a basic robot, and then make your own additions to make it even better! Read more
Robotics_p027
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Time Required Average (6-10 days)
Prerequisites None
Material Availability This project requires robotics parts from an electronics vendor. See the Materials and Equipment list for details. Estimated project time includes shipping for the parts.
Cost Low ($20 - $50)
Safety Adult supervision is required when using a hot glue gun or super glue.
Science Fair Project Idea
thumbnail 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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- Less Details
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 [# Link Name="Robotics_p026.1" Value="HtmlAnchor" #].
Cost Average ($40 - $80)
Safety No issues
Science Fair Project Idea
thumbnail If you want to get your friend's attention at a crowded sporting event with lots of people cheering, you need to shout. If you're trying to do the same thing in a quiet library, a whisper works. The detection limit for each of our senses depends on the amount of "background" stimulation that is already present. This project uses an LED control circuit to investigate detection of changes in light levels. Read more
Elec_p039
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- Less Details
Time Required Short (2-5 days)
Prerequisites Understanding of Ohm's Law and an understanding of logarithms. Note: the biggest expense is a powered, solderless breadboard, which can be used for future explorations in electronics.
Material Availability Specialty items
Cost Very High (over $150)
Safety No issues
Science Fair Project Idea
thumbnail Following a simple black line seems pretty easy, right? But think about it; how do you know what is the line and what is not the line? What if you wanted a robot to follow that line? How would it know what you wanted it to follow? Robots can use simple techniques to sense their surroundings and change their behavior based on what they see. In this engineering project, you will build your own robot that will follow a path without using complicated electronics or programming. Read more
Robotics_p021
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Time Required Average (6-10 days)
Prerequisites You should be familiar with, or be willing to learn how to wire circuits on a breadboard. A little soldering is necessary to complete this science project, so you should also be familiar with the procedure or be able to find a helpful friend or adult.
Material Availability Readily available. See the Materials and Equipment list for details.
Cost Average ($40 - $80)
Safety If you are using the coping saw to make the wheels, use caution and be sure to wear safety goggles. Some steps require soldering, which involves very high temperatures. Use caution when soldering and when using other building tools. An optional step involves a product that must used in an open area, following the manufacturer's directions.
Science Fair Project Idea
thumbnail Have you ever wondered how an AM radio station works? In this project you will learn the basics of how your favorite songs are transmitted by a radio station, by building your own simple AM radio transmitter. You will learn the basics of how a transmitter works, and how you are able to tune to your favorite station and listen to music. Read more
Elec_p024
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- Less Details
Time Required Average (6-10 days)
Prerequisites None
Material Availability Specialty items
Cost Average ($50 - $100)
Safety No issues
Science Fair Project Idea
thumbnail Have you ever wondered how a radio can grab signals that are transmitted through the air and convert them into sound? In this science project, you will build your own AM radio receiver from scratch and use it to listen to AM radio broadcasts. With your crystal radio you will be able to experiment with the circuit and the antenna to get the best reception. Read more
Elec_p014
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- Less Details
Time Required Average (6-10 days)
Prerequisites To do this science project, you must live in an area where you can receive at least one strong AM radio station. You can check for this with a car or portable radio.
Material Availability Specific circuit items are required. A Science Buddies kit is available for your convenience. See the Materials and Equipment list for details
Cost Average ($40 - $80)
Safety Never operate your crystal radio during a thunderstorm. When not in use, always disconnect your antenna from the radio circuit, and connect it directly to the ground rod. Be sure to wear safety goggles when installing the ground rod, especially if you are using a metal hammer. An adult's help might be necessary for some steps in the Procedure.
Science Fair Project Idea
thumbnail "Waste not, want not" is a common saying. These four words sum up an important principle: if you "waste" an important resource, you might find you don't have enough of it when you "want" it. One of the most important resources we have is clean water. In many parts of the world, including the western part of the United States, water shortages pose serious problems. In this science project, you will build an electronic circuit that can 1) detect when it is raining and 2) shut off power, such as… Read more
Elec_p066
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Time Required Average (6-10 days)
Prerequisites Some experience with electronics would be helpful. If you are new to electronics, plan to spend some time learning about the subject prior to making the circuit. The workbook included with the kit has introductory information.
Material Availability The procedure calls for an electronics kit that can be purchased online. See the Materials and Equipment list for details.
Cost Average ($50 - $100)
Safety No issues
Science Fair Project Idea
thumbnail This is a good project for someone who is interested in both electronics and color vision. The equipment needed is on the expensive side, but if you continue studying electronics, you can use it again and again. Read more
Elec_p038
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Time Required Average (6-10 days)
Prerequisites To do this project you should be familiar with Ohm's Law. Experience building electronic circuits on a solderless breadboard is also helpful. The breadboard is the biggest expense, which can be used for future explorations in electronics.
Material Availability Specialty items
Cost Very High (over $150)
Safety Adult supervision required when using power drill.
Science Fair Project Idea
thumbnail The makers of sports drinks spend tens to hundreds of millions of dollars advertising their products each year. Among the benefits often featured in these ads are the beverages' high level of electrolytes, which your body loses as you sweat. In this science project, you will compare the amount of electrolytes in a sports drink with those in orange juice to find out which has more electrolytes to replenish the ones you lose as you work out or play sports. When you are finished, you might even… Read more
Chem_p053
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Time Required Short (2-5 days)
Prerequisites None
Material Availability You will need a digital multimeter for this science fair project. See the Materials and Equipment list for more details.
Cost Average ($40 - $80)
Science Fair Project Idea
thumbnail Do you know how to find the north and the south poles of a magnet? What materials are more magnetic than others? Is there a way to measure how strong a magnet is? Is there a way to measure the strength of an electromagnet? How much does the material that is in the core of the electromagnet affect its magnetic strength? With this project, you'll be able to answer these questions and many others. You will learn how to build and use a simple meter for measuring magnetic field intensity. Read more
Elec_p030
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- Less Details
Time Required Average (6-10 days)
Prerequisites None
Material Availability Specialty items are needed. See the Materials tab for details.
Cost Low ($20 - $50)
Safety No issues
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