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Science Fair Project Idea
Many people are surprised to learn that the season's we experience—winter, spring, summer and fall—have nothing to do with the distance of Earth from the Sun. In this science fair project, you will investigate how the temperature on Earth actually depends on the tilt of Earth's axis of rotation. Read more
EnvSci_p051
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- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability You will need a couple of specialty items: a globe of Earth and a heat lamp. Light from the sun can be used if a heat lamp is not available.
Cost Average ($50 - $100)
Safety Minor injury is possible, so be careful when using the heat lamp.
Science Fair Project Idea
Have you ever been annoyed by poor Wi-Fi reception for your phone, tablet, or laptop? Do you wish there was something you could do about it? In this project you will learn how to build a parabolic reflector that you can attach to the antenna of a regular wireless router to help boost its signal. Read more
CompSci_p010
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- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability This project requires a Wi-Fi router and a smartphone, tablet, or laptop with a Wi-Fi connection. You will also need access to a printer to print the parabolic template. See the Materials and Equipment list for details.
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
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
You can see examples of parabolic reflectors in flashlights, car headlights, satellite TV antennas, and even on the sidelines at football games. How do these "dish" antennas work to gather signals? What is the best position for placing the detector for these antennas? In this project, you can use an LED and a simple photodetector to find out for yourself. Read more
Elec_p040
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- Less Details
Time Required Long (2-4 weeks)
Prerequisites None
Material Availability Specialty items
Cost Average ($50 - $100)
Safety No issues
Science Fair Project Idea
In the animal kingdom, many different critters use whiskers to help them find their way around in the dark, through murky waters, or even to help them hunt prey. Whiskers can be very useful when the animals cannot rely on sight. Did you know that you can also build a robot that uses "whiskers" to find its way around? This project will show you how to build a simple robot that uses whiskers as "bump sensors" to help the robot detect when it is about to bump into an obstacle, so it can turn… Read more
Robotics_p028
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- Less Details
Time Required Average (6-10 days)
Prerequisites You will need to know how to use a breadboard to do this project. See the Science Buddies reference [# ProjectGuide Name="Breadboard.Tutorial" Value="HtmlAnchor" #] if you have not used a breadboard before.
Material Availability This science project requires specific circuit components from an electronics vendor. See the Materials list for details.
Cost High ($100 - $150)
Safety Short circuits can get very hot and present a burn hazard. Be careful to avoid short circuits when building your robot. See the Procedure for more information.
Science Fair Project Idea
Have you ever left your bike outside in the rain? If so, you might have discovered unpleasant surprises afterwards—reddish-brown patches, known as rust, and your wheels, brakes, and gears might have stopped working so smoothly. In this chemistry science fair project, you'll learn why rust, a type of corrosion, is a serious problem. You'll also discover that not all rains are the same! Find out which ones can speed up the rusting process. Read more
Chem_p079
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- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Wear gloves to avoid steel wool splinters.
Science Fair Project Idea
Water is an interesting thing. We drink it, swim in it, and wash ourselves with it. We can get energy from water by damming it and sending it through a turbine. But did you know that we can use the natural electrical charges present in water and a Kelvin electrostatic generator to create sparks? You can even use a Kelvin electrostatic generator to temporarily light a bulb! Now that is one bright idea! Read more
Elec_p069
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- Less Details
Time Required Average (6-10 days)
Prerequisites None
Material Availability You will need to visit your local hardware store to purchase plumbing items to build the Kelvin electrostatic generator. You will also need a hand saw, a drill, a heat gun, a digital scale, a fan, and a dehumidifier. See the Materials and Equipment list for details. Cost of the project may be lower depending on what tools you already have available.
Cost High ($100 - $150)
Safety Parts of the Kelvin electrostatic generator require use of a hand saw and a drill. Wear safety goggles when using power tools. Adult supervision is required.
Science Fair Project Idea
Everyone knows electricity can create heat, especially because our electrical appliances tend to warm up when turned on. But wouldn't it be cool to do the reverse — generate electricity from heat? In this science project, you will study why it happens, measure the effect, and then use the phenomenon to build your own device, a thermocouple thermometer, that will enable you to convert heat into electrical energy. Read more
Elec_p072
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- Less Details
Time Required Short (2-5 days)
Prerequisites Understanding of or willingness to look into the concepts of temperature, heat, electrical current, electrical potential, and different theories of modeling electric conductors.
Material Availability Readily available.
Cost Low ($20 - $50)
Safety No issues.
Science Fair Project Idea
Have you ever seen butterflies fluttering around outside, gliding through the air and landing on flowers? While they are delicate and fragile, butterflies are actually excellent flyers. They are so good, in fact, that scientists at Harvard University studied butterfly wing shapes as an inspiration for building a miniature flying robot. In this science project, you will do your own version of the Harvard scientists' experiment to measure the flight performance of butterfly wings. Read more
Aero_p049
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- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Average ($40 - $80)
Safety No issues
Science Fair Project Idea
Do you ever wish you could hire someone to guard your favorite toys, or keep certain people from coming into your room? What if you could make a robot to do it for you? This project will show you how to build a simple security robot controlled by a motion-detecting sensor. When someone comes near your valuables or enters the room, the robot will spring to life and (hopefully) scare them away! Read more
Robotics_p024
+ More Details
- Less Details
Time Required Average (6-10 days)
Prerequisites You will need to know how to use a breadboard to do this project. See the Science Buddies reference [# ProjectGuide Name="Breadboard.Tutorial" Value="HtmlAnchor" #] if you have not used a breadboard before.
Material Availability This project requires the Science Buddies BlueBot Kit. See the Materials list for details.
Cost High ($100 - $150)
Safety Short circuits can get very hot and present a burn hazard. Be careful to avoid short circuits when building your robot. See the Procedure for more information.
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