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Others Like “The True Cost of a Bike Rack: Aerodynamics and Fuel Economy”

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Science Fair Project Idea
Do you like to tell adults where to go and how to get there? Well, here's your chance to do it in the name of science! In this science fair project, you will see what happens to your car's fuel efficiency when it takes you downtown to see a movie, up a hill for a great view, or out for a cruise on a flat country road. Read more
Energy_p022
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Car with an instantaneous MPG meter is required.
Cost Very Low (under $20)
Safety The car driver should obey all traffic laws while conducting this experiment.
Science Fair Project Idea
In our , you were challenged to use the VoxCAD software to design the fastest possible robot using different materials. However, we did not ask you to think about one big thing — efficiency. It is great to design a robot that is very fast, but what if it also consumes a lot of energy? Engineers must consider this when designing robots in the real world — robots that use more energy to move will drain their batteries faster, which can be a problem. This is similar to the concept of… Read more
Robotics_p017
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Time Required Average (6-10 days)
Prerequisites Familiarity with VoxCAD software — we recommend completing our [# ProjectIdea Name="Robotics_p016" Value="HtmlAnchor" HtmlText="introductory VoxCAD project" #] first. Basic knowledge of the concepts of energy consumption and power, or a willingness to learn them.
Material Availability This project requires the free VoxCAD software and a computer running Microsoft® Windows®.
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
Do you like to watch the Olympics and see a new world record get set? Have you ever wondered how fast you'd need to go to achieve that world record? Well, in this sports science fair project, you'll find out how to compute speeds needed to achieve world records. Not only that, but you'll learn what speed is, and how to measure it in almost anything that moves! So head for the track, you're on a search for speed! Read more
Sports_p048
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Safety gear should always be worn when participating in sports. Choose a safe location at which to run your speed tests.
Science Fair Project Idea
Watching professional racing-car drivers compete can be thrilling. The high speeds that racing cars can reach — up to 200 miles per hour (mph) and more! — put some unique demands on the vehicles. For example, to withstand high temperatures, the tires must be inflated with nitrogen gas, instead of air as with normal car tires. This enables the drivers to have better control over steering their cars as they race around the track. In this sports science project, you will inflate… Read more
Sports_p062
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Time Required Short (2-5 days)
Prerequisites None
Material Availability A helium tank is required to do this science project. See the Materials and Equipment list for details.
Cost Average ($40 - $80)
Safety Follow all safety precautions when using the helium tank and working with helium gas, as described on the tank's packaging.
Science Fair Project Idea
It's fun to go swimming! To feel the power of your body as you launch yourself into the water. But did you know that swimming isn't just about skill and athleticism? The human body consists of skin, contours, and curves. How the water moves along your body and the clothing you are wearing determines how fast you can go. In this science fair project, you will investigate the effects of a force called drag. You will compare the time it takes to swim 25 meters in a swimsuit versus swimming the… Read more
Sports_p052
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Time Required Short (2-5 days)
Prerequisites You need to be an excellent swimmer and have access to a swimming pool that is at least 25 meters in length. Do not perform this science fair project if you are not in good health. Get permission from your parents or guardians to do this science fair project.
Material Availability This science fair project requires access to a swimming pool during a time when it is not crowded.
Cost Low ($20 - $50)
Safety Minor injury is possible. This science fair project requires adult supervision in a special facility. Lifeguards must be available.
Science Fair Project Idea
If you ride a bike, you probably know that you have to occasionally pump up the tires to keep them fully inflated. Over a long period of time, the tires slowly leak air, so their pressure will decrease. Have you ever noticed that it is actually harder to ride a bike when the tire pressure is too low? This is because the tires are a big factor in the rolling resistance of the bike. In this sports science project, you will measure how tire pressure affects the force required to move a bike. How… Read more
ApMech_p029
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Time Required Average (6-10 days)
Prerequisites None
Material Availability This science project requires a bike with training wheels and a special spring scale to measure force. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety Only do this science project in a safe area where there are no cars, like a playground or a sidewalk. Do not do this science project in a street or parking lot. The volunteer riding the bike must wear a bike helmet.
Science Fair Project Idea
What makes some objects more streamlined than others? Find out which ordinary objects around your house are made to move smoothly through the water in this easy science fair project. Which objects will produce the most drag when pulled through the water? Read more
Aero_p022
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Time Required Very Short (≤ 1 day)
Prerequisites You will need access to a swimming pool.
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult supervision is required. Use caution when working near the swimming pool.
Science Fair Project Idea
Just one sheet of paper can lead to a whole lot of fun. How? Paper planes! All you have to know is how to fold and you can have a simple plane in a matter of minutes! But what design should you use to build the best plane? In this aerodynamics science project, you will change the basic design of a paper plane and see how this affects its flight. Specifically, you will increase how much drag the plane experiences and see if this changes how far the paper plane flies. There is a lot of cool… Read more
Aero_p046
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Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Fly your planes in a large area, away from foot and vehicle traffic.
Science Fair Project Idea
Have you ever tried rubbing your stomach and patting your head at the same time? What about doing your homework or studying for your math test while watching television? It is tough to focus on a task when you are distracted doing something else, isn't it? In this science fair project, you will investigate how distractions affect your focus on a task, such as driving, by looking at how gaming scores are affected as you're talking on a cell phone or having a conversation with a friend. Read more
Games_p018
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Time Required Short (2-5 days)
Prerequisites None
Material Availability You need access to a gaming system, such as the Nintendo Wii, as well as Mario Kart or another driving game that requires a steering wheel, and a steering wheel for that game; or you can visit a video arcade to play a driving game with a steering wheel.
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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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Average ($40 - $80)
Safety No issues
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