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Science Fair Project Idea
thumbnail 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
thumbnail 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
thumbnail Yogi Berra said "You can observe a lot by just watching." In this human biology science fair project, you will observe how your eyes perceive color by watching afterimages. Afterimages are the images you see after staring at an object for several seconds and then looking away. You will also learn how different cone cells in your retina respond to different colors. Read more
HumBio_p021
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Time Required Short (2-5 days)
Prerequisites A computer with Internet access is recommended.
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail Have you ever been in an earthquake? What did it feel like? Did you jiggle back and forth? Up and down? Was there a jolt? Or a rolling motion? Come build a house Hansel and Gretel would love to eat, a special table to shake it on, and see how different soil types can amplify shaking. Read more
CE_p023
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Children who are allergic to peanuts should substitute a safe alternative for the peanut butter.
Science Fair Project Idea
thumbnail "What?! Many of my toys are also machines?" That's right—simple machines! Simple machines are everywhere! Under your feet when you climb stairs, in your hand when you use a utensil to eat your dinner, even in your arm when you throw a ball. Come visit this science fair project and explore the six types of simple machines. Find out how many are hiding under the hinged lid (yes, another simple machine) of your toy box! Read more
ApMech_p042
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- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail How does a parachute work? Do bigger parachutes work better than smaller parachutes? Find out in this science project if the size of the parachute matters. Read more
Aero_p017
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- Less Details
Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail 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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- Less Details
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
thumbnail How do you feel when you ride your bike into a strong wind? Do your legs feel like lead? How about when the wind is at your back? Does that make you feel ready for the Tour de France? In this science fair project, you will investigate how wind-powered devices, like pinwheels, also react in different ways to the direction of the wind. Read more
Energy_p025
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- Less Details
Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail Have you ever played paintball with your friends? Wonder how you can improve your game? Paintball guns use compressed gas to shoot paint-filled pellets at high speed, and with good accuracy. The flight path of the ball is determined by its speed and the angle at which it is shot, relative to the ground. In this sports science fair project, you will explore the ballistics of paintballs, focusing on how drag and other factors affect the results. Read more
Sports_p054
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Time Required Average (6-10 days)
Prerequisites You should have access to a paintball gun, be familiar with how to shoot it safely, and have access to an open area where you can shoot it. This project has a fairly involved procedure, since you are measuring several parameters (velocity, time of flight, distance) and also comparing these measurements to what you would expect based on calculations. Feel free to customize the procedure based on your interests.
Material Availability Specialty items: You will need access to a paintball gun and accessories, including safety gear for you and for three helpers, as well as an instrument to measure velocity of the paintballs. See the Materials and Equipment list for details.
Cost Average ($50 - $100)
Safety Minor injury is possible, so wear eye protection. Adult supervision is required.
Science Fair Project Idea
thumbnail Practice makes you better at most things, and knowledge makes practice so much easier! Can you swirl a circular toy called a hula hoop around your waist or arm? Is it hard? What knowledge can you apply to find ways that make hula-hooping easier? Physics! Yes, physics will help you determine what makes one hula hoop a winner and another a flop. In this science project, you will create your own hula hoops, spin them, and draw conclusions. The road will then be open to your becoming a hula hoop… Read more
Phys_p088
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Time Required Short (2-5 days)
Prerequisites You should know how to (or be willing to learn to) hula hoop around your waist or arm. Note: Hula-hooping is fairly easy if you have the right hula hoop for your body. This science project provides guidelines to make such a hula hoop.
Material Availability Readily available.
Cost Very Low (under $20)
Safety Adult help is required to cut the polypipe tubing.
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