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Others Like “Bombs Away! A Ping Pong Catapult”

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Science Fair Project Idea
Many sports use a ball in some way or another. We throw them, dribble them, hit them, kick them, and they always bounce back! What makes a ball so bouncy? In this experiment you can investigate the effect of air pressure on ball bouncing. Read more
Sports_p007
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Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
A strobe light can illuminate an entire room in just tens of microseconds. Inexpensive strobe lights can flash up to 10 or 20 times per second. This project shows you how to use stroboscopic photography to analyze motion. Read more
Photo_p003
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Time Required Average (6-10 days)
Prerequisites This project requires camera with adjustable shutter speeds and lens apertures, a tripod and cable release.
Material Availability Specialty items
Cost Low ($20 - $50)
Safety No hazards
Science Fair Project Idea
What can you do with magnets and ball bearings that makes a lot of noise? Why, build a magnetic rifle, called a Gauss rifle, of course! Now, this rifle is not a weapon, but a way for you to learn a lot more about physics concepts, like momentum. In this physics science project, you will investigate how far a ball bearing launched by a Gauss rifle will fly, depending on how many magnetic acceleration stages are in the rifle and the ball bearing's initial velocity. This science project makes for… Read more
Phys_p081
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Specialty items including neodymium magnets and steel ball bearings are needed for this project. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety A Gauss rifle can produce high velocity projectiles. Do not aim the gun at anyone or anything; do not put your hand in front of the projectile. Operate the Gauss rifle safely. Be sure to read the important safety notes at the beginning of the Experimental Procedure before you begin. Scissors or other metal objects may be attracted to the magnets; use caution when using metal objects near the magnets.
Science Fair Project Idea
Renewable energy is the energy that is extracted from natural sources, such the Sun (solar), earth (geothermal), wind, and water (hydropower). These sources are renewable because they can be replenished by the same natural sources within a short period of time. Hydropower energy is extracted from moving water, like ocean wave energy and tidal energy. In this energy science fair project, you will make a model of a tidal barrage (also known as a dam) and investigate how emptying the tidal barrage… Read more
Energy_p028
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Time Required Short (2-5 days)
Prerequisites You will need access to a drill and hole saws.
Material Availability Readily available
Cost Average ($50 - $100)
Safety Minor injury is possible. Use caution when using a drill. Always wear safety goggles when working with power tools. Adult supervision is required.
Science Fair Project Idea
You might think that plants and animals have little in common with batteries, springs, or slingshots, but they actually do have something in common. Both living and non-living things store and transfer energy from one form to another. In this physics science fair project, you'll investigate this energy storage and transfer, not in a plant or animal, but in bouncy balls. You'll find out if there are limits on how much energy can be stored and if there are losses when the energy is transferred. Read more
Phys_p071
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
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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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 .
Cost Average ($40 - $80)
Safety No issues
Science Fair Project Idea
You are right next to the basket and someone passes you the ball. Will you go for a direct shot or will you use the backboard and take a bank shot at the basket? Would different positions on the court give you a higher chance of making a shot using the backboard than others, even when keeping the distance from the hoop the same? In this science project, you will build a scale model and test different positions on the court to determine if one results in a better chance of making a bank shot… Read more
Sports_p024
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult supervision is recommended when using the craft or utility knife.
Science Fair Project Idea
How easy is it for you to walk along and follow a line that is painted on the ground? Simple, right? You might be able to follow a line without giving it much thought, but how could a robot do that? In this project, you will build your own automatic line-following robot that can race around a track that you create. This technology has plenty of real-world applications—maybe one day you could help design self-driving cars! Read more
Robotics_p023
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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 follow the directions in the Procedure in order to avoid short circuits when building your robot.
Science Fair Project Idea
Naval fighter pilots seem to defy physics each time they fly their jets off of an aircraft carrier. Normal runways are thousands of feet long so that airplanes can develop enough lift to fly. But a runway on an aircraft is much shorter. How can naval pilots get their fighter jets into the air without falling off the carrier into the ocean? Well, because they get a boost from a catapult! Sounds unbelievable? It's not, and you can find out more about catapult-assisted takeoff in this aerodynamics… Read more
Aero_p048
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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
If you've ever played or watched basketball, you might already know that your chances of successfully banking a shot on the backboard are higher in certain positions on the basketball court, even when keeping the distance from the hoop the same. Ever wondered what would account for this? Do you think you could actually explain this using geometry? This science project will put your knowledge of geometry and algebra to good use. You will calculate and quantify how much more difficult it is to… Read more
Sports_p064
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Time Required Short (2-5 days)
Prerequisites You should have a familiarity with basic algebra.
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
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