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Others Like “Balancing Act: Finding Your Center of Gravity”

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Science Fair Project Idea
"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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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
What do Nolan Ryan, Mark Wohlers, Armando Benitez, and Roger Clemens have in common? These men are all major league baseball pitchers who have pitched baseballs at 100 miles per hour or greater! What does it take to throw a baseball this fast? Does it come down to having the biggest muscles? Can a ball thrown this fast also be accurate? In this sports science fair project, you will learn about the biomechanics of pitching. Investigate how body position and physics interact to produce fast… Read more
Sports_p053
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Time Required Short (2-5 days)
Prerequisites You should do this sports science fair project in a location where you can tie a clothesline either between two trees or two poles. Since you will be throwing a baseball, make sure that the location is away from windows and other breakable structures.
Material Availability You must have access to a camcorder and baseball equipment. Make sure that the camcorder has a timer and the ability to display the recording in slow motion.
Cost Low ($20 - $50)
Safety Minor injury is possible. Adult supervision is recommended.
Science Fair Project Idea
If you'd like to investigate the physics of amusement park rides, then this project is for you. You'll build a roller coaster track for marbles using foam pipe insulation and masking tape, and see how much the marble's potential energy at the beginning of the track is converted to kinetic energy at various points along the track. Read more
Phys_p037
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Adult supervision recommended when using utility knife
Science Fair Project Idea
Planning on getting a new puppy soon? Why not use some of your play time with puppy to study growth rates and puppy development? You can easily chart a young puppy's weekly weight and growth over several months to compare how quickly body dimensions and bone lengths change. While this project may take some time, it's well worth the effort. You might be amazed at the dramatic growth of your "canine kid," and what other project combines science with as much fun, or a more adorable subject? Read more
MamBio_p018
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Time Required Very Long (1+ months)
Prerequisites Comfortable with and access to a puppy 7-10 weeks old
Material Availability Readily available
Cost Very Low (under $20)
Safety No hazards
Science Fair Project Idea
"Ay Yaah!" echoes across the room while a loud "thud" signals a powerful kick striking the kick bag. Sound familiar? If the discipline, precision, and power of martial arts is your bag, try this project out for size. You won't be sparring with any opponent other than a swinging kick bag, but you'll learn a few powerful lessons about the physics of efficient kicking. No black belts required; just bring your best form and work up a little sweat while you use your feet to do fun science. Read more
Sports_p020
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Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Speciality items (kick bag)
Cost Very Low (under $20)
Safety Minor injury possible
Science Fair Project Idea
While watching an ice hockey game, have you ever wondered what differentiates a good player from a great player? For sure, the great player is athletically superior to the good player. But maybe it is a combination of athleticism and equipment. Maybe a great player knows which hockey stick is best for him or her. Hockey players can choose to play with hockey sticks with different flexibilities or "flex." In this science fair project, investigate how stick flex affects shot accuracy and speed.… Read more
Sports_p049
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Time Required Average (6-10 days)
Prerequisites Access to an empty ice rink and knowledge of how to play ice hockey.
Material Availability Specialty items required. You need access to an empty ice rink, hockey equipment and safety gear, a sports radar gun appropriate for hockey, and two volunteers who also have equipment and safety gear.
Cost Low ($20 - $50)
Safety Minor injury possible. Wear safety gear.
Science Fair Project Idea
A tsunami is a series of waves made in a body of water, like the ocean, that can cause serious destruction when they hit the coastline. In deep water, a wave can be just a few feet high and travel very fast. As it nears the coastline, and moves into shallower water, tsunamis usually slow down, but the wave height can grow to 100 feet! In this ocean science project, you will model a tsunami and investigate how wave velocity (speed) depends on water depth. Does it match the mathematical equation… Read more
OceanSci_p014
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Time Required Short (2-5 days)
Prerequisites None
Material Availability You will need an extra-long plastic storage box to use as a water tank. Plastic storage boxes that can slide under a bed work very well. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety Use caution when working with the lamp and the water tank. Make sure the two are far apart from each other at all times. Adult supervision required.
Science Fair Project Idea
Did you know that the United States jump rope record for the greatest number of jumps in a minute is 367! That's more than six jumps a second! How close do you think you can get to that number? If you're going to try to break the record, it might be important to figure out how jump rope length affects your success. Try your hand at this skipping science fair project and jump-start your chances for a jump rope record. Read more
Sports_p051
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Time Required Very Short (≤ 1 day)
Prerequisites To complete this science fair project, you'll either need to know how to jump rope, or be willing to learn how.
Material Availability Readily available
Cost Low ($20 - $50)
Safety No issues
Science Fair Project Idea
Have you ever seen a skateboarder jump over an obstacle or slide down a railing? It looks like they are defying the laws of physics when they perform these tricks. It looks like it, but that's not the case. Physics describes the motion of objects and it is a skateboarder's best friend! All of these tricks can be explained by physics. In this sports science fair project, you will learn how speed affects "popping an ollie." The ollie is a basic skateboarding trick, and it's the first step to more… Read more
Sports_p055
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- Less Details
Time Required Short (2-5 days)
Prerequisites You, or someone you know, must already own a skateboard and safety gear, and know how to skate to perform the ollie trick. You must also have access to a video camera (it should include a timer if you decide to try one of the variations). You should perform the tests in a skateboard park or in a large area where it is legal and safe to skateboard.
Material Availability Readily available
Cost Very Low (under $20)
Safety Injury is possible. Adult supervision is required. The person performing the ollie must wear a safety helmet, elbow pads, and knee pads.
Science Fair Project Idea
In baseball, coaches use hit charts to track the results of every hit each player makes, giving a measure of the player's performance. Have you ever wondered what things affect where a baseball goes when a player hits it with a bat? In this project you will set up an experiment to hit a ping pong ball in a controlled manner using a toy catapult, then learn about the physics of baseball by making your own hit chart. Read more
Sports_p060
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Time Required Average (6-10 days)
Prerequisites To do this project, you should understand what a coordinate system is and know how to make a simple scatter plot.
Material Availability This science project requires a kit available from the Science Buddies [# Link Name="Sports_p060.3" Value="HtmlAnchor" HtmlText="store" #]. See the Materials and Equipment list for details. Estimated project time includes shipping.
Cost Average ($40 - $80)
Safety Never launch projectiles at people or animals. Be careful not to get your fingers caught in the moving parts of the catapult.
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