ArtsAutosBooksBusinessEducationEntertainmentFamilyFashionFoodGamesGenderHealthHolidaysHomeHubPagesPersonal FinancePetsPoliticsReligionSportsTechnologyTravel

Fast and Easy Science Fair Projects: Crash!

Updated on December 30, 2019
Click thumbnail to view full-size
Long nails
Long nails
Long nails

This is my 35th hub on Fast and Easy Science Fair Projects. This one is extremely easy, highly useful and fun! I'm sure you'll enjoy reading and trying out this one too, especially kids! Cheers! =)



The relationship between mass and force

Purpose: It often happens that objects are at rest, that is, not moving, are hit by moving objects and forced to move. What happens when the objects struck have different masses?

Overview: Sir Issac Newton did experiments to find the mathematical relationship between the mass of an object and how fast it moves when a given force strikes it. Mass is how much "stuff" an object is made up of. Newton found that the larger the mass of an object, the smaller will be its movement when a given force is applied.

Imagine a soccer ball filled with air and another one that is filled with sand. If you kicked each soccer ball with the same amount of force, the ball with more mass (filled with sand) would not move as far as the one with less mass (filled with air). You might hurt your foot on the ball with more mass, too!

Hypothesis: A soccer ball will move farther than a bowling ball when the same force is applied to each.

You need:

  • An adult
  • Ladder
  • Soccer ball
  • Bowling ball
  • Golf ball
  • Several thick hardback books
  • 2 wooden boards, 2-by-4 inch by 8 feet (240 cm) long
  • Hammer
  • 6 long nails
  • Ruler

Procedure: Let's strike a bowling ball (in place of a sand-filled soccer ball) and a soccer ball with the same force and measure how far they move. If Sir Issac Newton is right, the soccer ball which has less mass than the bowling ball, will move farther. (Be very careful handling the bowling ball. It could hurt your foot if it should fall on it. Have an adult help you if the ball is too heavy for you to handle safely.)

We need to have a force that will be exactly the same every time, so we can be sure each ball is struck with identical force. This is our Constant. To do this, construct a ramp with the long two 2-by-4 inch wooden boards, making a "V" shape. Rolling a golf ball down the "V" channel will cause it to strike whatever object is at the bottom of the ramp with the same force every time. If we let go of the golf ball at the same place on the ramp each time, the force of gravity will ensure that the ball is rolling at the same speed every time it reaches the bottom of the ramp.

Nail two 2-by-4 8-foot (240 cm) long pieces of lumber together, making a "V" shaped channel. This will be out wooden ramp.

Outside, set up a ladder. Rest one end of the ramp on the third or fourth rung of the ladder. At the ground end of the ramp, place a bowling ball so that it is touching the end of the ramp. The ground must be flat and level.

You'll get the most action if the bowling ball is struck in its middle, some small distance above the ground. Place books underneath the end of the ramp to raise it until it is positioned at the middle of the bowling ball. You may need to place a few books along the sides of the ramp to keep the "V" side facing up.

Pick a spot along the ramp to let go of a golf ball and start it rolling down the ramp. To get the most speed out of the ball, you can let it go from the high end of the ramp. Be sure, however, that you let the ball go from the same spot every time. Also, don't give the golf ball a "push" start, because you would not give it an even push every time. Just let go of the ball and gravity will start it rolling.

If a bowling ball moves when it is hit, use a ruler to measure how far it moved.

Now we want to see how far a soccer ball, which has much less mass, will roll when the same force is applied to it. The different masses of the two balls is the Variable in our project.

Release the golf ball. If the soccer ball moves a lot, it may be easier to use a tape measure, yardstick, or meterstick than a ruler to measure the distance it rolled.

If neither ball moved, increase the slope of the ramp by moving up one rung on the ladder, giving more speed, hence force. to the rolling bacll.

Results and Conclusion: Write down the results of your experiment. Come to a conclusion as to whether or not your hypothesis was correct.

Something more: Repeat the experiment using different balls at the bottom of the ramp; try a baseball, and a tennis ball. Can you predict which one will roll farthest?

Thanks for reading this one! Hope you liked it! If you want more on Fast and Easy Science Fair Projects, you can try my other Hubs relating to the topic. Here are five of my Latest Hubs on Fast and Easy Science Fair Projects for you:

Comments

    0 of 8192 characters used
    Post Comment
    • htodd profile image

      htodd 

      9 years ago from United States

      Thanks for the nice post

    working

    This website uses cookies

    As a user in the EEA, your approval is needed on a few things. To provide a better website experience, hubpages.com uses cookies (and other similar technologies) and may collect, process, and share personal data. Please choose which areas of our service you consent to our doing so.

    For more information on managing or withdrawing consents and how we handle data, visit our Privacy Policy at: https://corp.maven.io/privacy-policy

    Show Details
    Necessary
    HubPages Device IDThis is used to identify particular browsers or devices when the access the service, and is used for security reasons.
    LoginThis is necessary to sign in to the HubPages Service.
    Google RecaptchaThis is used to prevent bots and spam. (Privacy Policy)
    AkismetThis is used to detect comment spam. (Privacy Policy)
    HubPages Google AnalyticsThis is used to provide data on traffic to our website, all personally identifyable data is anonymized. (Privacy Policy)
    HubPages Traffic PixelThis is used to collect data on traffic to articles and other pages on our site. Unless you are signed in to a HubPages account, all personally identifiable information is anonymized.
    Amazon Web ServicesThis is a cloud services platform that we used to host our service. (Privacy Policy)
    CloudflareThis is a cloud CDN service that we use to efficiently deliver files required for our service to operate such as javascript, cascading style sheets, images, and videos. (Privacy Policy)
    Google Hosted LibrariesJavascript software libraries such as jQuery are loaded at endpoints on the googleapis.com or gstatic.com domains, for performance and efficiency reasons. (Privacy Policy)
    Features
    Google Custom SearchThis is feature allows you to search the site. (Privacy Policy)
    Google MapsSome articles have Google Maps embedded in them. (Privacy Policy)
    Google ChartsThis is used to display charts and graphs on articles and the author center. (Privacy Policy)
    Google AdSense Host APIThis service allows you to sign up for or associate a Google AdSense account with HubPages, so that you can earn money from ads on your articles. No data is shared unless you engage with this feature. (Privacy Policy)
    Google YouTubeSome articles have YouTube videos embedded in them. (Privacy Policy)
    VimeoSome articles have Vimeo videos embedded in them. (Privacy Policy)
    PaypalThis is used for a registered author who enrolls in the HubPages Earnings program and requests to be paid via PayPal. No data is shared with Paypal unless you engage with this feature. (Privacy Policy)
    Facebook LoginYou can use this to streamline signing up for, or signing in to your Hubpages account. No data is shared with Facebook unless you engage with this feature. (Privacy Policy)
    MavenThis supports the Maven widget and search functionality. (Privacy Policy)
    Marketing
    Google AdSenseThis is an ad network. (Privacy Policy)
    Google DoubleClickGoogle provides ad serving technology and runs an ad network. (Privacy Policy)
    Index ExchangeThis is an ad network. (Privacy Policy)
    SovrnThis is an ad network. (Privacy Policy)
    Facebook AdsThis is an ad network. (Privacy Policy)
    Amazon Unified Ad MarketplaceThis is an ad network. (Privacy Policy)
    AppNexusThis is an ad network. (Privacy Policy)
    OpenxThis is an ad network. (Privacy Policy)
    Rubicon ProjectThis is an ad network. (Privacy Policy)
    TripleLiftThis is an ad network. (Privacy Policy)
    Say MediaWe partner with Say Media to deliver ad campaigns on our sites. (Privacy Policy)
    Remarketing PixelsWe may use remarketing pixels from advertising networks such as Google AdWords, Bing Ads, and Facebook in order to advertise the HubPages Service to people that have visited our sites.
    Conversion Tracking PixelsWe may use conversion tracking pixels from advertising networks such as Google AdWords, Bing Ads, and Facebook in order to identify when an advertisement has successfully resulted in the desired action, such as signing up for the HubPages Service or publishing an article on the HubPages Service.
    Statistics
    Author Google AnalyticsThis is used to provide traffic data and reports to the authors of articles on the HubPages Service. (Privacy Policy)
    ComscoreComScore is a media measurement and analytics company providing marketing data and analytics to enterprises, media and advertising agencies, and publishers. Non-consent will result in ComScore only processing obfuscated personal data. (Privacy Policy)
    Amazon Tracking PixelSome articles display amazon products as part of the Amazon Affiliate program, this pixel provides traffic statistics for those products (Privacy Policy)
    ClickscoThis is a data management platform studying reader behavior (Privacy Policy)