Bouncing Balls Experiment Coursework On Resume


Could you play tennis with a baseball or soccer with a basketball? (Listen to student responses.) What are all the different sports that are played with balls? (Possible answers: Volleyball, soccer, football, softball, baseball, ping pong, wiffle ball, bowling, dodge ball, golf, jacks, tennis, croquet, raquetball, squash, tetherball, etc.) What are some differences and similarities among the balls used for different sports?

How do the materials and design of a ball affect its characteristics? A soccer ball is designed to be bouncy, flexible and full of air, making it great to be kicked down a soccer field without injuring players. A bowling ball is dense, heavy and hard so that it can be rolled down a bowling alley to hopefully get a strike rather than a gutter ball. Each ball is designed with specific materials, making it appropriate for a particular sport.

When engineers are given a design task, whether it is designing a new volleyball that can bounce twice as high or a new airplane or skyscraper, they must study and analyze the properties of the materials they would like to use. What might be some material properties that they consider ? (Possible answers: Weight, strength, hardness and flexibility.)

Do you think it is important to understand materials and their properties, especially in the design of a ball used in a game? Well, imagine being the goalie in a soccer game that uses a bowling ball instead of a soccer ball. OUCH!!!


Background Information

This activity coincides well with math graphing practice.

Recommended Resources:

Description of different graph types (line, scatter, bar, pie). Nice example pictures.

This is a link to an online game that teaches mean, median, and mode.

Allows children to create graphs and experiments with probability.


  1. Gather materials and make copies of the worksheets.
  2. Explain the two tests that will be done to determine the bouncing properties of different balls.
  3. Divide the class into groups of three students each. One student serves as the recorder, one drops the ball, and one is the timekeeper.
  4. Assign each group a ball. After running both tests on that ball, have the groups switch balls (rotate) and test a new ball until all balls have been tested by each group.
  5. Conduct tests and record data.

Test 1: Ball Bounce Height Comparison

The first time you drop the ball do not take a measurement, just watch where the ball goes so the next time the observer knows where to look. This help to greatly increase the accuracy of the experiment. Drop a ball from 1 foot off of the floor, slightly in front of a yardstick. Measure the height the ball reaches after the first bounce and record. Repeat this test from 2 ft, 3 ft, and 1/2 ft. Do this test for each ball and record data. To increase accuracy, you may repeat each test three times and divide by 3 to find an average.

Test 2: Ball Bounce Time Comparison

Drop a ball from a height of 3 ft, timing from when the ball is released until the ball stops bouncing. Record the time. Repeat this test for each ball. Talk with the students about coming up with a system for releasing the ball and starting the stop watch. Possible suggestions are to have the same student drop the ball and start the watch, or have the two students count down from five.

  1. Graph group results. (If this activity is not able to be accompanied by a math lesson on graphing, introduce the topic before the activity starts or perhaps after the class has recorded its data and worked through it as a group.)
  2. Compare results as a class.

Почему бы мне не помочь тебе? - предложил Хейл. Он подошел ближе.  - Я опытный диагност. К тому же умираю от любопытства узнать, какая диагностика могла заставить Сьюзан Флетчер выйти на работу в субботний день.

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