Tennis ball drop test, theballwarmeryou never have to play with cold balls again. Calculate the acceleration of gravity from the motion graphs. Bouncing balls worksheet answers teach engineering. A researcher conducted a similar experiment using rubberball and was able to develop a mathematical equation from his results. Repeat steps 3 and 4 but change the drop height to. Bouncing balls when baseball was in its infancy before 1848, the ball had plenty of bounce. How does theheight from whichh you drop a ball affect. Which ball and surface from the experiment would be best for playing basketball. Experiment 8 1 8 bouncing ball objective to collect and interpret motion data of a bouncing ball using a motion probe and data studio software. Besure to perform 3trials, and allow time for team members torecord the data. Todays baseball is 9 to 9 14 inches in circumference, is made up of layers of yarn over a rubbercoated cork center and may not seem to have bounce to it.
Help your young athletes practice hitting a ball with these fun activities. Kids science fair project about the bouncing height of a ball. Elasticity allows the ball to return to its original shape after being compressed or stretched, such as hitting the floor. Download fulltext pdf download fulltext pdf qbounce, the quantum bouncing ball experiment article pdf available in physics procedia 17. For trials 27, repeat steps 5 and 6 but drop the ball from the height indicated in. When baseball was in its infancy before 1848, the ball had plenty of bounce. The energy goes into deforming the ball from its original round shape to a squashed shape. Before conducting this experiment, use this time to formulate your hypothesis. How to make a bouncing ball easy science experiments. I have actually been a big fan of dover for a long time and my guess is you have too, only you may not even realize it. Bouncing ball physics is an interesting subject of analysis, demonstrating several interesting dynamics principles related to acceleration, momentum, and energy. Attach a tape measure to a wall, measuring up from the floor for perhaps a meter. Practice dropping the ball a few times so that you can get a few.
Bounce no bounce balls experiments steve spangler science. This experiment has also been done with raw eggs instead of tennis balls. Since each group uses a different ball, they generate different sets of data. Sep 04, 20 form a students were given a ball and needed to find a relationship between the ball s drop height and initial bounce height. These easy science experiments are fun for kids to learn all about the world around them this video shows how to make bouncing balls easily at home. Bouncing ball experiment lesson plan for 8th 12th grade. Bouncing ball experiment focus educational software ltd.
In this paper, the dynamics of a bouncing ball is described for several common ball types having. Learners drop a ball from different heights and measure the corresponding bounce. An interactive experiment to investigate the factors that determine the height to which a squash ball bounces. This also helps if your ball becomes sticky as you roll it between your hands. This frames of refernce pdf will guide you through an analysis of the changing frames of reference. When the ball hits the floor and stops, that energy has to go somewhere. Five different kinds of balls, all of which bounce pretty well. Theres some serious science behind why you just clicked. In this lesson, students conduct a series of experiments with different balls to observe which bounce the highest and to see how they could make balls bounce higher. You dont need any special equipment to conduct bouncing and rolling experiments. After completing the lab and all data sheet calculations, use the graph paper provided to graph your data.
At the end ofthe experiment, everyone should use their calculators and figure the average bounce height for each ball inthe experiment. Determine the height of the drop and the bounce by measuring from the bottom of the ball. Form a students were given a ball and needed to find a relationship between the balls drop height and initial bounce height. 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. Notice that collisions can also act to remove energy from a ball. Bouncing ball problem and geometric series a motivating example for module 3 project description this project demonstrates the following concepts in integral calculus. Experiment percentage energy loss of a bouncing ball. This experiment requires a ball that will bounce and a meter stick or other measuring device.
While balls have been used as toys forever, the bouncing ball is a more recent innovation. As you design this experiment, be sure to pay attention to the independent variable the variable that you change in the experiment. We completed part two of the project where we designed and made experiments from the materials strand. One ball bounces like a super ball while the other ball is dead. Bouncing ball investigation essay bouncing ball investigation this is an experiment to investigate bouncing balls and how they behave in different situations. Simple projects using household recyclables by roz fulcher and published by dover publications. The person performing the experiment either has to make a good estimation of its height or film the bounce in front of a measuring stick. Lesson to help any ks3 class get their heads around planning and carrying out an experiment.
A color ball is placed inside the launcher at the bottom of the play area, while the next ball will also be displayed. The height to which the ball bounces is to be estimated as carefully as possible. However, this is unlikely within the scope of this experiment. Bouncing ball experiment a squash ball is a hollow ball made of rubber, with air inside. Kids are born scientists and love to experiment now and then. Pdf in this paper, the dynamics of a bouncing ball is described for several common ball types having different bounce characteristics. Repeat steps 3 and 4 but change the drop height to 1oocm, 150 cm. Does temperature affect how a ball bounces ks2 the world cup science experiments resource pack. Note the height which the ball reaches after bouncing by using the metre rule. Hypothesis independent, dependent, and controlled variables if we decrease the height of the drop of the ball, then the number of bounces will increase, because as the height decreases, the ball will reach the ground faster and faster every time because the height of the drop is. Drop the ball 4 more times from 40 cm, recording the bounce height each time, for a total of 5 drops.
For the experiment conducted in the development of the unit, the seven data points are shown on the two screens below. Drop a ball from 50 cm and record how high it bounces. He found that y 34 x, where x represents the dropped heights and y represents the bounce heights. Bounce back ball experiment student version group members.
The dropper should tell the recorder the drop height before dropping the ball. Experiment was repeated for a total of 3 trials per height and recorded in a table with averages calculated. Then, place the tennis ball on top of a basketball and hold both balls so the tennis ball is again at chest height. Bouncing ball science experiment by focus educational software.
This is our first time to do the discover primary science and maths project. Because science values accuracy, and estimating the height of a bouncing ball in real time is a bit of a dicey proposition, you should have a camera that can see the ball and the measuring device behind it record your different trials. For this activity, you are going to investigate the effect the. This raises the temperature of the ball and increases the bounciness. Experiment with hitting balls using different size bats. The dropper will hold the ball at the various heights given in table and then will select three more heights from which to drop the ball see figure 14b. Move your mouse to change the direction of the launcher, then click to launch the ball. An interactive science experiment to investigate the factors that determine the height to which a squash ball bounces. Measure the mass of the ball by using the top pan balance. Almost everybody, at some point in their lives, has bounced a rubber ball against the wall or floor and observed its motion. Ball bounce lab investigating kinetic and potential energy. The earliest baseballs had a rubber core and were somewhat smaller. Ball, metre rule, top pan balance, stand with clamp.
Steps involved in making a bouncing ball with ingredients. The ball will start out sticky and messy, but will solidify as your knead it. Measure the height the ball reaches after the first bounce and. Ball and beam balance final report tom trapp and wil selby department of mechanical engineering massachusetts institute of technology 2. At the end of the experiment, everyone should use their calculators and figure the average bounce height for each ball in the experiment. With this assumption, the equation of kinetic energy can be used to find the velocity. Notice that the tennis ball goes shooting off above your head at a high speed.
Jun 19, 2017 add a tiny drop of the borax mixture to the ball once its shaped to smooth out the outer surface. Dover has kindly sponsored this post but all opinions are my own. All you need are objects to bounce, objects to roll and a fair amount of curiosity. Students did as many trials as they wanted and then used their data to. Almost everybody, at some point in their lives, has bounced a rubber ball. Bouncing ball experiment by giselly zepeda on prezi. Pdf acoustic measurements of bouncing balls and the. Drop a ball from 1 foot off of the floor, slightly in front of a yardstick. For trial 1, hold the ball at a height of 40 cm, drop the ball carefully and observe the bounce height. Bounce back ball experiment apopka memorial middle. Numeric example in my experiment, the ball was dropped from a height of 6 feet and begins bouncing. Drop the tennis ball, it too bounces up to a height lower than that from which it was dropped. When the ball deforms, its molecules are stretched apart in some places and squeezed together in others.
Set the wooden board flat on the ground next to a wall or table. Bouncing and rolling are two of the most common forms of motion we encounter each day, and both are rich for experimentation. This is just a sample of how to record your results. My experiment is studying the way in which a ball bounces and how much different types of balls bounce. This bouncing ball experiment lesson plan is suitable for 8th 12th grade. Few independent variables will be changed, so the investigation is easy to manage, and the data is easier to process. Drop do not throw the ball from a carefully measured height using the meter stick. Pdf the bounce of a ball is a seemingly innocuous event that can. Ks3 how science works bouncy balls practical teaching. The ball gains energy of motion, known as kinetic energy. Lesson 3, bouncing balls activity for high school bouncing balls.
The material used to make the bouncy ball and the tile floor would be the best for playing basketball because you need a ball that can bounce well for dribbling the ball down the court. Determine how high the ball rebounds on its first bounce. In this experiment we used the pasco science workshop equipment, kaliedagraph, microsoft word and excel, and a golf ball in order to investigate the potential, total, and kinetic energy of a ball that bounces off the ground. 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. Hold a tennis ball at chestheight, drop it onto a hard surface and notice how high the ball bounces. Measure the height the ball reaches after the first bounce and record.
Tape the meter stick to the wall or table as shown. See the bouncing ball chart for an example of how to create the chart. The ball was then dropped and the rebound was measured by eye at approximately 90 degrees to the ruler to minimise parallax errors. Write down the steps you are going to take during this experiment in a way that someone else could repeat the experiment exactly the way you do. You will be working in teams of four to measure the rebound heights of a tennis ball. Store your plastic ball in a sealed ziploc bag when you are finished playing with it. Be sure to perform 3 trials, and allow time for team members to record the data. The tennis ball should bounce off of the basketball and fly.
If youd like even more awesome science experiments then enter your email address below and grab your free science experiment book. Bounce no bounce balls the black rubber balls look and feel identical in every way except in the way they bounce. Bouncing balls were originally made of natural rubber, though they are now made of plastics and other polymers and even treated leather. This experiment is as old as the hills maybe even older. My personal opinion is, it will suit the age group from 3 to 12. Before starting a game of squash, most players will warm up the ball by knocking it around the court. In a laboratory activity students study the behaviour of a bouncing ball. Todays baseball is 9 to 9 14 inches in circumference, is made up of layers of yarn over a rubbercoated cork center and may not seem to have bounce. If the ball forms a group of at least 3 balls of the same color, the whole group of balls will be destroyed. To calculate the percentage energy loss of a bouncing ball. At the age of 3 kids love to make a mess out of things like powder, glue, starch, etc. Meter stick ping pong ball timer computer the purpose of this lab is to.
Never eat or drink while conducting an experiment, and. Keep a paper towel handy to dry your hands off while shaping the ball. Review the bouncing ball chart for an example of how to chart the results in activity 2. Since the balls look and feel the same, its easy to switch the no bounce ball for the one that bounces which results in questions and laughter. Design an experiment to test your hypothesisprediction. As the mass of the ball is an important factor in this exploration, either have a balance available for student use, or find the mass of each ball prior to the experiment and mark each ball.
Do not eat the materials used to make the ball or the ball itself. Make sure that the meter stick starts with 0 is at the bottom. In the arcade classic of bouncing balls, your goal is to form groups of 3 or more balls of the same color so that they can be destroyed. Diy bouncy balls is a project from the book science around the house. For the experiment, you should have a staff or large board with clear lines marking measurement intervals behind the bouncing ball.
The bounce of a ball rod cross physics department, university of sydney, 2006 australia received 17 february 1998. Now hold the tennis ball directly above the basketball so that the balls are touching. Bouncing ball experiment pacific lutheran university. Based on the height of the bounce for each ball, is the collision more elastic or. Cornstarch contains amylopectin, a polymer whose shape is best described as branched it sticks out like the branches of a tree and gives the ball the property of elasticity. A big heavy ball like a football a small light ball like a mini foam ball, or tennis ball how do i do it. The wiffle ball would be the best to use for dodge ball because it has the least amount. This experiment will use the concepts of total energy, kinetic energy ke, and potential energy pe that you have already studied. Learning objectives state what a hypothesis is, describe the three variables, explain how you plan an experiment. This help to greatly increase the accuracy of the experiment. Prepare to be seduced and get addicted to one of our most popular games. You can use chemistry to make your own bouncing ball. Store these in an airtight baggie or they will quickly dry out. When are forces acting on the ball and how you can tell there are forces.
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