Prediction i predict that the higher i drop the ball from the higher it will rebound up, because it will have more gravitational potential energy the higher dropped from. Prediction i predict that the higher i drop the ball from the higher it will rebound up, because it will have more gravitational potential energy. Does the temperature of a bouncy ball affect its bounce. Of course if i did indeed do the experiment again i would have to take different aspects into consideration. View lab report bouncing ball experiment lab report. Higher ability groups may want to investigate how temperature affects the efficiency of a ball. If they wish to use this method, an infra red thermometer can be used to effectively measure the surface temperature of the ball before it is dropped.
Bouncy ball lab report by amy mcquiston teachers pay. To see more on this, visit writing better introductions. The aim of this experiment is to investigate the efficiency of. The bounciness or bounce factor of a ball can be determined by comparing the balls rebound height to the original height from which the ball was dropped. The experiment is also reliable because of the fact that even in the actual experiment the tennis ball was dropped on each surface 3 times, and an average height was found as well. Student completes the experiment and records data in a table. When all three balls are dropped from the same height, the rubber ball will bounce the highest because it has the greatest elasticity. Everyone will record the bounce height on the data chart in the trial 1 box. The questions in this handout were to help you design the experiment. Have you ever wondered why some balls bounce higher than others. Lesson to help any ks3 class get their heads around planning and carrying out an experiment.
This experiment requires a ball that will bounce and a meter stick or other measuring device. Use the ruler and hold the ball at a height of 30 cm 12 in above the bench. Mar 07, 2020 how to make magic bouncy ball, experiment kit peephole view toys. We drop the ball five times on each surface at the height of 1 meter, and recorded the bouncing height.
In other words, we created the perfect ecofriendly bouncy ball. Drawing shows a bouncy ball at four different stages as it is dropped and bounces off of the ground. In this paper, the dynamics of a bouncing ball is described for several common ball types having. Phenolphthalein solution can be used in place of the ethyl alcohol to produce a brilliant pink bouncy ball. The bounce of a ball rod cross physics department, university of sydney, 2006 australia received 17 february 1998. Bouncing balls were originally made of natural rubber, though they are now made of plastics and other polymers and even treated leather. As you can see from our results, we saw a greater difference in bounce after heating or cooling the ball an additional amount. One person shall drop a ball from a height while another will see its maximum height that it bounces. In this case, the class was learning about energy transfers, transformations, and types of energy forms. Graph your data on the bar graph by first writing in the different names of the ball types on the lines at the bottom. To find out what affects the height to which a ball bounces. How to make magic bouncy ball, experiment kit peephole view toys. As the ball bounces back, the kinetic energy will be converted to potential energy. This is a fairly nice lab report of an experiment that should provide a guide to you for producing your own lab reports.
Synthetic polymers and plastics experiment chemistry. The air pressure affects how high the ball will bounce back up. Few independent variables will be changed, so the investigation is easy to manage, and the data is easier to process. When there are lots of crosslinks, the ball is more elastic and can bounce higher. On average, the rubber bouncy ball will bounce the highest, followed by the ping pong ball. Explain what is happening in the experiment in relation to relevant theory. The final result should include the percent energy lost for each ball in your kit and a supported estimate of the uncertainty in each result. Kids science fair project about the bouncing height of a ball. In this experiment, we are going to turn a regular raw egg into a bouncy egg. Utah state university kitchen science discover 4h club.
Drop do not throw the ball from a carefully measured height using. Diy bouncy balls is a project from the book science around the house. Forming polymers to make bouncy balls brooklyn hicks. Bouncy ball discovery lab purpose the purpose of this experiment is to examine the relationship between glue and borax by making a bouncy ball utilizing the crosslinks formed between borax and polymer molecules in the glue when mixed, to determine the best ratio of reactants to create a successful bouncing ball that is safe for all children. How to make a bouncy egg with pictures wikihow fun. Floor types carpet stone tile plastic tile gym floor gravel grass. A balls gravitational potential energy is proportional to its height. Efficiency of a ball science practical expiriment used in.
While balls have been used as toys forever, the bouncing ball is a more recent innovation. The report should show the data you took and a sample calculation with the data. Ball bounce experiment 1 worksheet doc ball bounce experiment 1 worksheet pdf. Storebought bouncy balls are made of rubber, another material that is made up of polymers. Please refer to cleapss or ase safety advice andor publications before undertaking any preparation, practical experiment or using any equipment featured on this site or any other. Bouncing ball lab report potential energy nature scribd.
Besure to perform 3trials, and allow time for team members torecord the data. 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. The aim of this experiment is to investigate the efficiency of a bouncing ball, and the factors which affect its efficiency. You can do this with a couple of friends, or your parents. Check with your teammates to besure that you all have the same results. Be sure to perform 3 trials, and allow time for team members to record the data. Safety if heating with a hairdryer, ensure the ball does not get too hot.
The ground will then apply this same force to the ball, which causes the ball to bounce back up. 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. Simple projects using household recyclables by roz fulcher and published by dover publications. One page printable for teachers who want their students to design the experiment.
Ball bounce lab investigating kinetic and potential energy. My bouncy ball lab report is an easy to do lab that follows the steps of the scientific method. The results of the experiment support the hypothesis that as drop height increases, so too will the bounce height due to an increase in gravitational potential energy, however the bounce efficiency remained relatively consistent. This simple experiment will turn a regular egg or a hardboiled egg into a bouncy ball. For a bouncing ball, the action is a ball falling against the ground with a force that is determined by the mass of the ball and the height from which it fell. The findings indicated subtle changes occur in the bounce efficiency of the tennis ball ranging from 37. The ball will start out sticky and messy but will solidify as you knead it. No professional equipment such as sensors or monitors could have been used to check exactly what height the ball bounced to on the first bounce. Students explore potential energy with one of their favorite items, bouncy balls. Learning objectives state what a hypothesis is, describe the three variables, explain how you plan an experiment. When you mixed the borax and the glue, the chemical reaction formed long chain molecules called polymers. Efficiency of a ball science practical expiriment used.
Sep 30, 2014 mix play all mix crazyrussianhacker youtube how to make a wooden katana from hardwood flooring woodworking duration. Quill was amazing, the kids had a ball, and the community really appreciated your time. Ks3 how science works bouncy balls practical teaching. A well designed experiment will have only one independent variable. How does theheight from whichh you drop a ball affect height that it will bounce. The answer, a little more cornstarch and a little less glue with more accuracy on. My aim of this investigation is to find out the efficiency of a golf ball, netball, ping pong ball, rubber ball, tennis ball and a baseball on their first bounce from a 90cm high drop. Just be sure not to bounce it too high unless you are ready for a messy result. Purpose and problem one of the purposes also for making this bouncy ball is maybe to see how high it would bounce. In this experiment we created not just any regular bouncy ball, but one whose materials are not harmful to the environment. The materials needed were a tennis ball, gold ball, ping pong ball, two meter sticks and tape. Form a students were given a ball and needed to find a relationship between the balls drop height and initial bounce height.
The bouncy ball in this activity is made from a polymer. How do the materials and design of a ball affect its characteristics. Looking for an easy science project using a few household items. Determine how the drop height gravitational potential energy of a ball affects the bounce height kinetic energy of the ball materials 2 different ball types graph paper meter stick tape balance procedure follow the steps below to conduct your experiment. I do not believe that any ball will reach terminal velocity in this experiment seeing as the maximum height that they can be dropped from is 2m and, as the ball is quite smooth, i do not believe that it will have enough time to accelerate to. This will be repeated five times at each height for each bounce. You can use chemistry to make your own bouncing ball. Will a cold ball bounce higher or lower than one at room temperature. Mix play all mix crazyrussianhacker youtube how to make a wooden katana from hardwood flooring woodworking duration.
Bouncy ball lab report by amy mcquiston teachers pay teachers. How does theheight from whichh you drop a ball affect. Forming polymers to make bouncy balls brooklyn hicks partner. Usually bouncy balls are made of natural rubber, ways have been discovered in which bouncy balls can be made from leather, plastics, and other types of polymers. The main aim of my experiment was to prove that the higher you drop a ball from, the higher it will bounce overall. The result will be an egg that feel rubbery like a bouncy ball and does bounce. Then color abar to match the average height ofeach ball type. The experiment will investigate the bounce efficiency of a tennis ball when dropped from different heights. At the start time, the ball is held by a hand above a surface, displaying gravitational potential energy about to turn into kinetic energy. Graph your data on the bar graph by first writing in the different names ofthe ball types on the lines at the bottom.
This exploration of polymers and bouncing balls caught our eye and we were happy that amy would share it with us. Oct 15, 2015 an analysis of the efficiency of different types of bouncing balls. Sep 05, 20 the experiment will investigate the bounce efficiency of a tennis ball when dropped from different heights. Then when dropping the ball again eye level will be kept level with the blue tack thus avoiding parallax errors. My results show that the ping pong ball had the highest average rebound height 59cm and efficiency 66%, followed by the netball with the average rebound height of 54cm and the efficiency of 60%, followed by the tennis ball with the average rebound height of 41cm and the efficiency of 46%, followed by the baseball with the. The amount of borax affects the bounciness of a ball by helping to create crosslinks. This help to greatly increase the accuracy of the experiment. Bouncing ball investigation essay bouncing ball investigation this is an experiment to investigate bouncing balls and how they behave in different situations. The bouncing ball or bouncy ball is created by the reaction of two chemicals, ethyl alcohol and sodium silicate. To investigate how types of floor surface can affect the height of a bouncing. If you increase the amount of borax in a bouncy ball, then the ball will bounce higher because you create more crosslinks to make it more elastic. Polymers are molecules made up of repeating chemical units.
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. Check with your teammates to be sure that you all have the same results. Squash balls can be heated with a hairdryer to see if it has any effect of the height of the bounce. For the experiment, you should have a staff or large board with clear lines marking measurement intervals behind the bouncing ball. 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. Repeat these steps 2 more times from the 100 centimeter mark for trials 2 and 3. How to make magic bouncy ball, experiment kit youtube. Dover has kindly sponsored this post but all opinions are my own. A balls ability to bounce has a lot to do with its elasticity. Create a model that relates the bounce height of a ball to the number of times the ball has bounced, then test the model. At the end ofthe experiment, everyone should use their calculators and figure the average bounce height for each ball inthe experiment. One of my problems was how could i make it bounce higher. The contents of this page are for information only. 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.
Jun 19, 2017 case in point, todays simple science experiment featuring polymers. Experiment with hitting balls using different size bats. Record physical observations about the ball in the table. Add a few drops of food coloring if youd like to color your bouncy ball. Take your imaginative boys and girls on a planetary journey with this magic bouncy. Save your bouncy ball for later by storing it in a sandwich bag and placing it in the fridge. Glue contains the polymer polyvinyl acetate pva, which crosslinks itself when reacted with borax. Drop do not throw the ball from a carefully measured height using the meter stick. A ball s gravitational potential energy is proportional to its height. Nov 30, 2006 usually bouncy balls are made of natural rubber, ways have been discovered in which bouncy balls can be made from leather, plastics, and other types of polymers.
Find out how to make a bouncy polymer ball with easy to find materials. This lab is perfect for students who are just learning about the scientific method and need a scaffold before being ab. In this math experiment, students look for a linear relationship between the height a bouncy ball is dropped and the height of its first bounce. Think about a research question and make sure it is testable a.
You can store your plastic ball in a sealed bag when youre finished playing with it. Once the ball is less sticky, go ahead and bounce it. Get it today with same day delivery, order pickup or drive up. 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 ball will start out sticky and messy, but will solidify as it is kneaded. Heres a fun science experiment that kids can carry out on their own. Dependent variable this is what will be observed and measured in the experiment. Thank you fizzicsed for your fantastic csi workshop today. Dont eat the materials used to make the ball or the ball itself.
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