Few independent variables will be changed, so the investigation is easy to manage, and the data is easier to process. The bounciest ball experiment space racers the bounciest ball experiment. Store these in an airtight baggie or they will quickly dry out. This experiment is as old as the hills maybe even older. Students did as many trials as they wanted and then used their data to. Learning objectives state what a hypothesis is, describe the three variables, explain how you plan an experiment. Introduction in this laboratory im going to relate the time that a ball needs for 6 bounces from different dropping heights. Discussing the variables involved in this experiment. Five different kinds of balls, all of which bounce pretty well. A piston in the base of the instrument moves in response to a command waveform typically a sine wave. A year in the life of the bowhead whale archived chapel messages. Feel free to share your results and let us keep this forum open for learning. It may come to a complete rest, for example if it were a ball of soft putty. If youd like even more awesome science experiments then enter your email address below and grab your free science experiment book.
In one bowl, combine 4 tablespoons of warm water and 1 teaspoon of borax. The factor that will be investigated in this experiment would be the initial height of the ball. In general, one has to use newtons second law taking all forces into account to analyze the balls motion. Bouncing ball lab report free download as word doc.
Yes use only corn starch and follow these instructions. They will analyze the data and calculate acceleration of gravity based on the empirical result to compare it with the information provided in the teacher background. The bouncing ball analog computer introduction the goal of this project was to design and build a small analog computer called the bouncing ball simulator. 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. The effect of changing the drop height will be measured by calculating the bounce efficiency of the tennis ball. Bouncing ball experiment lesson plan for 8th 12th grade.
Theres some serious science behind why you just clicked. 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. My experiment is studying the way in which a ball bounces and how much different types of balls bounce. When you hold a ball up high, it has a certain amount of what we call potential energy. The coefficient of restitution is a parameter of a ballsurface, and reflects the fraction of velocity just after the bounce divided by the velocity just before. Sep 23, 2019 borax acts as a crosslinker and it hooks the molecules in the glue to form a bouncy ball with a rubbery texture. Use the mouse to move your bat and prevent the bouncing ball from falling off the playfield. Keep a safe distance away from the ball when dropping it.
Pdf the bounce of a ball is a seemingly innocuous event that can be used to illustrate many aspects of. Cite this page general citation information is provided here. Lesson to help any ks3 class get their heads around planning and carrying out an experiment. Then lift the egg 12 inches in the air, let go and watch it bounce. The sheet guides them to think about the accuracy and reliability of their results.
At the end of the experiment, everyone should use their calculators and figure the average bounce height for each ball in the experiment. Pupils predict which will be the most efficient bouncy ball, then test this idea by calculating gpe before and after a bounce. The ball used in this experiment would be a tennis ball. The carol burnett show official recommended for you. When you let go and it starts to fall, that potential energy gets converted into kinetic energy, and the ball speeds up. My variables are height, time for bounces, mass of ball, bouncing surface and number of bounces. Bouncing ball investigation bouncing ball investigation this is an experiment to investigate bouncing balls and how they behave in different situations. Investigating the relationship between the drop height and. The experiment will investigate the bounce efficiency of a tennis ball when dropped from different heights. This also helps if your ball becomes sticky as you roll it between your hands.
Besure to perform 3trials, and allow time for team members torecord the data. Set the wooden board flat on the ground next to a wall or table. 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. In this lesson, students conduct a series of experiments with different balls to observe which bounce the highest and to. In this paper, the dynamics of a bouncing ball is described for several common ball types having different bounce characteristics. A color ball is placed inside the launcher at the bottom of the play area, while the next ball will also be displayed. For trials 27, repeat steps 5 and 6 but drop the ball from the height indicated in. 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. Since each group uses a different ball, they generate different sets of data.
Bouncing ball science freeware free download bouncing. Investigating the relationship between the drop height and time of 6 bounces of a superball. Bouncing ball screensaver is a simple screen saver that shows a green ball bouncing against the borders of your screen. Dec 22, 2019 when a ball is dropped to the ground, one of four things may happen. For the experiment, you should have a staff or large board with clear lines marking measurement intervals behind the bouncing ball. Keep a paper towel handy to dry your hands off while shaping the ball.
Repeat steps 3 and 4 but change the drop height to 1oocm, 150 cm and 200 cm 6. Download fulltext pdf download fulltext pdf qbounce, the quantum bouncing ball experiment article pdf available in physics procedia 17. Ball bounce lab investigating kinetic and potential energy. Results are presented for a tennis ball, a baseball, a golf ball. 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. And be sure to do the bouncing on a plate or other containerjust in case. In this superball physics lesson plan, 9th graders bounce various types of balls from differing heights. Check availability and grab your free kids party survival guide right now. Many forces act on a real ball, namely the gravitational force f g, the drag force due to air resistance f d, the magnus force due to the balls spin f m, and the buoyant force f b. Learners drop a ball from different heights and measure the corresponding bounce. Pdf in this paper, the dynamics of a bouncing ball is described for several common. A bouncing ball model is a classic example of a hybrid dynamic system. The height to which the ball bounces is to be estimated as carefully as possible. Ninth graders experiment with bouncing balls to investigate the elasticity coefficient of different sizes and types of balls.
The bouncing ball simulator was first designed by a german company called telefunken. It may rebound with exactly the same speed as the speed at which it hit the ground. You could try animation by changing any of myball s properties like you changed myball. Simple projects using household recyclables by roz fulcher and published by dover publications. Computer modelling enables them to relate the measurement results to the theory. Carry out the experiment with your class so that at the end, students will. When a spring bounces on its end, the force remains constant in time while a compression wave travels up to the top end, reflects. The variable to be changed in the experiment is the drop height, therefore the drop height will be the independent variable investigated. Jul, 2011 pupils predict which will be the most efficient bouncy ball, then test this idea by calculating gpe before and after a bounce. Practical investigating bouncy balls teaching resources. A hybrid dynamic system is a system that involves both continuous dynamics, as well as, discrete transitions where the system dynamics can change and the state values can jump. Due to the force that it gathers on its way to the floor, it bounces more times quicker. The ball will then destroy the blocks and earn points. Drop the ball 4 more times from 40 cm, recording the bounce height each time, for a total of 5 drops.
The relationship will be determined by altering the initial height of the ball prior to the release in order for the ball to bounce. Bouncing ball yahoo software free download bouncing ball. It is shown that if a ball is dropped onto a flat surface with an initial spin, or component of velocity horizontal to the surface. Conclusion end of prezi in conclusion, the higher up you dropped the ball from, the more times it bounces. For trial 1, hold the ball at a height of 40 cm, drop the ball carefully and observe the bounce height. Bjorn sounds like you need an education in the science of bouncing. Drop a ball from 50 cm and record how high it bounces.
Steps involved in making a bouncing ball with ingredients. To compare how high a ball will bounce on three different surfaces. Dover has kindly sponsored this post but all opinions are my own. Youll notice that is feels rubbery like a bouncy ball. Kids science fair project about the bouncing height of a ball. Students investigate different balls abilities to bounce and represent. Bouncing ball experiment, the american journal of physics. Bouncing ball yahoo software free download bouncing ball yahoo. Nov 09, 2014 lesson to help any ks3 class get their heads around planning and carrying out an experiment.
Jun 19, 2017 add a tiny drop of the borax mixture to the ball once its shaped to smooth out the outer surface. Bouncing ball experiment by giselly zepeda on prezi. At the end ofthe experiment, everyone should use their calculators and figure the average bounce height for each ball inthe experiment. Explain what is happening in the experiment in relation to relevant theory. Youll get your free copy of dont eat your slime, weekly top secret science experiment printables and occasional awesome offers.
The bouncing ball experiment is a precision electromechanical instrument for investigating nonlinear dynamics. Be sure to perform 3 trials, and allow time for team members to record the data. The motion of a bouncing ball obeys projectile motion. Many forces act on a real ball, namely the gravitational force f g, the drag force due to air resistance f d, the magnus force due to the ball s spin f m, and the buoyant force f b. I shall call this a completely inelastic collision. An elastic ball bounces on the piston and exhibits a surprisingly wide range of dynamic behaviors. Bouncing ball experiment bouncing ball experiment maurone, philip a wunderlich, francis j.
This bouncing ball experiment lesson plan is suitable for 8th 12th grade. The first independent variable that will be tested. Add a few drops of food coloring if youd like to color your bouncy ball. When a ball is dropped to the ground, one of four things may happen. In this case, the class was learning about energy transfers, transformations, and types of energy forms. I think that will make the ball bounce the highest and will make the ball bounce the lowest. 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. Bouncing ball science freeware free download bouncing ball. Ks3 how science works bouncy balls practical teaching resources. Bouncing ball yahoo software bouncing ball screensaver v. When you are ready for some messy fun, lift the egg a little higher in the air and let it go. The game includes a highscore table and several additional features. With the help of a highspeed camera they can study the motion in detail. A ball is thrown up with a velocity of 15 ms from a height of 10 m.
Determine the height of the drop and the bounce by measuring from the bottom of the ball. 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. The ball is in contact with the table for a time \\displaystyle t\. Be sure to check the formatting, including capitalization, for the method you are using and update your citation, as needed. When the game starts, multiple rows of color balls will slowly move downward from the top. Free science experiments 101 sublime science experiments. There is a very low chance of this danger occurring while conducting the experiment. Pdf of the energy of the ball during a flight between two collisions. Mix corn starch with water and microwave for 20 seconds. Form a students were given a ball and needed to find a relationship between the balls drop height and initial bounce height. Striking results with bouncing balls andre heck, ton ellermeijer, ewa k edzierska abstract in a laboratory activity students study the behaviour of a bouncing ball. This is the dependent variable because it will change in response to the changes. Before conducting this experiment, use this time to formulate your hypothesis. The telefunken design was aimed for existed general purpose analog computers.
Spring bounce jan 2008, nov 2009 when a ball bounces, the force on the ball increases to a maximum when the ball compression is a maximum, and then drops back to zero at the end of the bounce period. Schematic of the laboratory setup for the bouncing ball experiment. Tape the meter stick to the wall or table as shown. It is shown that if a ball is dropped onto a flat surface with an initial spin, or component of velocity horizontal to the surface, the ball will travel horizontally in one. Bouncing ball lab report potential energy nature scribd. Full text of ball bounce experiment internet archive. Bouncing balls experiment 2 purpose what do you want to find out. Modelformula for bouncing ball physics stack exchange. Make sure that the meter stick starts with 0 is at the bottom. Diy bouncy balls is a project from the book science around the house.
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