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Squash Ball Investigation

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Introduction

Squash Ball Investigation Introduction A squash ball is a ball made out of rubber, which is hollow inside. There are wide ranges of squash balls you can get, they affect the bounce of the ball, and you can tell if a squash ball is different by feeling how soft or hard it is. I am going to investigate the affect of squash balls dropped at different heights have on a squash ball I.E.: If the squash ball is dropped at a low height will it not bounce as good as it will bounce when dropped from a high height. The variable I will change is the height of each squash ball dropped and I will investigate if a squash ball bounces better when it has dropped from a high height or a low height. ...read more.

Middle

To make this a fair test I must also keep the squash balls at a constant temperature, because if a squash ball gets hot the particles in side it gain energy from the heat, and start moving around more quicker. This forces more pressure around the edges causing it to bounce better. A hot squash ball Rubber. Particles (moving). When a squash ball is cold all the molecules inside it slow down and cause less pressure, which makes the ball bounce worse. A cold squash ball Rubber Particles (still). The surface of where the ball bounces has to stay the same to make it a fair test because other hard surfaces can make a squash ball bounce better than the bounce on a soft surfaces like carpet. ...read more.

Conclusion

Evaluation When I repeated my results they were a bit in accurate because it was hard to calculate how high the ball went because we had to bend down to see the height the Squash ball reaches. My results were rather unreliable because it was not calculated very good and as the ball was bounced it got hotter so it would bounce better for the next drop. I had one anonymous result, which I must have just been read off wrong. If I were to carry out my experiment out again I would... First I would get a sensor to see how high the ball will bounce. Then I could have different balls for each experiment so they would not get hotter and give different results. And I could make sure the temperature of the room stays the same. Sukhjit.S.Virdee 10JMA ...read more.

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