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Squash Ball Investigation

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Introduction

Jessica Ashton 10H

Squash Ball Investigation

        In my investigation I am going to see whether or not the temperature of a squash ball affects the height it bounces to.

Variables

Temperature of squash ball

Height from which the ball is dropped

I am going to change the temperature of the squash ball. I will measure the height that the ball bounces to when dropped from a certain height. I think that the hotter the squash ball is the higher it will bounce. This will happen because when rubber is heated it becomes softer and because the ball is softer it will bounce higher because it is easier to squash. It will bounce higher because the more squashed the ball gets when

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Middle

Do the above but before dropping the ball heat or cool the ball in the beaker of water which will need heating or cooling to the correct temperature. Use the following temperatures –10º, 0º, 20º, 40º, 60º, 80º and 100º, or as near as possible to those temperatures.

Results

1st

2nd

3rd

Average

-10º

1cm

4cm

3cm

2.67cm

5cm

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Conclusion

Evaluation  

        I think my results are reliable because they follow a steady curve and no results seem to be anomalous. The experiment was not very accurate but I think I managed to measure the height of the bounce as accurately as possible. It would be hard to make the method better in any way because the way the results were measured if inaccurate anyway so any other way would be hard to find. Instead of doing this experiment, when I changed the temperature of the squash ball, I could have changed the height from which the ball was dropped.

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