Bouncy Ball And Temperature Essay

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Scientific Report Science Assessment Task Number 2 Tori Duckett – Year 10 How does temperature affect the bounciness of a bouncy ball? Written by Tori Duckett Abstract Temperature affects the bounciness on bouncy balls. The height of bouncy ball determines its bounce which link with the temperature and molecules inside of the balls. This investigation explores whether temperature affects the bounciness of a bouncy ball and its given height for each trial in the results. From this we are therefore determining whether room temperature, boiling water or freezing temperature affects this following experiment. To test this idea 3 bouncy balls were heated, frozen or kept a room temperature over the range of -18C to 100C. Heating was achieved by …show more content…

Heat is the total energy of molecular motion in a substance while temperature is a measure of the average energy of molecular motion in a substance. From this we can determine the heated molecules inside of a bouncy ball giving us its great effect on its given height when dropped at its designated height. A lower temperature will lead to a lower pressure. As the temperature decreases, gas molecules contract and move around more slowly with less energy. Thus, lower pressure leads to a lower bounce of the ball. This then lead onto room temperature, the molecules inside of the bouncy ball remain the same, as there has not been any temperature used to affect the bouncy ball. At impact, most of the kinetic energy is transferred to elastic energy in the ball and not to the floor. Some energy is also converted to other forms like temperature. These other forms of energy, are mostly losses and they are not recovered thus making the ball bounce back to a lower height. While the context of this investigation may be of primary interest to peers or of human activity, the investigation relates to the field of material science, where the question of temperature effect of bounciness on bouncy balls may be of high importance of other context, such as temperature in other forms of objects, physics etc. Aim To determine how temperature affects the bounciness of a bouncy …show more content…

From the graph we can see an existing relationship between both the factors. As the temperature increases the height that the ball bounces increases. From the best-fit line, we can see that the height of the ball bouncing will keep dropping as the temperature decreases. From the graph above, and the data analysis it can be concluded that my hypothesis was correct. It was earlier predicted that as the temperature would increase the height would also have a change in increase of the bounce of the bouncy ball. There is a confirmed relationship between the two variables and there is sufficient evidence to support the investigation. As the ball is kept in cold temperature, the particles inside the object come close together and thus become harder. When the ball is kept in hot temperatures, the particles inside the ball matter start to move faster and move apart from each other. This therefore makes the ball bounce a greater

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