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Stretching Rubber Bands Planning Aim We have studied the effect of a stretching force on a steel spring. We are now asked to investigate what extent rubber bands behave like steel springs. Design and carry out an experiment to test rubber bands for their elasticity. At least, two types of rubber band are available; although you may ask for more if we require them. Variables Dependent - stretching force Independent - extension Fixed - width of band, type of band I will be testing the extension of the band, by placing differing loads on it. The width and type of band will be kept the same by using the same rubber band throughout the experiment. This is to ensure a fair test. Prediction I predict that the rubber band will act very similar to the steel spring. I think that the predicted graph will look like this: - This graph is like this because the extension increases in proportion to the...

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