... then add a 100g (1 Newton) weight to the elastic band. I will then measure the elastic band and record the size. I will then repeat this with a 200g (2 Newtons) weight. I will repeat the experiment for every 100g up to 1000g.(10 Newtons or 1 kilogram) I will then do the same but instead of adding weights I will take weights off. Fair Test To make sure that this is a fair test I will use the same elastic band for putting weights on as for taking the weights off. I have to make sure that the elastic band doesn't reach it's elastic limit. If this happens I will have to repeat the experiment. List of Apparatus * A test tube * A Bunsen Burner * A pair of tongs * Copper Carbonate * Something that will not burn if hot Copper oxide is poured on it * Scales Diagram of Apparatus Results Adding weights Weight Length of elastic band Extension 0g 11.5cm 0cm 100g 13cm 1.5cm 200g 15cm 3.5cm 300g 20cm 8.5cm 400g 23.5cm 11cm 500g 30cm 18cm 600g 36cm 25cm 700g 41cm 29.5cm 800g 46.5cm 35cm 900g 49cm 37.5cm 1000g 52cm 40.5cm Taking weights ...

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