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How does the amount of rubs on a polythene rod affect the amount of paper circles it will pick up?
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How does the amount of rubs on a polythene rod affect the amount of paper circles it will pick up? I am conducting an investigation into the amount of rubs on a polythene rod and how it affects the amount of paper circles it will pick up. I will only change one thing in this experiment and this will be the amount of rubs on the rod. I will be measuring the weight that the rod will pick up in paper circles cut from a hole-punch. By doing this I hope to see a pattern concerning amount of rubs and weight picked up. Method I followed the following points to conduct my experiment. * Cut 250 paper circles with a hole-punch. * Weigh all of these paper circles and divide by 250 to get an average weight for one. * Arrange these paper circles evenly in a 10cm*10cm square. * Discharge rod in Bunsen burner. * Check...
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