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Firstly, choose a subject that genuinely interests you. If you focus on a topic that you have an interest in or you have experience in, your essay is likely to have more depth as well as being more interesti...

The best thing you can do is to start by writing a list, or mindmap, or whatever helps you organise your thoughts. Divide your thoughts into sections - firstly, your academic achievements. Secondly, your per...

This is all down to static electricity. Inside the Van de Graaff generator, there is a rubber band and rollers. As they are electrically insulated, when the motor turns they rub together and electrons are 'k...

Lets say you are in a cubical grain silo, with a height of 12m, and a base with dimensions 3m by 4m. If you wanted to fit a pole in the silo, what is the largest possible length of the pole? The length we ar...

This question may start by giving you an equation, which you need to write in the form of the standard equation of a circle (usually by completing the square). This allows you to see the centre of the circle...