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An electroscope is a device that is used to demonstrate properties of static electricity. Static electricity is a phenomenon that takes many forms. It can be an electric shock you can get after walking over a carpet, or it can be a lightning bolt from the sky. The electroscope demonstrates the repulsive force that is exerted between two nearby objects with the same electric charge. In this activity you will learn to make your own electroscope. You won't need any exotic materials for this activity, all that is needed is readily available and can even be found in your house. First of all you must brush-up your knowledge about static electricity. The following links can help to a large extent; they have been listed according to their level of presentation: To make an electroscope all you need is listed below: 1. An empty glass jar such as a jam jar. 2. A length of stiff copper wire about 12 cm long (or a large steel paper clip). 3. A sheet of aluminum kitchen f