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9. How Is compass used to find direction?, Ans: A compass is a small case of glass. A, magnetised needle is pivoted inside the box, The needle can rotate freely. Compass also has, a dial with directions marked on it. The, compass is kept at the place where we want to, know the directions. When the needle comes, to rest it indicates north-south direction. The, compass is then rotated until the north and, south marked on the dial are at the two ends, of the needle. Usually different colours are, , used to point the ends of needle to identify the, north and the south poles