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Using a compass, find the direction in which windows and entrance to your house or classroom open.
In a compass, only a magnetic needle is used that can rotate freely. When we keep a compass at a place, its magnetic needle will align itself in the north-south direction, because the earth also has its own magnetic field. Now, hold the compass in front of the destination and with help of a compass needle you can find the direction of your window or home entrance.
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