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How is a compass used to find directions? [5 MARKS]
How is a compass used to find directions? [5 MARKS]
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Solution: 5 Marks
A compass is an instrument which is used to find the direction of a magnetic field. A compass consists of a small metal needle which is magnetized and is free to turn in any direction. Therefore, in the presence of a magnetic field, the needle is able to line up in the same direction as the field.
Compasses are mainly used in navigation to find direction on the earth. This works because the Earth itself has a magnetic field which is similar to that of a bar magnet. The compass needle aligns with the Earth's magnetic field direction and points north-south. Once you know where north is, you can figure out any other direction.
Solution: 5 Marks
A compass is an instrument which is used to find the direction of a magnetic field. A compass consists of a small metal needle which is magnetized and is free to turn in any direction. Therefore, in the presence of a magnetic field, the needle is able to line up in the same direction as the field.
Compasses are mainly used in navigation to find direction on the earth. This works because the Earth itself has a magnetic field which is similar to that of a bar magnet. The compass needle aligns with the Earth's magnetic field direction and points north-south. Once you know where north is, you can figure out any other direction.
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