EARTH SCIENCE
MAGNETISM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A compass is ____
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The area of magnetic force around a magnet.
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The attraction or repulsion between magnetic poles.
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The two Doughnut-shaped regions between 1, 000 and 25, 000 kilometers above Earth’s surface.
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A device that has a magnetized needle that spins freely.
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Explanation:
Detailed explanation-1: -Magnetic compasses consist of a magnetized needle that is allowed to rotate so it lines up with Earth’s magnetic field. The ends point to what are known as magnetic north and magnetic south.
Detailed explanation-2: -The needle of a compass is made up of a magnet.
Detailed explanation-3: -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.
Detailed explanation-4: -Alternate titles: mariners compass.
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