Describe what is meant by the term magnetic field.
End of chapter exercises
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End of chapter exercises
Use words and pictures to explain why permanent magnets have a magnetic field around them. Refer to domains in your explanation.
What is a magnet?
What happens to the poles of a magnet if it is cut into pieces?
What happens when like magnetic poles are brought close together?
What happens when unlike magnetic poles are brought close together?
Draw the shape of the magnetic field around a bar magnet.
Explain how a compass indicates the direction of a magnetic field.
Compare the magnetic field of the Earth to the magnetic field of a bar magnet using words and diagrams.
Explain the difference between the geographical north pole and the magnetic north pole of the Earth.
Give examples of phenomena that are affected by Earth's magnetic field.
Draw a diagram showing the magnetic field around the Earth.
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