These are some of the different shapes of magnets.
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| bar magnet |
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| cylindrical magnet |
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| circular magnet |
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| ring magnet |
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| horseshoe magnet |
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| U-shape magnet |
Magnet has North pole and south pole. Letter "N" represent north pole and letter "S" represent south pole.
LESSON 2: Attract or Repel
When we put two magnets close to each other, they can either attract or repel each other.
Different poles of magnets attract. Same poles of magnets repel.
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| a) South pole repels South pole. b) North pole repels North pole. c) South pole attracts South pole. LESSON 3: Handling Magnets |
This is how we handle magnets properly.LESSON 4: Magnets Attract Some Materials
Objects which are made of iron are attracted to magnets. They are called magnetic objects.
Objects which are not attracted to magnets are called non-magnetic objects.
( i )These are some examples of magnetic objects:
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| screws sciccors |
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| metal ruler |
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| paper clips |
These are the ways the magnets attract the objects: |
( ii ) These are some examples of non-magnetic objects :
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| chopsticks |
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| washing sponge |
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| soft toy |
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| pencils |
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| plastic bottles |
LESSON 5: Uses Of Magnets
Magnets are used in many things such as in refrigerator, pencil case and compass.
Magnetic strip is used to close the refrigerator door firmly.
The magnetic bar is used to close the pencil case tightly.
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