Friday, November 16, 2012

Magnet: Attract or Repel?

 

Magnets has North pole and South pole.

1

North pole attracts South pole.

2

North pole repels North pole.

South pole repels South pole.

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Wednesday, November 14, 2012

Magnet Attract Some Materials

 

Objects which are made of icon are attracted to magnets. They are called magnets objects, such as screw, scissor, nail and paper clip.

\Magnet 3Paper clips were attracted to magnet.

Magnet 2

Nails were attracted to magnet.

Monday, November 12, 2012

Handling Magnet

 

We should handle a magnet with care. We should not heat, knock or drop a magnet. The magnet will lose its magnetism and become weak.

 

 

When the bar magnets are not in use, they should be kept in pairs, North pole to South pole, with an iron keeper at each end.

photo(1)

Horseshoe magnet also needs a keeper.

keeper 1

Thursday, November 8, 2012

Uses Of Magnets

 

Magnets are used in many things such as in refrigerator, pencil case and compass.

pencil case

The magnetic bar is used to close the pencil case tightly.

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Magnetic strip is used to close the door firmly.

compass

The magnetic needle helps to show directions,