UNIT 4 - ELECTRICITY

 

CAUTION!

Use batteries. Do not use electricity from the main supply. It is very dangerous.

How to Handle Magnets?

• Do not drop it.
• Do not hit or knock it.
• Do not put it over a fire.

Let us learn the Magnet Song

Nice video about magnets

Let Us Observe

Aim : To demonstrate that magnets can attract or repel each other

• Magnet have two poles. One pole is called the North pole. The other ploe is called the South pole. 

•  Magnet can repel or attract each other.

• When different poles face each other, the magnet attract.

 

• When the same poles face each other, the magnets repel.

Magnet have different shapes and sizes

Let us learn about magnet