What are these?
These are batteries (cells).
What is this?
It is a cell or battery holder
Does this need electricity to work?
No
Yes
Does this use a cell or main electricity?
It uses a cell (battery)
Does this use a cell or main electricity?
It uses main electricity.
What is this?
A washing machine.
What is this?
An electric fan
Does this use a cell or main electricity?
It uses main electricity
Does this use a cell or main electricity?
It uses main electricity
Does this use a cell or main electricity?
It uses main electricity
Is it safe to turn on or off a switch with wet hands?
No, it is not safe.
Yes, it is safe.
What should we do after washing our hands before touching anything that uses electricity?
We should keep our hands wet.
We should dry our hands.
Does this use a cell or main electricity?
It uses a cell.
What kind of switch is shown?
rocker switch
push switch
slide switch
Does this need electricity to work?
Yes
No
Does this need electricity to work?
No
Yes
