Radio and alarm used ... to make the sounds.

True or False, windmill needs buzzers.

Does mixer use buzzers or motors?

An object that uses electricity to make something move and spin round called....

The red wire from the buzzer must be connected to the positive side of the cell. Do you think the buzzer will work by this way?

Sella connects the red wire from the buzzer to the negative side of the cell. Do you think this way will make buzzer work?

Why does the right circuit have the light bulb on?

Why does the left circuit have no light bulb?

A device for making, breaking, or changing the connections in an electrical circuit called as.....

Vacuum needs .... to be used.

An object which makes a buzzing noise when electricity passes through it called as....

When the sun shines brightly, means ...

It's dark. There's no sun light. It's ....

It's day in Indonesia, so it's ____ in Denmark.

It's night in China, so it's ____ in Brazil.

N is ...

E is ...

The hospital is at the ______ of barbershop.

It's day in Mexico, so it's ____ in Russia.