A light bulb provides light to a room or place or street. It does this by two filaments powering up together and making an electrical charge which makes a spark and turns on the light. Search what does a light bulb do? On google if this doesnt answer your question. By Katy.
It provides you with a better way to see instead of a candle. They have to have energy to work.
A light bulb is an invention which is either helps to find or see anything in the dark or it can you you warm as it is on
A light bulb collects electricity from the cell (Battery)
Makes light so we can see at night
A light keeps you warm