You need to do a school science project on Electricity? Let me help out with an experiment. Yes, that's correct. Put your left finger in that empty light-bulb socket and then turn on the switch with your right.
The best way to find out where babies come from is to ask your parents as loud as you can. And do it in as public a place as possible so everyone can see how smart you are.
Sure your grandma bakes you nice cookies and cupcakes. But that's just to fatten you up, you see. She's actually Hansel and Gretel's witch in disguise.