You have a bowl of water. Placed in the center of it is a paraffin candle. The water level is below the top of the wax by about a few milliliters. How can you use any ONE common household object so that when the candle is lit, the wick will go below the water level with the fire still going? A lighter is provided.
It is as big as an apple, but an apple it's not. Leave it too long, it will surely rot. It is sour, and it is sweet. Tangy and tangerine, it is both. Yes, it's a fruit, but what is it?
I know you may like to eat sugar, but when you eat too much of it and your blood-sugar levels rise, then my good friend Pancreas releases me into the bloodstream to restore blood sugar levels to their norm.
