posted by Molisa
I know how to do the expiriment but I need help with the essay this about the glass cup over the candle and it sucks water.this is what I've got"When you put a cup on top of a lit up candle warm air gets trapped under the glass. Once the glass cools it contracts, drawing the water into the glass. The higher the candle is the less water it sucks. The air volume change follows Charles' Law, a subset of the ideal gas law." So can you help me?
who invented the telescope