Open fires in a house also cause convection currents, which may be so violent that they amount to a draught, carrying much of the heat up the chimney. ... The best place for the cardboard is just off centre, so that the hot air will rise up one side, and cold air, bringing oxygen to ... In coastal areas, when there is no definitely prevailing wind, there is usually a wind from the sea to the land during the day andanbsp;...
|Title||:||The Physical World: Heat energy and waves|
|Author||:||H. J. P. Keighley, Frank Robertson McKim|