1001 Space Earth Earth Rocks and Minerals Landscape Sea Weather and Climate Natural Disasters Resources Nature History Human World Science and Technology

Choose a Page:What is the troposphere?Why do we have seasons?What is happening to the ozone layer?Where does rain come from?*What is convection?*Where do hot and cold winds blow?What is the 'greenhouse' effect?What is a weather front?What happens when air is heated?What is air pressure?What are clouds?What are the prevailing winds? What is convection? This is the name given to the movement produced when warm, light air rises and cool, dense air descends to take its place. Most of the Earth's wind patterns are determined by convection. Regular wind patterns around the Earth   Previous: Back Book: 1001 Section: Earth Chapter: Weather and Climate