Memory Game Water cycleOnline version Match the word with its meaning. by Annalisa Farrugia The critical temperature at which air becomes saturated. A type of rainfall that occurs when a warm airmass meets a cold airmass. The loss of water from vegetation. Convectional rainfall When water vapour changes back to water droplets. Condensation Hygroscopic nuclei Relief rainfall Frontal rainfall A type of rainfall that occurs when warm air meets a mountain. A type of rainfall that occurs when air rises as it is heated by the hot ground below. Precipitation Any form in which water falls from the sky. The boundary between two air masses. Front Water cycle The loss of moisture from water surfaces and the soil. Evaporation A solid surface such as dust, over which condensation occurs. Dew point The movement of water between air, sea and land. Transpiration