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