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