The Water Cycle - Key Words Flashcards
The water cycle
A non-stop cycle in which water evaporated from the sea, falls as rain and returns to the sea in rivers
Precipitation
Transfer of water from the atmosphere to the ground. It can take the form of snow, rain, hail or dew
Evaporation
Transfer of water from a liquid state into a gaseous state (water vapour)
Condensation
Transfer of water from a gaseous state to a liquid state (the formation of clouds)
Sublimation
Transfer from a solid state (ice) to a gaseous state (water vapour) and vice versa
Interception
Water intercepted and stored on the leaves of plants
Overland flow
The transfer of water over the land surface
Infiltration
Transfer of water from the ground surface into soil where it may it may then percolate into underlying rocks
Throughflow
Water flowing through the soil towards a river channel
Groundwater flow
Water flowing slowly below the water table through permeable rock.