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Page 1: HOW WE USE THE WATER CYCLE · THE WATER CYCLE Evaporation The sun heats up water and makes it evaporate and rise into the air as water vapour. That's why puddles disappear on a hot

HOW WE USETHE WATER CYCLE

EvaporationThe sun heats upwater and makes itevaporate and riseinto the air as watervapour. That's whypuddlesdisappearon a hotday.

CondensationAs the water vapourrises, it cools andcondenses to form

water droplets.Clouds are formedwhen water dropletsand pieces of dustjoin together.

PrecipitationThe water falls backto Earth as rain,sleet, snow or hail.The word"precipitation"comesfrom Latinand means"falling".

Sources of waterYorkshire Water takeswater from rivers andfrom wellscalledboreholes.It alsostores water inhuge artificiallakes called reservoirs.

Water Treatment Works

Water needs to betreated to make it safeto drink. At the watertreatment worksthe"baddies" areremovedfrom thewater.

Piping in and outWater comes to yourhouse through pipescalled mains. Whenyou have used thewater, it goes intoanother setof pipescalledsewers.

Sewage Treatment Works

The dirty water(called sewage) needsto be treated toremove other "bad-dies" before it is safeto be returned to thewatercycle.

The cycle goes onOnce the dirty waterhas been cleaned, itgoes back to a riverand flows out to sea -where the water cyclebegins all overagain.

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