water Flashcards

1
Q

what are water stores

A

place where water is contained in, can be categorised as freshwater and saltwater stores

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2
Q

examples of freshwater stores

A

glaciers, rivers, lakes, groundwater and soils

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3
Q

examples of saltwater stores

A

oceans/seas

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4
Q

what is soil moisture

A

water that is stored in the pores of soil when it rains

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5
Q

what is groundwater

A

-found below surface of earth
-water enters ground through pores in soil due to gravity
-groundwater forms when part of the water makes its way to the rocks beneath
-water fills up pores and cracks of rocks
-people dig wells to access groundwater

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6
Q

hydrological cycle

A

precipitation:
-water falls as rain/snow
groundwater
-water that seeps into ground may be absorbed by plants or stored as groundwater
surface runoff:
-water flows from highlands and over the ground surface into streams and rivers
evaporation:
-sun’s heat causes water to evaporate, water change into water vapour
transpiration:
-plants give out water vapour through leaves
condensation:
-warm moist air cools as it rises
-water vapour change into water droplets, which combine to form bigger droplets
-large amount of water droplets gather to form clouds

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7
Q

what is a flood

A

-overflow of a large amount of water onto what is normally dry land
-occur when amount of water is not drained away efficiently by man-made structures

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8
Q

what is a drought

A

a long period of little/no rainfall, water stores such as reservoirs and groundwater dry up

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