water Flashcards

1
Q

aquifer

A

underground storage of groundwater

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2
Q

hydrosphere

A

all the water on the surface of the earth, in the atmosphere and underground

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3
Q

surface water

A

water found in lakes and rivers

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4
Q

groundwater

A

fresh water found below earth’s surface

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5
Q

water table

A

upper top limit of an aquifer

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6
Q

evaporation

A

water that changes from a liquid to a gas due to heat from the sun

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7
Q

runoff

A

water usually from precipitation that flows over land and collects in streams or rivers

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8
Q

transpirtation

A

water evaporating out of leaves and plants

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9
Q

condensation

A

water cooling changing from a gas back into a liquid

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10
Q

what in the hydrosphere holds the largest % of water

A

ocean (salt water)

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11
Q

3 locations of fresh water

A

ice
groundwater
lakes/rivers

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12
Q

less than ____% of water is useable to humans

example of ___________ because because such a small amount

A

0.55
sustainability

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13
Q

water is _________ which makes it a _________ resource

A

recycled
renewable

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14
Q

_________ size effects how much water is available

A

population

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15
Q

freshwater is distributed ________ because some places get more rainfall then others

A

unevenly

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16
Q

3 categories that fresh water gets used for

A

agriculture
industrial
personal

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17
Q

technology that could decrease our freshwater usage would have the largest effect on __________

A

agriculture

18
Q

reducing water usage….
agriculture?

A

drip irrigation

19
Q

reducing water usage….
industry?

A

recycle

20
Q

reducing water usage….
personal?

A

not leave on showers/faucets

21
Q

6 types of water pollution

A

nutrient
toxic chemical
sediment
thermal
biological
ocean

22
Q

nutrient pollution
from?
causes?

A

excess nitrogen and phosphorus in fertilizer runoff

plants grow fast leading to algae

23
Q

toxic chemical
from?
causes?

A

industrial manufacturing

poison to aquatic organisms and humans

24
Q

sediment
from?
causes?

A

fine particles (like sand) get into waterways and blocks oxygen

soil erosion, decreases photosynthesis

25
Q

thermal
from?
causes?

A

higher temperatures

water is commonly used as cooling agent in industrial production

26
Q

biological
from?
causes?

A

organisms/viruses (pathogens)

human and animal waste

27
Q

laws

A

clean water act - try and control water pollution

28
Q

water diversion

A

moving water from its source to a better location for humans

29
Q

dams

A

obstructed place in river/stream (block flow)

30
Q

reservoir

A

large lakes

31
Q

salinization

A

buildup of salt in surface of soil

32
Q

desalination

A

take salt out of salt water

33
Q

xeriscaping

A

choose plants that require less for environment (drop irrigation)

34
Q

agricultural %

A

70%

35
Q

industrial %

A

22%

36
Q

personal %

A

6-8%

37
Q

dams can regulate river flow and produce electricity (true or false)

A

true

38
Q

lakes that store water for human use

A

reservoirs

39
Q

drought and overuse have caused significant surface water________

A

depletion

40
Q

groundwater mining

A

withdrawing groundwater faster than it can be replaced