Worksheets17.2 Water Use
Total questions: 10
Worksheet time: 5mins
The largest single use of water for industrial purposes is for
canning and food processing.
cooling.
power production.
washing produce in food processing industries.
Which if the following irrigation techniques is least wasteful of water?
Flood irrigation
Sprinkler irrigation
Furrow irrigation
Drip irrigation
Which of the following factors is the MOST important factor in determining whether a country is "water rich" or "water poor"?
Population density
Country size
Humid climate
Renewable water supplies
Water scarcity occurs when
Renewable water supplies are slow to recover.
Populations are evenly dispersed.
Renewable water supplies are slow to diminish.
The demand for water exceeds the available amount or when poor quality restricts its use.
Cause and effects of water stress may include
Per capita renewable water supply is low
Renewable water supplies are inadequate to satisfy essential human or ecosystem needs
Competition increases among increasing demands for water
All of the above are potential causes or effects of water stress
Technically speaking, when water is consumed, it
Has been used
Is no longer suitable for any other purpose
Is no longer available for other purposes
Is lost to evaporation or leakage
Human water withdrawals have been increasing at about ___________ rate as worldwide population growth.
the same
half the
one-third the
twice the
Withdrawal is the total amount of water
Taken from rivers, lakes, or aquifers
Lost in transmission, due to evaporation or leakage
Used in manufacturing or agriculture
Altered or polluted in human activities
In general, water use worldwide is dominated by
Agricultural use
Domestic needs
Industrial activities
All of these are sectors that use water about equally
A method of increasing water supplies that has been successful, but expensive is
Desalination
Cloud seeding
Towing icebergs by ship from polar regions
None of these is correct.
