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Water in the World Flashcards | StudBud
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Water in the World
Water in the World
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A geography quiz introducing the importance of water in the world.
Flashcards
12 cards
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Practice quiz
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Questions
12
Answers
1
The earth is made up of 70% water. What percentage of that is ocean water?
32%
97.5%
90%
57%
2
Is this picture of the
water cycle
correct?
Yes
No
3
Most of the earth's fresh water sources come from...
Rain
Groundwater
Rivers
Glaciers
4
Water resources face serious threats caused by human activity. Some of these include..
Melting polar ice caps
Water salinity (amount of salt in ocean water)
Drinking, farming, poor catchments
Pollution, climate change, urban growth, and deforestation
5
Water is a
renewable resource
. What does renewable mean?
It can be used more than once
Able to be replaced by natural processes or good management.
You can buy more at the shops
Water is not actually a renewable resource
6
Which is an example of water as a
natural hazard
:
bushfires
cyclones
tsunamis
earthquakes
7
Define precipitation.
The water cycle
A river or stream that runs into the ocean
Any moisture reaching the earth's surface (eg, rain, snow)
Liquid water changing into vapour in the form of dew.
8
The human body requires how much water to survive?
It depends on physical activity, temperature and humidity.
1-7 litres per day
5 litres per day
2 cups per day
9
The
water cycle
is water traveling from the air, to the Earth, and returning to the atmosphere.
True
False
10
The water you drink today is the same water that was drunk by dinosaurs millions of years ago.
True
False
11
Water is required in the process of
photosynthesis
. Photosynthesis is...
the amount of money that can be made from water
photos of water
the process of plants changing sunlight to water
the process by which plants produce oxygen
12
Some strategies for
water management
include:
water recycling, dams, desalination, restrictions
pumping water from rainforests to cities and towns
collecting flood waters for future use
laws banning use of water at certain times
