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WorksheetsScience: water distribution
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
There is about 2% of the Earth's freshwater frozen in icebergs.
a)
True
b)
False
2.
There is only about 1% of freshwater available for use on Earth.
a)
True
b)
False
3.
Which represents the distribution of water on Earth?
a)
3% freshwater, 97% salt water
b)
97% freshwater, 3% salt water
c)
71% freshwater, 29% salt water
d)
29% freshwater, 71% salt water
4.
What happens to pressure as you go deeper into the ocean?
a)
increases
b)
decreases
c)
stays the same
d)
doubles
5.
In addition to salinity, what factor affects the density of seawater?
a)
depth
b)
latitude
c)
temperature
d)
salt content
6.
What is the scientific name for salt?
a)
Sodium Acetate
b)
Sodium Chloride
c)
Chloride sodium
d)
Hydroxide sulfate
7.
What percentage of water can be found in clouds?
a)
2%
b)
1%
c)
25%
d)
0.1%
8.
Why would a community that has suffered a drought hope for lots of snow over the winter?
a)
Snow will prevent the wells from pumping air into the water lines'
b)
When the snow melts, it will replenish the underground water levels.
c)
People need less water because snow causes colder temperatures outside.
d)
People can collect the snow, melt and purify it, and use the water in their homes.
9.
Which is the primary source of freshwater in the hydrosphere?
a)
Glaciers and ice caps
b)
Lakes
10.
Which BEST describes how the total amount of water present in the hydrosphere varies over time?
a)
The total amount of water in the hydrosphere decreases over time due to the process of evaporation.
b)
The total amount of water in the hydrosphere remains the same over time, but changes form due to the water cycle.
c)
The total amount of water in the hydrosphere increases over time due to the process of precipitation.
d)
The total amount of water in the hydrosphere both decreases and increases over time due to competing processes such as evaporation and precipitation.
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