WorksheetsHydrology
Total questions: 11
Worksheet time: 6mins
Name
Class
Date
1.
What percentage is Earths salt water?
a)
70%
b)
97%
c)
3%
d)
76%
2.
What is salinity?
a)
How cold water is
b)
How dense water is
c)
How salty the water is
d)
How light the water is
3.
What percentage is freshwater?
a)
23%
b)
76%
c)
<1%
d)
3%
4.
What factors affect the density of water?
a)
How cold the water is
b)
How dense water is
c)
How compact water is
d)
How salty the water is
5.
Salt water has a ___________ density than fresh water.
a)
less
b)
higher
c)
salty
d)
better
6.
What percentage of Earths fresh water is to humans use?
a)
1%
b)
3%
c)
23%
d)
40%
7.
What percentage of Earths surface is covered in water?
a)
97%
b)
3%
c)
79%
d)
70%
8.
Warm water is _______dense than cold water.
a)
Less
b)
More
9.
How do surface currents affect climate?
a)
By moving heat (and cold) around the globe
b)
Wind
c)
density
10.
What is an ocean conveyer belt?
a)
Deep Currents
b)
All surface and deep ocean currents moving together
c)
Surface Currents
11.
*BONUS* Why is water important to conserve?
a)
It is important for humans to use
b)
We need water to live
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