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WorksheetsGeneral Science
Total questions: 10
Worksheet time: 30mins
Name
Class
Date
1.
What percent of the Earth’s surface is covered by Oceans?
a)
75%
b)
86%
c)
70%
d)
100%
2.
How much of the ocean is pure water?
a)
79%
b)
100%
c)
96%
d)
4%
3.
We have ________ main oceans?
a)
7
b)
4
c)
5
d)
6
4.
The four main oceans are: Pacific Ocean, Arctic Ocean, Indian Ocean, and the __________ Ocean.
a)
Atlantic
b)
Southern
c)
Mediterranean
d)
European
5.
A measure of dissolved solids in sea water is
a)
desalination
b)
salinity
c)
carbonation
d)
pollution
6.
Which of the following is NOT where salts in the ocean come from
a)
Volcanos
b)
Wave Action
c)
Erosion
d)
Earthquakes
7.
What 2 factor affect density of the ocean?
a)
Salinity and Marine Animals
b)
Temperature and Wave height
c)
Salinity and Temperature
d)
None of these
8.
Cold water is _______ dense than warm water
a)
More
b)
Less
c)
equally
9.
Which gas dissolves most easily in ocean water?
a)
H2O
b)
CO2
c)
NaCl
10.
What percent of the Earth’s surface is covered by Oceans?
a)
75%
b)
86%
c)
70%
d)
100%
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