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WorksheetsMovement of the Ocean
Total questions: 25
Worksheet time: 25mins
Name
Class
Date
1.
Thermohaline circulation refers to the movement of ocean water in surface currents.
a)
True
b)
False
2.
Upwelling causes a decrease in marine organisms where it occurs.
a)
True
b)
False
3.
Waves break when they become too tall to be supported by their base.
a)
True
b)
False
4.
Tsunami are caused only by earthquakes.
a)
True
b)
False
5.
Adding salt to water makes it less dense.
a)
True
b)
False
6.
Changes in temperature and salinity of ocean water take place on the ocean floor.
a)
True
b)
False
7.
Rip currents are deep currents that pass close to shore.
a)
True
b)
False
8.
Earth's rotation is responsible for the Coriolis effect.
a)
True
b)
False
9.
The direction of surface currents is influenced by the shape of ocean basins.
a)
True
b)
False
10.
The Gulf Stream raises London's average air temperature.
a)
True
b)
False
11.
The largest wind waves in the ocean form when the wind
a)
is very strong
b)
blows steadily for a long time
c)
blows over a very long distance
d)
all of the above
12.
Waves cause individual water particles to
a)
travel toward shore
b)
move in tiny circles
c)
sink to the bottom
d)
move in currents
13.
In most locations along the shore, a high tide occurs twice each
a)
year
b)
month
c)
week
d)
day
14.
Which of the following factors has the greatest effect on surface currents?
a)
global winds
b)
Earth's revolution
c)
differences in water salinity
d)
differences in water temperature
15.
The ocean water motions that most affect local climates on land are
a)
tides
b)
waves
c)
deep currents
d)
surface currents
16.
Near the poles, ocean water is very dense because of its
a)
low temperature
b)
low salinity
c)
large volume
17.
Which of the following statements about upwelling is false?
a)
It brings nutrients to the surface
b)
It occurs when winds push water toward shore
c)
It causes cold, dense water to rise
d)
It typically takes place along coasts
18.
High water pushed ashore by storm winds is called
a)
tsunami
b)
storm surge
19.
Tides are caused primarily by the _______ gravity.
a)
Spring
b)
moon's
20.
The effect of Earth's rotation on the direction of surface currents is called the
a)
Coriolis effect
b)
tidal range
21.
A rise of cold water from the deep ocean to the surface is known as
a)
wave
b)
tide
c)
upwelling
d)
surface current
22.
The type of ocean currents caused by differences in density are
a)
surface currents
b)
deep currents
23.
The transfer of wind energy across the surface of ocean water is called a
a)
tide
b)
wave
24.
The event in which very cold, very saline water sinks to the bottom of the ocean is known as
a)
upwelling
b)
downwelling
25.
What is the daily rise and fall of sea level at a given place along the shore called?
a)
wave
b)
tide
c)
upwelling
d)
barrier reef
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