Unit 5 Exam
By Craig Fisher
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Last updated over 4 years ago
75 Questions
Answer the questions by clicking on the correct answer. You will have ONE class period in which to complete this exam.
2 points
2
Question 1
1.
What are the most abundant elements in ocean water?
What are the most abundant elements in ocean water?
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2
Question 2
2.
Where is the world's longest mountain chain located?
Where is the world's longest mountain chain located?
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Question 3
3.
How many ecological zones make up the benthic environment?
How many ecological zones make up the benthic environment?
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Question 4
4.
The deep ocean basin consists of the abyssal plain, mid-ocean ridges, ocean trenches, rift valleys and
The deep ocean basin consists of the abyssal plain, mid-ocean ridges, ocean trenches, rift valleys and
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Question 5
5.
Which of the following statements is true about the Pacific Ocean?
Which of the following statements is true about the Pacific Ocean?
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Question 6
6.
The ocean's surface temperatures vary with time of year and
The ocean's surface temperatures vary with time of year and
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Question 7
7.
The movement of water from the ocean to the atmosphere to the land and back to the ocean is called
The movement of water from the ocean to the atmosphere to the land and back to the ocean is called
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Question 8
8.
With sonar, what happens to sound pulses from a ship after they hit the ocean floor?
With sonar, what happens to sound pulses from a ship after they hit the ocean floor?
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Question 9
9.
The longer it takes sound to return to a ship,
The longer it takes sound to return to a ship,
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Question 10
10.
To study the ocean floor, scientists use sonar, piloted vessels, robotic vessels and
To study the ocean floor, scientists use sonar, piloted vessels, robotic vessels and
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Question 11
11.
Which of the following statements describes nekton?
Which of the following statements describes nekton?
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Question 12
12.
Marine organisms are grouped by
Marine organisms are grouped by
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Question 13
13.
Why are drift nets a problem?
Why are drift nets a problem?
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Question 14
14.
Nonpoint-source pollution is
Nonpoint-source pollution is
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Question 15
15.
Why are oil tankers being built with two hulls?
Why are oil tankers being built with two hulls?
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Question 16
16.
The physical change of liquid water to water vapor is called
The physical change of liquid water to water vapor is called
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Question 17
17.
If sunlight warms up only the top 100 m of ocean water, why does the surface zone extend to about 300 m below the surface?
If sunlight warms up only the top 100 m of ocean water, why does the surface zone extend to about 300 m below the surface?
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Question 18
18.
Which of the following is a form of point-source pollution?
Which of the following is a form of point-source pollution?
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Question 19
19.
What technologies do scientists use to study the ocean floor?
What technologies do scientists use to study the ocean floor?
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Question 20
20.
The two major regions of the ocean floor are the continental margin and the
The two major regions of the ocean floor are the continental margin and the
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2
Question 21
21.
Crabs, seaweed and clams are all
Crabs, seaweed and clams are all
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Question 22
22.
Which zone of the benthic environment is located between low and high tide limits?
Which zone of the benthic environment is located between low and high tide limits?
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Question 23
23.
Which of the following animals lives mainly in the oceanic zone?
Which of the following animals lives mainly in the oceanic zone?
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Question 24
24.
The two major zones in the pelagic environment are
The two major zones in the pelagic environment are
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Question 25
25.
Fishing and farming are ways of harvesting the ocean's
Fishing and farming are ways of harvesting the ocean's
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Question 26
26.
One kind of renewable resource from the ocean is
One kind of renewable resource from the ocean is
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Question 27
27.
Wave energy in the North Sea is strong enough to produce power for
Wave energy in the North Sea is strong enough to produce power for
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Question 28
28.
Why is plastic trash dangerous to marine animals?
Why is plastic trash dangerous to marine animals?
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Question 29
29.
Oil that has drained into waterways and pollutes the oceans is an example of
Oil that has drained into waterways and pollutes the oceans is an example of
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Question 30
30.
Which of the following is the world's largest ocean?
Which of the following is the world's largest ocean?
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Question 31
31.
Which of the following statements about salt in the oceans is true?
Which of the following statements about salt in the oceans is true?
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Question 32
32.
What would happen if the oceans did not absorb energy from the sun?
What would happen if the oceans did not absorb energy from the sun?
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Question 33
33.
What do scientists use sonar technology for?
What do scientists use sonar technology for?
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Question 34
34.
What is special about marine life in the intertidal zone?
What is special about marine life in the intertidal zone?
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2
Question 35
35.
How are the ocean's living resources harvested?
How are the ocean's living resources harvested?
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Question 36
36.
Two examples of surface currents are the Gulf Stream and the
Two examples of surface currents are the Gulf Stream and the
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2
Question 37
37.
Surface currents are caused by
Surface currents are caused by
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Question 38
38.
The curved path of global winds and surface currents are caused by
The curved path of global winds and surface currents are caused by
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2
Question 39
39.
What does a surface current do when it deflects?
What does a surface current do when it deflects?
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Question 40
40.
As water gets denser, how does it move?
As water gets denser, how does it move?
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Question 41
41.
Which currents carry warm water away from the Equator?
Which currents carry warm water away from the Equator?
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Question 42
42.
The two main parts of a wave are the
The two main parts of a wave are the
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Question 43
43.
When deep water waves reach water shallower than one half their wavelength, they
When deep water waves reach water shallower than one half their wavelength, they
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Question 44
44.
Where does an undertow take sand and other particles from the shore?
Where does an undertow take sand and other particles from the shore?
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Question 45
45.
What transports most of the sediment in beach environments?
What transports most of the sediment in beach environments?
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Question 46
46.
In the open ocean, whitecaps often form
In the open ocean, whitecaps often form
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Question 47
47.
A local rise in sea level near shore caused by hurricane winds is a
A local rise in sea level near shore caused by hurricane winds is a
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Question 48
48.
In 1947 Thor Heyerdahl sailed a simple raft from Peru to Polynesia, following the ocean currents for more than 6,000 kilometers. Which statement accurately describes what Heyerdahl proved by this voyage?
In 1947 Thor Heyerdahl sailed a simple raft from Peru to Polynesia, following the ocean currents for more than 6,000 kilometers. Which statement accurately describes what Heyerdahl proved by this voyage?
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Question 49
49.
Surface ocean currents such as the Gulf Stream
Surface ocean currents such as the Gulf Stream
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Question 50
50.
In which direction do global winds blow ocean currents near the Equator?
In which direction do global winds blow ocean currents near the Equator?
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Question 51
51.
Which surface current is deflected by the continent of South America?
Which surface current is deflected by the continent of South America?
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Question 52
52.
When air above water gets cold, what happens to water molecules?
When air above water gets cold, what happens to water molecules?
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Question 53
53.
Which of the following causes water from deep currents to rise to the surface to replace warm currents?
Which of the following causes water from deep currents to rise to the surface to replace warm currents?
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Question 54
54.
It is important for scientists to learn as much as possible about El Nino because the weather pattern
It is important for scientists to learn as much as possible about El Nino because the weather pattern
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Question 55
55.
How do you calculate wave speed?
How do you calculate wave speed?
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Question 56
56.
Why do waves increase in height as they approach the shore?
Why do waves increase in height as they approach the shore?
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Question 57
57.
In what direction does an undertow flow?
In what direction does an undertow flow?
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Question 58
58.
An earthquake causes a tsunami because force from the quake
An earthquake causes a tsunami because force from the quake
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Question 59
59.
Which statement describes what is happening at high tide?
Which statement describes what is happening at high tide?
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Question 60
60.
Spring tides and neap tides occur in patterns governed by
Spring tides and neap tides occur in patterns governed by
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Question 61
61.
From what is known about spring tides and neap tides, you can conclude that
From what is known about spring tides and neap tides, you can conclude that
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Question 62
62.
If the wavelength of a wave stays the same, what happens when the wave period increases?
If the wavelength of a wave stays the same, what happens when the wave period increases?
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Question 63
63.
Which phrase describes a surface current?
Which phrase describes a surface current?
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Question 64
64.
How does the Coriolis Effect make ocean currents appear to move?
How does the Coriolis Effect make ocean currents appear to move?
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Question 65
65.
How are deep currents different from surface currents?
How are deep currents different from surface currents?
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Question 66
66.
What is the distance between two crests or troughs?
What is the distance between two crests or troughs?
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Question 67
67.
The Gulf Stream moves warm water from
The Gulf Stream moves warm water from
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Question 68
68.
Which continent deflects the Gulf Stream current?
Which continent deflects the Gulf Stream current?
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Question 69
69.
If ocean currents have changed their circulation patterns, you can conclude that
If ocean currents have changed their circulation patterns, you can conclude that
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Question 70
70.
How would California be different if there were no California Current?
How would California be different if there were no California Current?
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Question 71
71.
What happens if El Nino damages a coral reef?
What happens if El Nino damages a coral reef?
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Question 72
72.
Buoyes that record El Nino can transmit data to satellites in space. What can you conclude from this fact?
Buoyes that record El Nino can transmit data to satellites in space. What can you conclude from this fact?
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Question 73
73.
How often do tides rise and fall?
How often do tides rise and fall?
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Question 74
74.
Which of these is the longest period of time?
Which of these is the longest period of time?
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Question 75
75.
Which of these takes exactly 24 h?
Which of these takes exactly 24 h?
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