Question 1

The type of bond that enables water molecules to stick together is a:

Accepted Answer

A)  covalent bond. 
B)  molecular bond. 
C)  hydrogen bond. 
D)  atomic bond. 
A)  covalent bond. 
B)  molecular bond. 
C)  hydrogen bond. 
D)  atomic bond.

Question 2

The two most abundant elements (ions) dissolved in seawater are:

Accepted Answer

A)  fluorine and iodine. 
B)  gold and silver. 
C)  bromine and boron. 
D)  sodium and chloride. 
A)  fluorine and iodine. 
B)  gold and silver. 
C)  bromine and boron. 
D)  sodium and chloride.

Question 3

The components of ocean water whose quantities are less than 1 part per million (ppm) are considered:

Accepted Answer

A)  excess volatiles. 
B)  Zwitterions. 
C)  major constituents. 
D)  trace elements. 
A)  excess volatiles. 
B)  Zwitterions. 
C)  major constituents. 
D)  trace elements.

Question 4

Scientists believe the global change in greenhouse gases is making the surface ocean fresher in high latitudes.

Accepted Answer

A) True 
 B)False

Question 5

The salinity of seawater is a measure of the amount of sodium and chloride in a water sample.

Accepted Answer

A) True 
 B)False

Question 6

As carbon dioxide dissolves at the surface of the ocean, it combines chemically to form a weak acid called carbonic acid.

Accepted Answer

A) True 
 B)False

Question 7

The geometry of the covalent bonds shared by the hydrogen atoms and oxygen atom in a water molecule account for its polarity.

Accepted Answer

A) True 
 B)False

Question 8

The amount of oxygen that seawater can hold in solution will be greater:

Accepted Answer

A)  in colder water. 
B)  in warmer water. 
C)  in water with a higher salinity. 
D)  in water with less pressure and density. 
A)  in colder water. 
B)  in warmer water. 
C)  in water with a higher salinity. 
D)  in water with less pressure and density.

Question 9

The pycnocline can occur at the same range of depths as a halocline.

Accepted Answer

A) True 
 B)False

Question 10

Frozen water is more dense than liquid water.

Accepted Answer

A) True 
 B)False

Question 11

The wavelength(s) of light that penetrate deepest into the ocean are:

Accepted Answer

A)  red and violet. 
B)  red and yellow. 
C)  blue and red. 
D)  green and blue. 
A)  red and violet. 
B)  red and yellow. 
C)  blue and red. 
D)  green and blue.

Question 12

Residence time is:

Accepted Answer

A)  the same for all elements in the ocean. 
B)  the average length of time an element spends in the ocean. 
C)  the length of time it takes an element to dissolve in the ocean. 
D)  the same as mixing time. 
A)  the same for all elements in the ocean. 
B)  the average length of time an element spends in the ocean. 
C)  the length of time it takes an element to dissolve in the ocean. 
D)  the same as mixing time.

Question 13

The components of ocean water whose proportions are NOT accounted for by the weathering of surface rocks are:

Accepted Answer

A)  residue surface constituents. 
B)  trace elements. 
C)  conservative constituents. 
D)  excess volatiles. 
A)  residue surface constituents. 
B)  trace elements. 
C)  conservative constituents. 
D)  excess volatiles.

Question 14

The hydrogen bonds of water molecules account for which of the following?

Accepted Answer

A)  Water is the universal solvent. 
B)  Water has a low surface tension. 
C)  Water has a low boiling point. 
D)  Water has a low heat capacity. 
A)  Water is the universal solvent. 
B)  Water has a low surface tension. 
C)  Water has a low boiling point. 
D)  Water has a low heat capacity.

Question 15

The deepest layers of the ocean originate from:

Accepted Answer

A)  surface waters at low latitudes. 
B)  bottom waters at low latitudes. 
C)  waters of the Mediterranean Sea. 
D)  surface waters especially at high latitudes. 
A)  surface waters at low latitudes. 
B)  bottom waters at low latitudes. 
C)  waters of the Mediterranean Sea. 
D)  surface waters especially at high latitudes.

Question 16

The ocean's deep sound channel (sofar layer) is characterized as a zone by all of the following EXCEPT:

Accepted Answer

A)  sound is horizontally concentrated rather than diffused as it moves through the water. 
B)  acoustical energy losses are relatively small. 
C)  sound waves travel great horizontal distances. 
D)  sound velocity is at a maximum. 
A)  sound is horizontally concentrated rather than diffused as it moves through the water. 
B)  acoustical energy losses are relatively small. 
C)  sound waves travel great horizontal distances. 
D)  sound velocity is at a maximum.

Question 17

The salinity of the ocean, at the present time, seems to be:

Accepted Answer

A)  increasing due to evaporation as the Earth warms up. 
B)  decreasing due to several years of excessive rainfall. 
C)  increasing due to pollution. 
D)  in equilibrium, with dissolved components entering equal to dissolved components leaving. 
A)  increasing due to evaporation as the Earth warms up. 
B)  decreasing due to several years of excessive rainfall. 
C)  increasing due to pollution. 
D)  in equilibrium, with dissolved components entering equal to dissolved components leaving.

Question 18

Describe the distribution of oxygen in the ocean from the surface to the deep sea.

Accepted Answer

Oxygen is very unevenly distributed in t

Question 19

The hydrogen atoms in a water molecule tend to bond to:

Accepted Answer

A)  each other. 
B)  oxygen atoms of another water molecule. 
C)  hydrogen atoms of another water molecule. 
D)  all positively charged ions. 
A)  each other. 
B)  oxygen atoms of another water molecule. 
C)  hydrogen atoms of another water molecule. 
D)  all positively charged ions.

Question 20

Describe how carbon dioxide acts as a buffer in seawater.

Accepted Answer

The proportion of carbon dioxide gas in

The type of bond that enables water molecules to stick together is a:

The two most abundant elements (ions) dissolved in seawater are:

The components of ocean water whose quantities are less than 1 part per million (ppm) are considered:

Scientists believe the global change in greenhouse gases is making the surface ocean fresher in high latitudes.

The salinity of seawater is a measure of the amount of sodium and chloride in a water sample.

As carbon dioxide dissolves at the surface of the ocean, it combines chemically to form a weak acid called carbonic acid.

The geometry of the covalent bonds shared by the hydrogen atoms and oxygen atom in a water molecule account for its polarity.

The amount of oxygen that seawater can hold in solution will be greater:

The pycnocline can occur at the same range of depths as a halocline.

Frozen water is more dense than liquid water.

The wavelength(s) of light that penetrate deepest into the ocean are:

Residence time is:

The components of ocean water whose proportions are NOT accounted for by the weathering of surface rocks are:

The hydrogen bonds of water molecules account for which of the following?

The deepest layers of the ocean originate from:

The ocean's deep sound channel (sofar layer) is characterized as a zone by all of the following EXCEPT:

The salinity of the ocean, at the present time, seems to be:

Describe the distribution of oxygen in the ocean from the surface to the deep sea.

The hydrogen atoms in a water molecule tend to bond to:

Describe how carbon dioxide acts as a buffer in seawater.

The Origin of the Ocean

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Atmospheric Circulation

Ocean Circulation

Waves

Tides

Coasts

Life in the Ocean

Pelagic Communities

Benthic Communities

Uses and Abuses of the Ocean

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Exam 6: Water

The type of bond that enables water molecules to stick together is a:

The two most abundant elements (ions) dissolved in seawater are:

The components of ocean water whose quantities are less than 1 part per million (ppm) are considered:

Scientists believe the global change in greenhouse gases is making the surface ocean fresher in high latitudes.

The salinity of seawater is a measure of the amount of sodium and chloride in a water sample.

As carbon dioxide dissolves at the surface of the ocean, it combines chemically to form a weak acid called carbonic acid.

The geometry of the covalent bonds shared by the hydrogen atoms and oxygen atom in a water molecule account for its polarity.

The amount of oxygen that seawater can hold in solution will be greater:

The pycnocline can occur at the same range of depths as a halocline.

Frozen water is more dense than liquid water.

The wavelength(s) of light that penetrate deepest into the ocean are:

Residence time is:

The components of ocean water whose proportions are NOT accounted for by the weathering of surface rocks are:

The hydrogen bonds of water molecules account for which of the following?

The deepest layers of the ocean originate from:

The ocean's deep sound channel (sofar layer) is characterized as a zone by all of the following EXCEPT:

The salinity of the ocean, at the present time, seems to be:

Describe the distribution of oxygen in the ocean from the surface to the deep sea.

The hydrogen atoms in a water molecule tend to bond to:

Describe how carbon dioxide acts as a buffer in seawater.

The Origin of the Ocean

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Atmospheric Circulation

Ocean Circulation

Waves

Tides

Coasts

Life in the Ocean

Pelagic Communities

Benthic Communities

Uses and Abuses of the Ocean

Filters