Question 1

What is diffusion?

Accepted Answer

A)  The rate at which solute molecules present in a solution is equal to the rate they are being dissolved 
B)  The reforming of crystals 
C)  The amount of substances tied to biological cycles 
D)  The random movement of materials through a solution 
A)  The rate at which solute molecules present in a solution is equal to the rate they are being dissolved 
B)  The reforming of crystals 
C)  The amount of substances tied to biological cycles 
D)  The random movement of materials through a solution

Question 2

What is the average length of time an atom spends in the ocean?

Accepted Answer

A)  Longevity 
B)  Saturation time 
C)  Residence time 
D)  Durability time 
A)  Longevity 
B)  Saturation time 
C)  Residence time 
D)  Durability time

Question 3

There is a hundred times the amount of gaseous oxygen in the atmosphere than there is dissolved oxygen in the ocean.

Accepted Answer

A) True 
 B)False

Question 4

What type of water mass dissolves the most amounts of gases?

Accepted Answer

A)  Tropical water masses 
B)  Temperate water masses 
C)  Equatorial water masses 
D)  Polar water masses 
A)  Tropical water masses 
B)  Temperate water masses 
C)  Equatorial water masses 
D)  Polar water masses

Question 5

How do ions alter the properties of seawater in comparison to freshwater properties?

Accepted Answer

Answer should include:
•	Dissolved salts

Question 6

What causes a decrease in oxygen levels beyond the sunlit layer?

Accepted Answer

A)  The respiration from marine animals and bacteria 
B)  The by-products of photosynthesis 
C)  There are fewer animals present 
D)  Decreased saturation because of cooler water 
A)  The respiration from marine animals and bacteria 
B)  The by-products of photosynthesis 
C)  There are fewer animals present 
D)  Decreased saturation because of cooler water

Question 7

The pH scale is the logarithmic measure of hydrogen ion concentrations.

Accepted Answer

A) True 
 B)False

Question 8

At any given pH carbon dioxide and the ions it disassociates into when in water are in equilibrium.

Accepted Answer

A) True 
 B)False

Question 9

A higher level of pH is associated with more hydrogen ions.

Accepted Answer

A) True 
 B)False

Question 10

Why does oil not dissolve in water?

Accepted Answer

A)  It has covalent bonds connecting the atoms. 
B)  It is found within tissues of organisms. 
C)  It is not a polar molecule. 
D)  It has ionic bonds. 
A)  It has covalent bonds connecting the atoms. 
B)  It is found within tissues of organisms. 
C)  It is not a polar molecule. 
D)  It has ionic bonds.

Question 11

Which item is not considered to have a basic pH?

Accepted Answer

A)  Seawater 
B)  Black coffee 
C)  Household ammonia 
D)  Baking soda 
A)  Seawater 
B)  Black coffee 
C)  Household ammonia 
D)  Baking soda

Question 12

Water circulating through rifts and ridges gets altered by coming into contact with the fresh crust, stripping the water of magnesium and other elements.

Accepted Answer

A) True 
 B)False

Question 13

What is the difference between major constituents, minor constituents, and trace elements? What are some examples of each?

Accepted Answer

Answer should include:
•	The ocean conta

Question 14

What is the colligative property of osmotic pressure?

Accepted Answer

A)  The pressure exerted on biological membranes from the atmosphere 
B)  The pressure exerted on biological membranes from salinity differences outside the cells 
C)  The pressure exerted on biological membranes during temperature changes of water 
D)  The pressure exerted on biological membranes when surrounding waters phase change 
A)  The pressure exerted on biological membranes from the atmosphere 
B)  The pressure exerted on biological membranes from salinity differences outside the cells 
C)  The pressure exerted on biological membranes during temperature changes of water 
D)  The pressure exerted on biological membranes when surrounding waters phase change

Question 15

Long residence times are generally associated with elements that are considered to be nonconservative constituents.

Accepted Answer

A) True 
 B)False

Question 16

Carbon dioxide is abundant near the surface due to the photosynthesis activities of plants.

Accepted Answer

A) True 
 B)False

Question 17

How is the ocean a reservoir for carbon? How is the carbon dioxide able to re-enter oceanic and atmospheric cycles?

Accepted Answer

Answer should include:
•	The ocean acts

Question 18

Why are some tropical waters unable to sustain life?

Accepted Answer

A)  There is an addition of pollutants in many of these areas. 
B)  There is a low level of dissolved oxygen due to temperature. 
C)  There is a greater amount of carbon dioxide. 
D)  There are more conservative components in these waters. 
A)  There is an addition of pollutants in many of these areas. 
B)  There is a low level of dissolved oxygen due to temperature. 
C)  There is a greater amount of carbon dioxide. 
D)  There are more conservative components in these waters.

Question 19

Which element would be surprisingly considered a trace element in the ocean despite its abundance in the atmosphere?

Accepted Answer

A)  Sodium 
B)  Calcium 
C)  Chloride 
D)  Nitrogen 
A)  Sodium 
B)  Calcium 
C)  Chloride 
D)  Nitrogen

Question 20

The addition of salts derived from the mantle and weathering rocks are unable to balance the amount of minerals being bound in the sediments.

Accepted Answer

A) True 
 B)False

What is diffusion?

What is the average length of time an atom spends in the ocean?

There is a hundred times the amount of gaseous oxygen in the atmosphere than there is dissolved oxygen in the ocean.

What type of water mass dissolves the most amounts of gases?

How do ions alter the properties of seawater in comparison to freshwater properties?

What causes a decrease in oxygen levels beyond the sunlit layer?

The pH scale is the logarithmic measure of hydrogen ion concentrations.

At any given pH carbon dioxide and the ions it disassociates into when in water are in equilibrium.

A higher level of pH is associated with more hydrogen ions.

Why does oil not dissolve in water?

Which item is not considered to have a basic pH?

Water circulating through rifts and ridges gets altered by coming into contact with the fresh crust, stripping the water of magnesium and other elements.

What is the difference between major constituents, minor constituents, and trace elements? What are some examples of each?

What is the colligative property of osmotic pressure?

Long residence times are generally associated with elements that are considered to be nonconservative constituents.

Carbon dioxide is abundant near the surface due to the photosynthesis activities of plants.

How is the ocean a reservoir for carbon? How is the carbon dioxide able to re-enter oceanic and atmospheric cycles?

Why are some tropical waters unable to sustain life?

Which element would be surprisingly considered a trace element in the ocean despite its abundance in the atmosphere?

The addition of salts derived from the mantle and weathering rocks are unable to balance the amount of minerals being bound in the sediments.

The Origin of the Ocean

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Water and Ocean Structure

Circulation of the Atmosphere

Circulation of the Ocean

Waves

Tides

Coasts

Life in the Ocean

Plankton, Algae, and Plants

Marine Animals

Marine Communities

Marine Resources

The Ocean and The Environment

Filters

Exam 7: Ocean Chemistry

What is diffusion?

What is the average length of time an atom spends in the ocean?

There is a hundred times the amount of gaseous oxygen in the atmosphere than there is dissolved oxygen in the ocean.

What type of water mass dissolves the most amounts of gases?

How do ions alter the properties of seawater in comparison to freshwater properties?

What causes a decrease in oxygen levels beyond the sunlit layer?

The pH scale is the logarithmic measure of hydrogen ion concentrations.

At any given pH carbon dioxide and the ions it disassociates into when in water are in equilibrium.

A higher level of pH is associated with more hydrogen ions.

Why does oil not dissolve in water?

Which item is not considered to have a basic pH?

Water circulating through rifts and ridges gets altered by coming into contact with the fresh crust, stripping the water of magnesium and other elements.

What is the difference between major constituents, minor constituents, and trace elements? What are some examples of each?

What is the colligative property of osmotic pressure?

Long residence times are generally associated with elements that are considered to be nonconservative constituents.

Carbon dioxide is abundant near the surface due to the photosynthesis activities of plants.

How is the ocean a reservoir for carbon? How is the carbon dioxide able to re-enter oceanic and atmospheric cycles?

Why are some tropical waters unable to sustain life?

Which element would be surprisingly considered a trace element in the ocean despite its abundance in the atmosphere?

The addition of salts derived from the mantle and weathering rocks are unable to balance the amount of minerals being bound in the sediments.

The Origin of the Ocean

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Water and Ocean Structure

Circulation of the Atmosphere

Circulation of the Ocean

Waves

Tides

Coasts

Life in the Ocean

Plankton, Algae, and Plants

Marine Animals

Marine Communities

Marine Resources

The Ocean and The Environment

Filters