Question 1

The ______ wavelengths of light penetrate deepest into the ocean.

Accepted Answer

A)  ultraviolet 
B)  infrared 
C)  red 
D)  blue 
E)  black 
A)  ultraviolet 
B)  infrared 
C)  red 
D)  blue 
E)  black

Question 2

Which phase change reaction requires the most energy?

Accepted Answer

A)  Melting 
B)  Freezing 
C)  Vaporization 
D)  Cooling 
E)  Each requires the same amount of energy. 
A)  Melting 
B)  Freezing 
C)  Vaporization 
D)  Cooling 
E)  Each requires the same amount of energy.

Question 3

The addition of salt to fresh water to form salt water

Accepted Answer

A)  increases the density of the water. 
B)  depresses the boiling point and elevates the freezing point. 
C)  makes the temperature of maximum density increase. 
D)  All of these are correct. 
E)  None of these are correct. 
A)  increases the density of the water. 
B)  depresses the boiling point and elevates the freezing point. 
C)  makes the temperature of maximum density increase. 
D)  All of these are correct. 
E)  None of these are correct.

Question 4

If a sound pulse is sent vertically downward into the sea and its reflected echo from the seafloor returns 6 seconds later, the depth of the water is _______ meters. (The average speed of sound in seawater is 1500m/sec.)

Accepted Answer

A)  3000 
B)  4500 
C)  6000 
D)  9000 
E)  12,000 
A)  3000 
B)  4500 
C)  6000 
D)  9000 
E)  12,000

Question 5

________ is a measure of the total kinetic energy of the atoms and molecules in a substance.

Accepted Answer

The answer of ________ is a measure of the total...

Question 6

Covalent bonds link a water molecule's

Accepted Answer

A)  positively charged oxygen atom and negatively charged hydrogen atoms. 
B)  positively charged hydrogen atoms and negatively charged oxygen atom. 
C)  positively charged oxygen atom and positively charged hydrogen atoms. 
D)  negatively charged hydrogen atoms and negatively charged oxygen atom. 
E)  It does not bond atoms. 
A)  positively charged oxygen atom and negatively charged hydrogen atoms. 
B)  positively charged hydrogen atoms and negatively charged oxygen atom. 
C)  positively charged oxygen atom and positively charged hydrogen atoms. 
D)  negatively charged hydrogen atoms and negatively charged oxygen atom. 
E)  It does not bond atoms.

Question 7

Which of the following does NOT happen to water when salt is added?

Accepted Answer

A)  Density decreases 
B)  Boiling point increases 
C)  Freezing point decreases 
D)  All of these are correct. 
E)  None of these are correct. 
A)  Density decreases 
B)  Boiling point increases 
C)  Freezing point decreases 
D)  All of these are correct. 
E)  None of these are correct.

Question 8

The polarity of water molecules is responsible for all of the following, EXCEPT

Accepted Answer

A)  cohesion. 
B)  dissolving ability of water. 
C)  surface tension. 
D)  hydrogen bonding. 
E)  covalent bonding. 
A)  cohesion. 
B)  dissolving ability of water. 
C)  surface tension. 
D)  hydrogen bonding. 
E)  covalent bonding.

Question 9

Pressure increases by about 1 atm for every 10 m of depth in the ocean.

Accepted Answer

A) True 
 B)False

Question 10

The pressure increase experienced by equipment lowered to a depth of 1000m is approximately

Accepted Answer

A)  10 atmospheres. 
B)  100 atmospheres. 
C)  1000 atmospheres. 
D)  10,000 atmospheres. 
E)  None of these are correct. 
A)  10 atmospheres. 
B)  100 atmospheres. 
C)  1000 atmospheres. 
D)  10,000 atmospheres. 
E)  None of these are correct.

Question 11

Above a salt content of 24.7 g/kg, as temperature decreases

Accepted Answer

A)  the attenuation factor of light increases. 
B)  the attenuation factor of light decreases. 
C)  the depth of light penetration decreases. 
D)  the depth of light penetration remains constant. 
E)  the scattering of light in the water increases. 
A)  the attenuation factor of light increases. 
B)  the attenuation factor of light decreases. 
C)  the depth of light penetration decreases. 
D)  the depth of light penetration remains constant. 
E)  the scattering of light in the water increases.

Question 12

The longer wavelengths of solar radiation above the band of visible light commonly penetrate the sea to depths greater than 10m.

Accepted Answer

A) True 
 B)False

Question 13

Water heated from below distributes the added heat by _____, whereas the still surface of water heated from above distributes the added heat by ______

Accepted Answer

A)  diffusion; diffusion and conduction 
B)  diffusion; convection 
C)  convection; diffusion and conduction 
D)  conduction; convection 
E)  conduction; diffusion 
A)  diffusion; diffusion and conduction 
B)  diffusion; convection 
C)  convection; diffusion and conduction 
D)  conduction; convection 
E)  conduction; diffusion

Question 14

About how many calories are required to convert 2g of ice at 0 °C to water vapor at 50 °C?

Accepted Answer

A)  160 
B)  670 
C)  1340 
D)  1180 
E)  2768 
A)  160 
B)  670 
C)  1340 
D)  1180 
E)  2768

Question 15

Changes in water density in the oceans create

Accepted Answer

A)  sound shadows. 
B)  light refraction. 
C)  the sofar channel. 
D)  All of these are correct. 
E)  None of these are correct. 
A)  sound shadows. 
B)  light refraction. 
C)  the sofar channel. 
D)  All of these are correct. 
E)  None of these are correct.

Question 16

The latent heat of vaporization is much greater than the latent heat of fusion.

Accepted Answer

A) True 
 B)False

Question 17

Which substance has the greatest density?

Accepted Answer

A)  Warm fresh water 
B)  Cold fresh water 
C)  Ice 
D)  Warm salt water 
E)  Cold salt water 
A)  Warm fresh water 
B)  Cold fresh water 
C)  Ice 
D)  Warm salt water 
E)  Cold salt water

Question 18

How many calories must be removed from 5g of pure water at 10 °C to convert the water to ice?

Accepted Answer

A)  20 
B)  80 
C)  450 
D)  800 
E)  1200 
A)  20 
B)  80 
C)  450 
D)  800 
E)  1200

Question 19

Seawater with a salt content of 35g/kg has a freezing point

Accepted Answer

A)  above its temperature of maximum density. 
B)  at its temperature of maximum density. 
C)  below its temperature of maximum density. 
D)  at 0 °C. 
E)  None of these are correct; this water does not freeze. 
A)  above its temperature of maximum density. 
B)  at its temperature of maximum density. 
C)  below its temperature of maximum density. 
D)  at 0 °C. 
E)  None of these are correct; this water does not freeze.

Question 20

When water is under great pressure, the density of the water decreases due to a decrease in volume.

Accepted Answer

A) True 
 B)False

The ______ wavelengths of light penetrate deepest into the ocean.

Which phase change reaction requires the most energy?

The addition of salt to fresh water to form salt water

If a sound pulse is sent vertically downward into the sea and its reflected echo from the seafloor returns 6 seconds later, the depth of the water is _______ meters. (The average speed of sound in seawater is 1500m/sec.)

________ is a measure of the total kinetic energy of the atoms and molecules in a substance.

Covalent bonds link a water molecule's

Which of the following does NOT happen to water when salt is added?

The polarity of water molecules is responsible for all of the following, EXCEPT

Pressure increases by about 1 atm for every 10 m of depth in the ocean.

The pressure increase experienced by equipment lowered to a depth of 1000m is approximately

Above a salt content of 24.7 g/kg, as temperature decreases

The longer wavelengths of solar radiation above the band of visible light commonly penetrate the sea to depths greater than 10m.

Water heated from below distributes the added heat by _, whereas the still surface of water heated from above distributes the added heat by __

About how many calories are required to convert 2g of ice at 0 °C to water vapor at 50 °C?

Changes in water density in the oceans create

The latent heat of vaporization is much greater than the latent heat of fusion.

Which substance has the greatest density?

How many calories must be removed from 5g of pure water at 10 °C to convert the water to ice?

Seawater with a salt content of 35g/kg has a freezing point

When water is under great pressure, the density of the water decreases due to a decrease in volume.

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Energy, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Prologue: The History of Oceanography

Filters

Exam 4: The Physical Properties of Water

The ______ wavelengths of light penetrate deepest into the ocean.

Which phase change reaction requires the most energy?

The addition of salt to fresh water to form salt water

If a sound pulse is sent vertically downward into the sea and its reflected echo from the seafloor returns 6 seconds later, the depth of the water is _______ meters. (The average speed of sound in seawater is 1500m/sec.)

________ is a measure of the total kinetic energy of the atoms and molecules in a substance.

Covalent bonds link a water molecule's

Which of the following does NOT happen to water when salt is added?

The polarity of water molecules is responsible for all of the following, EXCEPT

Pressure increases by about 1 atm for every 10 m of depth in the ocean.

The pressure increase experienced by equipment lowered to a depth of 1000m is approximately

Above a salt content of 24.7 g/kg, as temperature decreases

The longer wavelengths of solar radiation above the band of visible light commonly penetrate the sea to depths greater than 10m.

Water heated from below distributes the added heat by _____, whereas the still surface of water heated from above distributes the added heat by ______

About how many calories are required to convert 2g of ice at 0 °C to water vapor at 50 °C?

Changes in water density in the oceans create

The latent heat of vaporization is much greater than the latent heat of fusion.

Which substance has the greatest density?

How many calories must be removed from 5g of pure water at 10 °C to convert the water to ice?

Seawater with a salt content of 35g/kg has a freezing point

When water is under great pressure, the density of the water decreases due to a decrease in volume.

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Energy, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Prologue: The History of Oceanography

Filters

Water heated from below distributes the added heat by _, whereas the still surface of water heated from above distributes the added heat by __