Question 1

The angle between Earth's equatorial plane and the moon's orbital plane is called the moon's ________.

Accepted Answer

The answer of The angle between Earth's equatorial plane and...

Question 2

The length of a tidal day for a mixed semidiurnal tide is ________ hours.

Accepted Answer

A)  12 
B)  12.4 
C)  24 
D)  24.8 
E)  48 
A)  12 
B)  12.4 
C)  24 
D)  24.8 
E)  48

Question 3

Any local tide can be predicted from astronomical data alone.

Accepted Answer

A) True 
 B)False

Question 4

Tidal currents

Accepted Answer

A)  move water with the ebb tide. 
B)  move water with the flood tide. 
C)  can be swift and dangerous. 
D)  move water with the ebb tide, move water with the flood tide, and can be swift and dangerous. 
E)  Tides do not produce currents. 
A)  move water with the ebb tide. 
B)  move water with the flood tide. 
C)  can be swift and dangerous. 
D)  move water with the ebb tide, move water with the flood tide, and can be swift and dangerous. 
E)  Tides do not produce currents.

Question 5

The antinode of a rotary current is the amphidromic point.

Accepted Answer

A) True 
 B)False

Question 6

Diurnal tide cycles occur

Accepted Answer

A)  once a day. 
B)  twice a day. 
C)  three times a day. 
D)  only at low latitudes. 
E)  only at high latitudes. 
A)  once a day. 
B)  twice a day. 
C)  three times a day. 
D)  only at low latitudes. 
E)  only at high latitudes.

Question 7

Tides arrive at the same location at the same time each day.

Accepted Answer

A) True 
 B)False

Question 8

Hawaii is near an amphidromic point; therefore, its tidal range is small.

Accepted Answer

A) True 
 B)False

Question 9

The center of mass of the Earth-moon system

Accepted Answer

A)  lies beneath Earth's surface on a line that joins the centers of Earth and the moon. 
B)  describes the true orbit of the Earth-moon system about the sun. 
C)  is between Earth and the moon on the line through their centers. 
D)  lies beneath Earth's surface on a line that joins the centers of Earth and the moon and describes the true orbit of the Earth-moon system about the sun. 
E)  lies beneath Earth's surface on a line that joins the centers of Earth and the moon, describes the true orbit of the Earth-moon system about the sun, and is between Earth and the moon on the line through their centers. 
A)  lies beneath Earth's surface on a line that joins the centers of Earth and the moon. 
B)  describes the true orbit of the Earth-moon system about the sun. 
C)  is between Earth and the moon on the line through their centers. 
D)  lies beneath Earth's surface on a line that joins the centers of Earth and the moon and describes the true orbit of the Earth-moon system about the sun. 
E)  lies beneath Earth's surface on a line that joins the centers of Earth and the moon, describes the true orbit of the Earth-moon system about the sun, and is between Earth and the moon on the line through their centers.

Question 10

Tides of large amplitude occurring every two weeks at the new and full moon are called _______ tides.

Accepted Answer

A)  equatorial 
B)  neap 
C)  spring 
D)  declinational 
E)  semidiurnal 
A)  equatorial 
B)  neap 
C)  spring 
D)  declinational 
E)  semidiurnal

Question 11

The ________ tide component tends to make high tides appear about one hour later each day.

Accepted Answer

A)  diurnal 
B)  semidiurnal 
C)  lunar 
D)  solar 
E)  declinational 
A)  diurnal 
B)  semidiurnal 
C)  lunar 
D)  solar 
E)  declinational

Question 12

Using equilibrium tidal theory, the tide may be considered a wave with a wavelength approximately

Accepted Answer

A)  the diameter of Earth. 
B)  half the diameter of Earth. 
C)  the circumference of Earth. 
D)  half the circumference of Earth. 
E)  the radius of Earth. 
A)  the diameter of Earth. 
B)  half the diameter of Earth. 
C)  the circumference of Earth. 
D)  half the circumference of Earth. 
E)  the radius of Earth.

Question 13

If the tidal current is maximum at midtide level, the tide is a progressive wave type.

Accepted Answer

A) True 
 B)False

Question 14

Real tides in ocean basins feel the effect of the

Accepted Answer

A)  Coriolis effect. 
B)  continents. 
C)  water depth. 
D)  ocean basin's standing wave. 
E)  All of these are correct. 
A)  Coriolis effect. 
B)  continents. 
C)  water depth. 
D)  ocean basin's standing wave. 
E)  All of these are correct.

Question 15

The sun plays a greater role in producing the tides than the moon.

Accepted Answer

A) True 
 B)False

Question 16

The tidal current in a narrow tidal channel is likely to

Accepted Answer

A)  have a distinct rotary component. 
B)  be unidirectional at all times. 
C)  change direction as the tides change. 
D)  be nonrotary. 
E)  change direction as the tides change and be nonrotary. 
A)  have a distinct rotary component. 
B)  be unidirectional at all times. 
C)  change direction as the tides change. 
D)  be nonrotary. 
E)  change direction as the tides change and be nonrotary.

Question 17

If the HHW tide occurs at 1400 hours on day 1, at what time does the next HHW occur?

Accepted Answer

A)  2012 hours on day 1 
B)  0225 hours on day 2 
C)  1837 hours on day 2 
D)  1400 hours on day 2 
E)  1450 hours on day 2 
A)  2012 hours on day 1 
B)  0225 hours on day 2 
C)  1837 hours on day 2 
D)  1400 hours on day 2 
E)  1450 hours on day 2

Question 18

___ tides occur at the first quarter moon.

Accepted Answer

A)  Mixed 
B)  Diurnal 
C)  Semidiurnal 
D)  Neap 
E)  Spring 
A)  Mixed 
B)  Diurnal 
C)  Semidiurnal 
D)  Neap 
E)  Spring

Question 19

The tidal bulge on the side of the earth facing the tide-raising body is caused by the difference between the tidal force at the surface of the earth and the tidal force at the earth's center.

Accepted Answer

A) True 
 B)False

Question 20

The time required to complete the tidal sequence of a solar tide is equal to the time period needed to complete the sequence of a lunar tide.

Accepted Answer

A) True 
 B)False

The angle between Earth's equatorial plane and the moon's orbital plane is called the moon's ________.

The length of a tidal day for a mixed semidiurnal tide is ________ hours.

Any local tide can be predicted from astronomical data alone.

Tidal currents

The antinode of a rotary current is the amphidromic point.

Diurnal tide cycles occur

Tides arrive at the same location at the same time each day.

Hawaii is near an amphidromic point; therefore, its tidal range is small.

The center of mass of the Earth-moon system

Tides of large amplitude occurring every two weeks at the new and full moon are called _______ tides.

The ________ tide component tends to make high tides appear about one hour later each day.

Using equilibrium tidal theory, the tide may be considered a wave with a wavelength approximately

If the tidal current is maximum at midtide level, the tide is a progressive wave type.

Real tides in ocean basins feel the effect of the

The sun plays a greater role in producing the tides than the moon.

The tidal current in a narrow tidal channel is likely to

If the HHW tide occurs at 1400 hours on day 1, at what time does the next HHW occur?

___ tides occur at the first quarter moon.

The tidal bulge on the side of the earth facing the tide-raising body is caused by the difference between the tidal force at the surface of the earth and the tidal force at the earth's center.

The time required to complete the tidal sequence of a solar tide is equal to the time period needed to complete the sequence of a lunar tide.

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

The Physical Properties of Water

Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

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

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Exam 9: The Tides

The angle between Earth's equatorial plane and the moon's orbital plane is called the moon's ________.

The length of a tidal day for a mixed semidiurnal tide is ________ hours.

Any local tide can be predicted from astronomical data alone.

Tidal currents

The antinode of a rotary current is the amphidromic point.

Diurnal tide cycles occur

Tides arrive at the same location at the same time each day.

Hawaii is near an amphidromic point; therefore, its tidal range is small.

The center of mass of the Earth-moon system

Tides of large amplitude occurring every two weeks at the new and full moon are called _______ tides.

The ________ tide component tends to make high tides appear about one hour later each day.

Using equilibrium tidal theory, the tide may be considered a wave with a wavelength approximately

If the tidal current is maximum at midtide level, the tide is a progressive wave type.

Real tides in ocean basins feel the effect of the

The sun plays a greater role in producing the tides than the moon.

The tidal current in a narrow tidal channel is likely to

If the HHW tide occurs at 1400 hours on day 1, at what time does the next HHW occur?

___ tides occur at the first quarter moon.

The tidal bulge on the side of the earth facing the tide-raising body is caused by the difference between the tidal force at the surface of the earth and the tidal force at the earth's center.

The time required to complete the tidal sequence of a solar tide is equal to the time period needed to complete the sequence of a lunar tide.

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

The Physical Properties of Water

Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

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