Question 1

Spring tides occur ________.

Accepted Answer

A)  once a month when the Earth-Sun and Earth-Moon lines are at an angle of 45° to each other 
B)  twice a month when the Earth, Sun and Moon are fully aligned 
C)  once a month when the Earth, Sun and Moon are fully aligned 
D)  twice a month when the Earth-Sun and Earth-Moon lines are at a right angle to each other 
E)  once a month when the Earth-Sun and Earth-Moon lines are at a right angle to each other 
A)  once a month when the Earth-Sun and Earth-Moon lines are at an angle of 45° to each other 
B)  twice a month when the Earth, Sun and Moon are fully aligned 
C)  once a month when the Earth, Sun and Moon are fully aligned 
D)  twice a month when the Earth-Sun and Earth-Moon lines are at a right angle to each other 
E)  once a month when the Earth-Sun and Earth-Moon lines are at a right angle to each other

Question 2

The time period between successive new moons is 29.5 days.

Accepted Answer

A) True 
 B)False

Question 3

The greatest tidal range occurs farthest from the amphidromic point.

Accepted Answer

A) True 
 B)False

Question 4

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 5

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

Accepted Answer

A) True 
 B)False

Question 6

Tides

Accepted Answer

A)  are shallow water waves. 
B)  are progressive waves. 
C)  rotate in ocean basins. 
D)  have elliptical water particle orbits. 
E)  All of these are correct. 
A)  are shallow water waves. 
B)  are progressive waves. 
C)  rotate in ocean basins. 
D)  have elliptical water particle orbits. 
E)  All of these are correct.

Question 7

If the higher high water (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 8

Diurnal tides are more prevalent at middle latitudes when the tide-raising bodies are ________.

Accepted Answer

A)  at low declination 
B)  at high declination 
C)  in line with each other 
D)  90 degrees to each other 
E)  180 degrees to each other 
A)  at low declination 
B)  at high declination 
C)  in line with each other 
D)  90 degrees to each other 
E)  180 degrees to each other

Question 9

The tide wave that progresses across the oceans at low latitudes is forced by the tide-raising force to travel at a speed greater than its natural speed.

Accepted Answer

A) True 
 B)False

Question 10

________ 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 11

Friction between the moving tide wave and the turning Earth acts to ________.

Accepted Answer

A)  slow the rotation rate of Earth and make the tide wave move as a forced wave 
B)  increase the free wave speed of the tide wave 
C)  make no difference to Earth's rotation and wave speed 
D)  All of the answers are correct. 
A)  slow the rotation rate of Earth and make the tide wave move as a forced wave 
B)  increase the free wave speed of the tide wave 
C)  make no difference to Earth's rotation and wave speed 
D)  All of the answers are correct.

Question 12

Tide waves have ________.

Accepted Answer

A)  crests at the high-water level and troughs at the low-water level 
B)  periods of 24 hours and 50 minutes or 12 hours and 25 minutes 
C)  speeds that are constant 
D)  crests at the high-water level and troughs at the low-water level, periods of 24 hours and 50 minutes or 12 hours and 25 minutes, and speeds that are constant 
E)  crests at the high-water level and troughs at the low-water level and periods of 24 hours and 50 minutes or 12 hours and 25 minutes 
A)  crests at the high-water level and troughs at the low-water level 
B)  periods of 24 hours and 50 minutes or 12 hours and 25 minutes 
C)  speeds that are constant 
D)  crests at the high-water level and troughs at the low-water level, periods of 24 hours and 50 minutes or 12 hours and 25 minutes, and speeds that are constant 
E)  crests at the high-water level and troughs at the low-water level and periods of 24 hours and 50 minutes or 12 hours and 25 minutes

Spring tides occur ________.

The time period between successive new moons is 29.5 days.

The greatest tidal range occurs farthest from the amphidromic point.

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

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

Tides

If the higher high water (HHW) tide occurs at 1400 hours on day 1, at what time does the next HHW occur?

Diurnal tides are more prevalent at middle latitudes when the tide-raising bodies are ________.

The tide wave that progresses across the oceans at low latitudes is forced by the tide-raising force to travel at a speed greater than its natural speed.

________ tides occur at the first quarter moon.

Friction between the moving tide wave and the turning Earth acts to ________.

Tide waves have ________.

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

The Physical Properties of Water

The Chemistry of Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Productivity, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Filters

Exam 9: The Tides

Spring tides occur ________.

The time period between successive new moons is 29.5 days.

The greatest tidal range occurs farthest from the amphidromic point.

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

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

Tides

If the higher high water (HHW) tide occurs at 1400 hours on day 1, at what time does the next HHW occur?

Diurnal tides are more prevalent at middle latitudes when the tide-raising bodies are ________.

The tide wave that progresses across the oceans at low latitudes is forced by the tide-raising force to travel at a speed greater than its natural speed.

________ tides occur at the first quarter moon.

Friction between the moving tide wave and the turning Earth acts to ________.

Tide waves have ________.

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

The Physical Properties of Water

The Chemistry of Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Productivity, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Filters