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The monthly tidal cycle is a function of the time it takes for the moon to make one complete orbit around the Earth.

A) True
B) False

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The seaward flow of water due to tidal forces through an inlet is called ebb current.

A) True
B) False

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The side of the Earth that faces the moon experiences a high tide, the side of the Earth that is opposite from the moon will have a(n) :


A) high tide.
B) low tide.
C) neap tide.
D) proxigean tide.
E) spring tide.

F) C) and D)
G) C) and E)

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A

Which of the following statements concerning tides are true?


A) At perigee, tidal ranges are minimized.
B) Diurnal tides are a tidal pattern in which there is one high tide and one low tide in a lunar day.
C) Mixed tides are a tidal pattern in which there are two high and low tides daily of approximately equal tidal heights.
D) Neap tides occur when the solar tide and the lunar tides are additive, producing the highest high tide and lower low tides.
E) Semidiurnal tides are a tidal pattern in which there are two high tides and two low tides per lunar day, one high tide higher than the other.

F) All of the above
G) B) and E)

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The energy of tidal currents can be harnessed to drive turbines and generate energy.

A) True
B) False

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The most common tidal pattern around the world is:


A) diurnal tides.
B) mixed tides.
C) proxigean tides.
D) semidiurnal tides.
E) spring tides.

F) B) and E)
G) B) and C)

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In the United States one can find mixed tides along the:


A) Atlantic coast.
B) Cape Cod.
C) Gulf of Mexico coast.
D) Florida Keys.
E) Pacific coast.

F) B) and C)
G) A) and E)

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E

An area that experiences semidiurnal tides will have:


A) one high tide and one low tide daily.
B) one high tide and two low tides daily.
C) one low tide and two high tides daily.
D) two high tides and two low tides of nearly equal height daily.
E) two unequal low and high tides daily.

F) A) and E)
G) All of the above

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Discuss the influence of the relative masses and distance between the two objects on tide generating forces.

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When the Earth is at its greatest distance from the sun, it is said to be at:


A) apogee.
B) aphelion.
C) perigee.
D) perihelion.
E) proxigean.

F) B) and D)
G) A) and E)

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Describe tides in an open ocean basin.

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Tides in an open ocean basin are the reg...

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In the United States one can find semidiurnal tides along the:


A) Atlantic coast.
B) Gulf of Alaska.
C) Gulf of Mexico coast.
D) Florida Keys.
E) Pacific coast.

F) B) and C)
G) C) and D)

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The vertical difference between high and low tides is called the:


A) ebb tide.
B) flood tide.
C) tidal bore.
D) tidal height.
E) tidal range.

F) B) and C)
G) D) and E)

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The center of an open ocean tidal system is called a(n) :


A) amphidromic center.
B) cotidal center.
C) rotary center.
D) seiche.
E) tidal flux.

F) A) and D)
G) A) and B)

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A synodic month is equivalent to a lunar month, 26 days in length.

A) True
B) False

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Tidal current can produce rotary currents called:


A) ebb currents.
B) flood currents.
C) shoals.
D) tidal bores.
E) whirlpools.

F) A) and E)
G) A) and B)

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How do centripetal forces and gravitation forces interact to produce tides?

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Centripetal forces and gravitational for...

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Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. - Choose the one option that does not fit the pattern.


A) full moon
B) neap tide
C) new moon
D) spring tide
E) syzygy

F) None of the above
G) A) and B)

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A lunar day is shorter than a solar day.

A) True
B) False

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False

Match the term with the appropriate phrase. You may use each answer once, more than once or not at all.

Premises
ebb
mixed
diurnal
gravitational
resultant
rotary
centripetal
Responses
tidal current
tidal force
tidal pattern

Correct Answer

ebb
mixed
diurnal
gravitational
resultant
rotary
centripetal

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