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Oceanography Exam 2

Created by kendawyels

ch 9

  1.  
    The center of mass of the Earth-Moon system is called the ________.
    A. perihelion B. aphelion C. perigee D. barycenter
  2.  
    The barycenter follows ________.
    A. the Earth's declination B. a path that is perpendicular to the Earth's ecliptic C. a pattern that parallels the Moon's orbit D. a smooth orbit around the Sun
  3.  
    The ________ force pulls an orbiting body toward the center of that orbit.
    A. tidal B. amphidromic C. gravitational D. centripetal
  4.  
    The tide-generating force varies ________.
    A. directly with the cube of the distance between the objects B. inversely with the square of the distance between the objects C. directly with the square of the distances of the objects divided by the product of the masses D. inversely with the cube of the distance between the objects E. directly with the square of the distance between the objects
  5.  
    If the side of the Earth that faces the Moon experiences a high tide, then the side of the Earth that is opposite from the Moon will have a ________.
    A. spring tide B. high tide C. low tide D. neap tide
  6.  
    A full lunar tidal cycle is ________.
    A. 24 hours in duration B. 12 hours in duration C. 24 hours and 50 minutes in duration D. 12 hours 25 minutes in duration
  7.  
    Which of the following best explains why there is a difference between a lunar day and a solar day?
    A. The solar day and lunar day are measured from different meridians. B. The Earth must rotate an additional 50 minutes to catch up to Moon. C. The tide-generating forces of the Sun and Moon are working at right angles. D. The Sun has a stronger pull on the larger Earth versus the smaller Moon.
  8.  
    The vertical difference between consecutive high and low tides is called the ________.
    A. tidal range B. ebb tide C. tidal height D. flood tide
  9.  
    A spring tide ________.
    A. occurs at a blue moon B. has very little difference between high and low tides C. has moderate high and low tides D. has very high high tides and very low low tides E. occurs at the vernal equinox
  10.  
    Spring tide occurs about ________.
    A. once per year B. twice per month C. once per month D. once per season
  11.  
    A neap tide has ________.
    A. moderately high tidal range B. very low tidal range C. moderately low tidal range D. very high tidal range
  12.  
    Neap tides occur ________.
    A. when the Moon is in quadrature B. when the Sun is at perihelion or aphelion C. during a storm surge D. when the Moon is full or new E. at summer and winter solstice
  13.  
    The angular distance of the Sun or the Moon above or below the Earth's equatorial plane is called the ________.
    A. syzygy B. perihelion C. ecliptic D. declination
  14.  
    When the Earth is at its greatest distance from the Sun, it is said to be at ________.
    A. perihelion B. aphelion C. perigee D. apogee
  15.  
    The center of an open ocean tidal system is called a/an ________.
    A. cotidal center B. amphidromic point C. seiche D. tidal flux
  16.  
    An area that experiences semidiurnal tides will have ________.
    A. two high tides and two low tides of nearly equal height daily B. one low tide and two high tides daily C. one high tide and two low tides daily D. one high tide and one low tide daily E. two unequal low and high tides daily
  17.  
    The most common tidal pattern around the world are ________.
    A. semidiurnal tides B. mixed tides C. diurnal tides D. spring tides
  18.  
    Which of the following statements concerning tides is correct?
    A. Diurnal tides are a tidal pattern in which there is one high tide and one low tide in a lunar day. B. At perigee, tidal ranges are minimized. C. 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. D. Neap tides occur when the solar tide and the lunar tides are additive, producing the highest high tide and lower low tides. E. Mixed tides are a tidal pattern in which there are two high and low tides daily of approximately equal tidal heights.
  19.  
    If you are standing at 28 degrees north latitude, you will experience a high tide when the Moon is directly overhead. When will low tide occur?
    A. Six lunar hours later B. Twenty-four lunar hours later C. Twelve lunar hours later D. Twelve solar hours later E. Six solar hours later
  20.  
    Tidal ranges will be greatest when the Earth and the Moon are at ________.
    A. aphelion B. apogee C. perihelion D. perigee
Answer Key
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Oceanography Exam 2 (Answer Key)

Created by kendawyels

ch 9

  1.  
    The center of mass of the Earth-Moon system is called the ________.
    A. perihelion B. aphelion C. perigee D. barycenter
  2.  
    The barycenter follows ________.
    A. the Earth's declination B. a path that is perpendicular to the Earth's ecliptic C. a pattern that parallels the Moon's orbit D. a smooth orbit around the Sun
  3.  
    The ________ force pulls an orbiting body toward the center of that orbit.
    A. tidal B. amphidromic C. gravitational D. centripetal
  4.  
    The tide-generating force varies ________.
    A. directly with the cube of the distance between the objects B. inversely with the square of the distance between the objects C. directly with the square of the distances of the objects divided by the product of the masses D. inversely with the cube of the distance between the objects E. directly with the square of the distance between the objects
  5.  
    If the side of the Earth that faces the Moon experiences a high tide, then the side of the Earth that is opposite from the Moon will have a ________.
    A. spring tide B. high tide C. low tide D. neap tide
  6.  
    A full lunar tidal cycle is ________.
    A. 24 hours in duration B. 12 hours in duration C. 24 hours and 50 minutes in duration D. 12 hours 25 minutes in duration
  7.  
    Which of the following best explains why there is a difference between a lunar day and a solar day?
    A. The solar day and lunar day are measured from different meridians. B. The Earth must rotate an additional 50 minutes to catch up to Moon. C. The tide-generating forces of the Sun and Moon are working at right angles. D. The Sun has a stronger pull on the larger Earth versus the smaller Moon.
  8.  
    The vertical difference between consecutive high and low tides is called the ________.
    A. tidal range B. ebb tide C. tidal height D. flood tide
  9.  
    A spring tide ________.
    A. occurs at a blue moon B. has very little difference between high and low tides C. has moderate high and low tides D. has very high high tides and very low low tides E. occurs at the vernal equinox
  10.  
    Spring tide occurs about ________.
    A. once per year B. twice per month C. once per month D. once per season
  11.  
    A neap tide has ________.
    A. moderately high tidal range B. very low tidal range C. moderately low tidal range D. very high tidal range
  12.  
    Neap tides occur ________.
    A. when the Moon is in quadrature B. when the Sun is at perihelion or aphelion C. during a storm surge D. when the Moon is full or new E. at summer and winter solstice
  13.  
    The angular distance of the Sun or the Moon above or below the Earth's equatorial plane is called the ________.
    A. syzygy B. perihelion C. ecliptic D. declination
  14.  
    When the Earth is at its greatest distance from the Sun, it is said to be at ________.
    A. perihelion B. aphelion C. perigee D. apogee
  15.  
    The center of an open ocean tidal system is called a/an ________.
    A. cotidal center B. amphidromic point C. seiche D. tidal flux
  16.  
    An area that experiences semidiurnal tides will have ________.
    A. two high tides and two low tides of nearly equal height daily B. one low tide and two high tides daily C. one high tide and two low tides daily D. one high tide and one low tide daily E. two unequal low and high tides daily
  17.  
    The most common tidal pattern around the world are ________.
    A. semidiurnal tides B. mixed tides C. diurnal tides D. spring tides
  18.  
    Which of the following statements concerning tides is correct?
    A. Diurnal tides are a tidal pattern in which there is one high tide and one low tide in a lunar day. B. At perigee, tidal ranges are minimized. C. 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. D. Neap tides occur when the solar tide and the lunar tides are additive, producing the highest high tide and lower low tides. E. Mixed tides are a tidal pattern in which there are two high and low tides daily of approximately equal tidal heights.
  19.  
    If you are standing at 28 degrees north latitude, you will experience a high tide when the Moon is directly overhead. When will low tide occur?
    A. Six lunar hours later B. Twenty-four lunar hours later C. Twelve lunar hours later D. Twelve solar hours later E. Six solar hours later
  20.  
    Tidal ranges will be greatest when the Earth and the Moon are at ________.
    A. aphelion B. apogee C. perihelion D. perigee

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