Chapter 9 o Non interactive Chapter Questions in NUMERICAL order 2 Match the term with the appropriate phrase Diurnal 4 Match the term with the appropriate phrase Gravitational 5 Match the term with the appropriate phrase Mixed 7 Match the term with the appropriate phrase Rotary Tidal pattern Tidal force tidal pattern Tidal current Spring tide 9 Match the term with the appropriate phrase highest tidal range in the lunar cycle False False False 13 The barycenter follows a smooth orbit around the Sun True 15 A lunar day is shorter than a solar day 16 There is no horizontal tide generating force on Earth at points directly below and opposite the Moon True 18 A spring tide occurs once per month 20 Syzygy produces maximum tides once every 1 600 years if the relative positions of the Sun to the Earth and the Moon to the Earth are just right True 21 Tidal ranges are much greater during apogee than perigee 23 In the open ocean the crests and troughs of tidal waves rotate around a cotidal line 24 A tidal pattern with one high tide and one low tide each lunar day is called a semidiurnal tidal pattern 26 A diurnal tidal pattern is common along the Pacific coast of the United States 28 The seaward flow of water through an inlet such as a bay or river due to tidal forces is called an ebb current True 30 The energy of tidal currents can be harnessed to drive turbines and generate electricity True 31 The center of mass of the Earth Moon system is called the Barycenter False False False tidal range very low tidal range longer than a solar day inversely with the cube of the distance between the objects 34 The difference between centripetal forces and gravitational forces is called the Resultant force 35 The tide generating force varies 39 Compared with a solar day a lunar day is 40 The vertical difference between consecutive high and low tides is called the 43 A neap tide has 45 The angular distance of the Sun or the Moon above or below the Earth s equatorial plane is called the declination 46 When the Earth is at its greatest distance from the sun it is said to be at 49 An area that experiences semidiurnal tides will have 50 An area that experiences diurnal tides will have 54 The Bay of Fundy is well known for which tidal characteristic Very high tidal range 55 This wave formed on a river by a flood current is called a an Tidal bore 57 The maximum tidal currents are reported about half way between high and low tides 60 Which of the following statements concerning tides is true Diurnal tides are a tidal pattern in which there is one high tide and one two high tides and two low tides of nearly equal height daily one high tide and one low tide daily aphelion low tide in a lunar day 65 Examine the five words and or phrases and determine the relationship among the majority of words phrases Please identify the word and or phrase that does NOT fit the pattern Enter only the letter of the answer caps no period and not the full entry in the field below A neap tide o Understanding the Concepts Questions Chapter 9 Understanding the Concepts 2 Of the following statements about the force of gravity between two bodies which is are true The force of gravity between two bodies is most affected by a change in distance mass The force of gravity between two bodies increases with an increase in The force of gravity between two bodies decreases as distance increases Chapter 9 Understanding the Concepts 3 Of the following statements about forces and tidal bulges which is are true On the side of Earth facing away from the Sun a tidal bulge will form due to On the side of Earth closest to the Moon a tidal bulge will form as a result of an excess of centripetal force an excess of gravitational force Tidal bulges are produced on both sides of Earth from the Moon and the Sun Chapter 9 Understanding the Concepts 4 Of the following statements about the tides which is are true The tides are caused by an imbalance between the centripetal force and the gravitational force of the Moon and the Sun There are two tidal bulges on Earth caused by the Moon one facing the Moon and the other facing away from the Moon Both Earth and the Moon orbit around their common center of mass called the barycenter Although we observe the tides coming in and going out in reality Earth is rotating into and out of various tidal bulges which produces changing tides Chapter 9 Understanding the Concepts 5 Of the following statements about the location of the barycenter of the Earth Moon system which is are true It is located at a point beneath Earth s surface within the mantle It is located at the center of mass of the Earth Moon system Chapter 9 Understanding the Concepts 6 Of the following statements about the contribution of the Sun and the Moon to Earth s tides which is are true The lunar tidal bulges are about twice the size of the solar tidal bulges The Sun s contribution to the tides is less than that of the Moon The Moon exerts over twice the gravitational pull of the Sun on Earth s tides because of its proximity to Earth Chapter 9 Understanding the Concepts 7 Of the following statements about the monthly tidal cycle which is are true Neap tides occur twice a month The full moon and the new moon affect the tides about the same The full moon is associated with spring tide conditions Spring tides occur twice a month Chapter 9 Understanding the Concepts 8 Of the following statements about lunar phases which is are true Over the few days of a waxing crescent moon the tidal range decreases Over the few days of a waxing gibbous moon the tidal range increases Chapter 9 Understanding the Concepts 9 Of the following statements about tides in a simple tidal bulge model which is are true A lunar or solar eclipse can occur only when the Moon is in syzygy Tides are greatest when the Moon is at perigee and Earth is at perihelion Spring tides result from constructive interference between the solar and lunar tidal bulges Neap tides result from destructive interference between the solar and lunar tidal bulges Chapter 9 Understanding the Concepts 10 Of the following statements about tidal patterns and tidal charts which is are true A mixed tidal pattern has two lows of unequal height and two highs of unequal height every tidal day A semidiurnal tidal pattern has two low tides every tidal day The tidal range is the difference in height between a high tide and a low tide A tidal day is 24 hours and 50 minutes long o Reading Quiz Questions Chapter 9 Reading Quiz
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