59)
Which of the following is true for the March Equinox?
A) The subsolar point is at the equator.
B) The subsolar point is at the Tropic of Cancer (23.5° N).
C) The subsolar point is at the Tropic of Capricorn (23.5° S).
D) The subsolar point is at the Prime Meridian.
60)
Which of the following is true for the September Equinox?
A) There is 24 hours of daylight at the North Pole.
B) The Arctic Circle is completely within the circle of illumination.
C) The Antarctic Circle is completely within the circle of illumination.
D) The circle of illumination passes through both the poles.
E) There is 24 hours of daylight at the South Pole.
61)
On approximately which dates is the subsolar point 16° S?
A) March 30 and September 15
B) February 5 and November 5
C) April 25 and August 20
D) May 5 and August 10
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62) Which of the following is true of Quito, Ecuador (0° 15′ N, 78° 35′ S)?
A) Quito experiences days and nights of equal lengths throughout the year.
B) During the June Solstice, Quito experiences 24 hours of darkness because it is completely
outside of the circle of illumination.
C) At noon on June 21st, the sun is directly overhead in Quito.
D) Quito is at a latitude that is never the subsolar point.
63) Which of the following is true of the September equinox?
A) All latitudes on Earth, except the Equator, experience unequal daylengths.
B) The subsolar point is at the Tropic of Cancer (23.5° N).
C) The sun rises at the South Pole, where it will remain over the horizon for the following six
months.
D) The Northern Hemisphere spring officially begins.
E) The subsolar point is at the Tropic of Capricorn (23.5° S).
64) Which of the following is true of the March equinox?
A) Moving south of the equator, the daylen gth increases, while moving north of the equator the
daylength decreases.
B) The suns direct rays strike perpendicular at the Tropic of Capricorn (23.5° S).
C) At all latitudes between the poles, day and night are of equal length.
D) In the Southern Hemisphere, it is known as the vernal equinox.
65) On Earth, the Sun passes directly overhead at 25° north latitude ________ times a year.
A) 0
B) 1
C) 2
D) 4
66) Which of the following statements is true?
A) The Northern Hemisphere vernal equinox is the Southern Hemispheres Autumnal Equinox.
B) The Northern Hemisphere vernal equinox is also the Southern Hemispheres Vernal Equinox.
C) The Northern Hemisphere vernal equinox is the Southern Hemispheres Winter Solstice.
D) The Northern Hemisphere vernal equinox is the Southern Hemispheres Summer Solstice.
67) The equinox
A) occurs four times during the year.
B) has 12 hours of day and 12 hours of night for all locations.
C) is the longest day of the year at any given place.
D) is when the subsolar point is at one of the tropics.
68) The Tropic of Capricorn refers to
A) that parallel that is 23.5° south latitude.
B) the location of the subsolar point on September 22.
C) the parallel that is the farthest northern location for the subsolar point during the year.
D) that parallel that is 66.5° south latitude.
69) Which of the following is true regarding dawn and twilight?
A) Dawn and twilight last longest at the equator—approximately 2.5 hours.
B) The polar regions do not experience dawn and twilight.
C) 60° north and south latitudes receive the most dawn and twilight.
D) The duration of both increases with increasing latitude.
70) On June 21st, the Sun’s declination is at
A) the equator.
B) Rio de Janeiro, Brazil and Alice Springs, Australia.
C) the Tropic of Capricorn.
D) the Tropic of Cancer.
71) Which of the following is correct relative to insolation at the thermopause?
A) In June, the North Pole receives over 500 watts per per day.
B) In June, the South Pole receives over 550 watts per per day.
C) Throughout the year, the equatorial receipt varies between 100 and 400 watts per per day.
D) It receives an average amount of insolation equal to 100 watts per per day.
72)
Which of the following is true for the June Solstice?
A) The subsolar point is at the equator.
B) The Arctic Circle is completely within the circle of illumination.
C) The Antarctic Circle is completely within the circle of illumination.
D) The subsolar point is at the Tropic of Capricorn (23.5° S).
73) While standing at the Tropic of Cancer, Emma’s shadow points north at noon (Sun time).
Based on this, which of the following can be definitely concluded?
A) It must be the summer solstice.
B) It must be the winter solstice.
C) It must be one of the equinoxes.
D) It must not be the summer solstice.
E) It must not be the winter solstice.
74) On June 21, the Sun never sets at Finn’s location. Based on this, it can be concluded that Finn
lives
A) between the Tropic of Cancer and the Arctic Circle.
B) between the Tropic of Capricorn and the Antarctic Circle.
C) above the Arctic Circle.
D) below the Antarctic Circle.
75) For observers in the Norther Hemisphere, which of the following is true?
A) Daylength becomes increasingly longer during the period from the summer solstice until the
winter solstice.
B) Daylength decreases from the winter solstice until the vernal equinox, when it begins to
increase.
C) Daylength is longest on the summer solstice and is shortest on the winter solstice.
D) Daylength variations are negligible for all locations throughout the year except above the
Arctic Circle.
76) The Tropic of Cancer refers to
A) the parallel that occurs at 23.5° south latitude.
B) the location of the subsolar point on September 22.
C) the parallel that is the farthest northern location for the subsolar point during the year.
D) 0° latitude when the Sun crosses the equator.
77) The longest days of the year in the Southern Hemisphere are experienced during the
Northern Hemisphere’s
A) Summer solstice.
B) Spring equinox.
C) Winter solstice.
D) earlier than during daylight savings time only.
78) The longest days of the year in the Northern Hemisphere are experienced during the
A) time of 24-hour days at the South Pole.
B) vernal equinox.
C) winter solstice.
D) autumnal equinox.
E) time that the Sun is directly overhead at the Tropic of Cancer.
79) Which of the following relationships is incorrect?
A) December solstice – subsolar point at 23.5 S latitude
B) March equinox – subsolar point at 0° latitude
C) June 21 – subsolar point at 23.5 N latitude
D) June solstice – subsolar point at 23.5 N latitude
E) September equinox – subsolar point at 23.5° S latitude
80) Which of the following is true regarding the point of sunrise for a location in the northern
hemisphere?
A) It migrates from southeast to northeast from winter to summer.
B) It remains fixed throughout the year; only the Sun’s altitude changes.
C) It moves to the south from winter to summer.
D) It is along the western horizon in summer, and the eastern horizon in winter.
81) Which of the following is an example of humans influencing solar energy or seasonality?
A) Solar winds affect communication systems on the Earth.
B) Seasonal change determines the rhythm of life and food resources.
C) Solar energy drives ecosystem processes that benefit humans.
D) Longer summers due to climate change have altered migration patterns of some animals.
2.2 True/False Questions
1) The Solar System, Sun, and Earth formed about 4.6 billion years ago.
2) The Milky Way galaxy contains approximately 300 billion stars, of which the Sun is an
average.sized star.
3) The Milky Way is about 100,000 light-years from side to side.
4) At the speed of light, Earth is an average of only 6 minutes and 40 seconds from the Sun.
5) A light-year is an astronomical unit of length equal to approximately 9.5 trillion kilometers.
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6) Earth is closest to the Sun in early January.
7) Our solar system is located towards the middle of the Milky Way galaxy.
8) Earth is farthest from the Sun at perihelion and closest at aphelion.
9) Earth is closest to the Sun in early July.
10) The Earth’s axis is titled 19.5° relative to the plane of the ecliptic.
11) According to the planetesimal hypothesis, solar systems condense from nebular dust and gas.
12) In order to study the planetesimal hypothesis, astronomers study this process in other parts of