Chapter 18 Multiple Choice Quiz 1

Please answer all questions


1	During which month of the year does the earth receive the greatest average energy from the sun?
		A)	January
		B)	March
		C)	June
		D)	September


2	How frequently does the sun appear directly overhead in Mexico City (≈ 20° N latitude)?
		A)	daily
		B)	once a year
		C)	twice a year
		D)	four times a year


3	The slow wobble of the earth's axis is called
		A)	Coriolis
		B)	solstice
		C)	perigee
		D)	precession


4	An apparent solar day is
		A)	the interval between two consecutive solar noons.
		B)	slightly longer than a sidereal day.
		C)	rarely exactly 24 hours long.
		D)	all of these


5	Evidence that the earth is rotating is provided by
		A)	the motion of a pendulum.
		B)	seasonal climactic changes.
		C)	the varying solar day.
		D)	the movement of the constellations.


6	If your favorite constellation rose at 8:00 PM one night, when would it rise two weeks later?
		A)	at 8:00 PM
		B)	around 7:00 PM
		C)	around 9:00 PM
		D)	it depends on the constellation


7	North of the Tropic of Cancer, the sun appears directly overhead at noon
		A)	never.
		B)	daily.
		C)	twice a year, at the equinoxes.
		D)	twice a year, at the solstices.


8	South of the Antarctic Circle, the sun appears
		A)	directly overhead only once a year
		B)	directly overhead twice yearly.
		C)	above the horizon all day at least once during December.
		D)	above the horizon all day at least once during June.


9	In the time 9:00 AM, the "AM" means
		A)	after morning
		B)	after the meridian
		C)	astronomical motion
		D)	before the meridian


10	During which phase of the moon would a solar eclipse occur?
		A)	full
		B)	first quarter
		C)	last quarter
		D)	new

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