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Fill in the Blank


This activity contains 10 questions.

Question 1
1 The Sun's __________ is the latitude of the subsolar point.
 
circle of illumination
altitude
energy
insolation
declination
End of Question 1


Question 2
2 A(n) __________ is a large magnetic storm that reveals unusual solar activity.
 
magnetic field
aurora borealis
ionosphere
troposphere
sunspot
End of Question 2


Question 3
3 On the December solstice, the __________ is at 23.5 degrees south latitude.
 
subsolar point
midnight sun
circle of illumination
equinox
sunrise
End of Question 3


Question 4
4
Open Hint for Question 4 in a new window		 Daylength for virtually all points on Earth is almost exactly 12 hours on the __________.
 
axial parallel
solstices
tropics
equinoxes
subsolar point
End of Question 4


Question 5
5
Open Hint for Question 5 in a new window		 At the South Pole, daylength is 24 hours/day for all days between __________.
 
the December solstice and the following September equinox
the June solstice and the following December solstice
the September equinox and the following March equinox
the March equinox and the following June solstice
End of Question 5


Question 6
6 The top of the atmosphere, also considered the outer boundary of Earth's energy system, is referred to as the __________.
 
solar constant
thermopause
electromagnetic spectrum
magnetosphere
aurora borealis
End of Question 6


Question 7
7 __________ is the balance between incoming shortwave and outgoing longwave radiation.
 
The solar constant
The circle of illumination
Net radiation
The troposphere
Insolation
End of Question 7


Question 8
8 The Earth is at __________ during the Northern hemisphere winter (on or about January 3).
 
equinox
aphelion
solstice
the speed of light
perihelion
End of Question 8


Question 9
9 The Earth's __________ produces the continually changing daily pattern of day and night.
 
revolution around the sun
sphericity
rotation
atmosphere
axial tilt
End of Question 9


Question 10
10 The __________ consists of billions of stars as well as our own solar system.
 
Earth galaxy
ecliptic universe
nebula protoplanet
Milky Way galaxy
planetesimal galaxy
End of Question 10






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