Instructions: Choose one answer from each pair of selections. The sky appears blue because air molecules are LARGER SMALLER than the wavelength of visible light and selectively scatter the shorter wavelengths.
Question 2Which condition would contribute to higher surface air temperatures?
A) moist loamy soil
B) moist loamy soil with high vegetation
C) dry sandy soil with little vegetation
D) dry loamy soil with high vegetation
Question 3Storms that form in the tropics are given names when ____.
A) they reach tropical storm strength
B) they become fully developed hurricanes
C) they approach to within 250 miles of land
D) rotation becomes visible on a satellite photograph
Question 4The primary rainbow is produced by raindrops falling below a cloud; the secondary bow is produced by frozen precipitation.
Indicate whether the statement is true or false
Question 5Which area would you expect to have smaller diurnal temperature ranges (assuming all other factors are equal)?
A) coastal cities
B) inland cities
C) inland prairies
D) high deserts
Question 6Hurricane winds rotate in a clockwise direction in ____.
A) the Northern Hemisphere only
B) the Southern Hemisphere only
C) both the Northern and Southern Hemispheres
D) neither hemisphere
Question 7Mirages, halos, and rainbows are all optical phenomena produced by the refraction of light.
Indicate whether the statement is true or false
Question 8Cold and cloudy nights are warmer than cold and clear nights (other factors being equal) because ____.
A) of strong radiation inversions
B) clouds reflect sunlight
C) of thermal belts
D) clouds absorb outgoing infrared energy and radiate it back to the surface
Question 9The strongest winds in a hurricane are found ____.
A) at the center of the storm
B) in the eyewall
C) at upper levels, above the center of the hurricane
D) near the periphery of the hurricane
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