What is dispersion?
Question 2An astronaut walking in space at an altitude of 300 km and properly shielded from the sun would feel cold when the temperature is 500C as a result of ____.
A) high air density
B) low air density
C) high air pressure
D) temperature inversion
Question 3The main feature distinguishing a hurricane from an ordinary tropical storm is that ____.
A) hurricanes are larger
B) tropical storms are more than 500 miles from the U.S. mainland
C) winds speeds are greater in a hurricane
D) hurricanes have a clearly defined eye on satellite photographs
Question 4Why does the sun and moon both appear to be higher than they really are along the horizon?
Question 5Which condition would be equivalent to an air temperature of 45F, a wind speed of 30 mi/hr, and a wind-chill equivalent temperature of 15F?
A) a 15F air temperature and 0 mi/hr winds
B) a 30F air temperature and 45 mi/hr winds
C) a 30F air temperature and 15 mi/hr winds
D) a 15F air temperature and 30 mi/hr winds
Question 6Just before a storm is classified as a fully developed hurricane, it is in the tropical ____ stage.
A) depression
B) disturbance
C) storm
D) cyclone
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