Quiz prepared by Leslie J. Sonder, Dartmouth College.

1		Which of the following is not an effective greenhouse gas?
			A)	water vapor
			B)	methane
			C)	oxygen
			D)	carbon dioxide
			E)	chlorofluorocarbons
2		Climate variations on the scale of decades may be caused by _______________.
			A)	solar radiation variation caused by orbital variations
			B)	changes in ocean currents
			C)	volcanic eruptions
			D)	plate tectonic cycles
			E)	none of the above
3		A drought is defined as _________________.
			A)	a desert region of low rainfall
			B)	a time of abnormally low rainfall
			C)	a famine condition
			D)	a lack of water
4		The U.S. Dust Bowl era occurred ______________.
			A)	in the Midwest during the 1930's
			B)	in the southwest during the 1920's
			C)	in New England during the 1890's
			D)	in the west in the 1950's
5		The Sub-Sahelian drought in Africa between 1968-1975 was probably caused by ______________.
			A)	a change in the position of the intertropical convergence zone
			B)	poor farming and grazing practices by local people
			C)	deforestation due to overharvesting of tropical rain forests
			D)	formation of hardgrounds
			E)	political instability and regional conflicts
6		Humans produce the largest amount of CO2 by _______________.
			A)	land clearing and burning
			B)	agriculture and land-use changes
			C)	burning of fossil fuels
			D)	nuclear power generation
			E)	urbanization
7		Some effects of global warming may be ___________________.
			A)	increase in droughts in some areas
			B)	increase in rainfall in some areas
			C)	sea-level rise
			D)	shifts in forests and agriculture patterns
			E)	all of the above
8		Which of the following natural disasters causes the most deaths per year in the U.S.?
			A)	earthquakes
			B)	volcanic eruptions
			C)	mass movements
			D)	severe weather
			E)	meteorite impacts
9		The Fujita scale quantifies tornadoes, based on _________________.
			A)	length of time it is on the ground
			B)	the extent of damages caused by wind
			C)	diameter of the funnel
			D)	speed at which the funnel moves across the ground
10		Nor'easters ____________________.
			A)	are associated with anticyclones
			B)	are associated with warm winds
			C)	are rarest in winter and early spring
			D)	often bring heavy snowfall
11		Deaths from lightning strikes are most common in what state of the U.S.?
			A)	Florida
			B)	California
			C)	Texas
			D)	Maine
			E)	Missouri
12		Tornadoes in the U.S. usually move from ______________.
			A)	northwest to southeast
			B)	southwest to northeast
			C)	north to south
			D)	south to north
			E)	east to west
13		Second only to the Midwestern U.S., this region of the U.S. also experiences large numbers of tornadoes each year.
			A)	New England
			B)	Southeast
			C)	Southwest
			D)	Northwest
14		Thunderstorms most commonly occur ________________.
			A)	when warm moist air is heated
			B)	on sunny days
			C)	in early afternoon or evening
			D)	all of the above
			E)	none of the above
15		Which of the following events are associated with thunderstorms?
			A)	heavy rainfall and hail
			B)	thunder and lightning
			C)	microbursts
			D)	tornadoes
			E)	all of the above
16		Which of the following states has the greatest number of days with thunderstorms each year?
			A)	Florida
			B)	California
			C)	Texas
			D)	Maine
			E)	Missouri
17		Most thunderstorms in the U.S. are the result of collision of cooler air with ______________ air mass?
			A)	warm moist Pacific
			B)	warm moist Gulf of Mexico
			C)	cool dry north Pacific
			D)	cool dry north Atlantic
18		Some of the most intense rainfall in the U.S. occurs in _______________.
			A)	eastern Washington
			B)	central New York
			C)	central Texas
			D)	northern Minnesota
			E)	southern Arizona
19		Hail is most common in what region of the U.S.?
			A)	New England
			B)	Southeast
			C)	Midwest
			D)	Southwest
			E)	Northwest