Objective: The student will examine a novel method for testing changes in atmospheric temperatures, the results of which give a new perspective on global warming.

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1	Over the past century, temperatures near the Earth’s surface appear to have:
	A)	lowered by 1 degree Fahrenheit
	B)	increased by 1 degree Fahrenheit
	C)	increased by 10 degrees Fahrenheit
	D)	lowered by 10 degrees Fahrenheit
2	The lower layer of the atmosphere where most weather occurs is the:
	A)	stratosphere
	B)	troposphere
	C)	lithosphere
	D)	none of the above
3	Based on the new data presented in this study, it appears:
	A)	the rapid cooling of the stratosphere was interfering with previous temperature readings in the troposphere
	B)	temperatures in the troposphere are declining each decade
	C)	temperatures in the troposphere are increasing 1/3 of a degree Fahrenheit every decade
	D)	a and c