Geography 1111 Knox Test 2

Geography 1111 Knox Test 2 - GEOG 1111 TEST #2 ANSWER KEY...

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GEOG 1111 TEST #2 ANSWER KEY October 8, 2010 Dr. John Knox ALL VERSIONS Explanation of answer key:  The letters of the answers below correspond to the key for  all versions although a few questions differed very slightly between versions.  The  Version A questions and answers are shown below.  Contact me if you need  information regarding a different version. __________________________________________________________________ ________ Results (all versions, scaled up 1 Scantron point = 2%): High score: 100% Low score: 44% Median score: 80% Mean (avg.) score: 78.89% A’s: 20% B’s: 34% C’s: 29% D’s: 9% F’s: 8% * means <= 60% got right ** means < 40% got it right; THESE WILL SHOW UP ON LATER TESTS ☺means at least 95% got it right; ☺☺means at least 99% got it right; ☺☺☺ = 100% got it right. means a question that really separated out high from low scores, e.g. the top quartile of the class did exceptionally well on that question but the bottom quartile did exceptionally poorly on it. __D__ 1. If the tilt of the Earth changed from 23.5° to 34°, in what month would it probably be hottest in Buenos Aires, Argentina (34°S)? a) April b) July c) October d) January e) same temp year-round __A__ 2. As you go up in the atmosphere from the ocean surface to the upper troposphere in the mid- latitudes, which of the following typically DOESN’T happen? a) the wind speed decreases a lot b) the temperature decreases a lot c) the pressure decreases a lot d) the density decreases a lot __E__ 3 . A Broadway play was once entitled “Stop The World, I Want To Get Off.” If you could stop the world from spinning, which of the following forces would DEFINITELY be zero? a) centrifugal force b) pressure gradient force c) frictional force d) gravity e) Coriolis force __A__ 4. Geostrophic balance helps explain the following fact about wind: a) wind around high pressure systems in the Northern Hemisphere blows clockwise b) air rises in lows due to friction c) straight jet streams usually blow from east to west in the mid-latitude upper troposphere d) air does not accelerate rapidly in the vertical outside of thunderstorms e) tornadoes always have counterclockwise winds __C__ 5. Which one of these gases is one of the three most commonly occurring gases in the atmosphere? a) carbon dioxide (7%) b) methane c) argon d) nitrous oxide e) ozone 1
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GEOGRAPHY 1111 TEST #2 ANSWER KEY October 8, 2010 __E__ 6. Could a tropical cyclone develop over the Caribbean Sea (15°N) in September? a) Yes, the ocean temperatures in that region are cold enough for a tropical cyclone to develop. b) No, the ocean temperatures in that region are too warm for a tropical cyclone to develop. c)
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This note was uploaded on 06/10/2011 for the course GEOG 1111 taught by Professor Hopkins during the Spring '08 term at University of Georgia Athens.

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Geography 1111 Knox Test 2 - GEOG 1111 TEST #2 ANSWER KEY...

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