Name: ______________________ Class: _________________ Date: _________ ID: A 1 Meteorology Practice Exam Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent. a. nitrogen, oxygen b. hydrogen, oxygen c. oxygen, hydrogen d. nitrogen, water vapor e. hydrogen, helium ____ 2. The amount of force exerted over an area of surface is called: a. density. b. weight. c. temperature. d. pressure. ____ 3. Much of Tibet lies at altitudes over 18,000 feet where the pressure is about 500 mb. At such altitudes, the Tibetans are above roughly: a. 10 percent of the air molecules in the atmosphere. b. 25 percent of the air molecules in the atmosphere. c. 50 percent of the air molecules in the atmosphere. d. 75 percent of the air molecules in the atmosphere. e. 90 percent of the air molecules in the atmosphere. ____ 4. The planet with a strong greenhouse effect, whose surface temperature averages 480 ° C (900 ° F) is: a. Earth. b. Venus. c. Mars. d. Pluto. e. none of these ____ 5. In the stratosphere, the air temperature normally: a. decreases with increasing height. b. increases with increasing height. c. both increases and decreases depending on the season. d. cannot be measured. ____ 6. The most abundant gas in the stratosphere is: a. oxygen (O 2 ). b. nitrogen (N 2 ). c. carbon dioxide (CO 2 ). d. ozone (O 3 ). e. chlorofluorocarbons (CFCs).
Name: ______________________ ID: A 2 ____ 7. Scientists are able to determine the air temperature in the thermosphere by: a. using radiosondes. b. using temperature probes in orbiting satellites. c. observing changes in satellite orbits. d. direct measurements in manned, high-altitude balloons. ____ 8. The rate at which temperature decreases with increasing altitude is known as the: a. temperature slope. b. lapse rate. c. sounding. d. thermocline. ____ 9. Meteorology is the study of: a. landforms. b. the oceans. c. the atmosphere. d. outer space. e. extraterrestrial meteoroids that enter the atmosphere. ____ 10. Where cold surface air replaces warm air, the boundary separating the different bodies of air is: a. a parallel of latitude. b. a tornado. c. a cold front. d. a warm front. ____ 11. The horizontal extent of the ozone hole can sometimes exceed the size of the Antarctic continent. a. true b. false ____ 12. About ____ of the meteorologists and atmospheric scientists in the United States work in the field of weather forecasting. a. one-tenth b. one-half c. three-quarters d. nine-tenths ____ 13. Meteorology is considered a branch of: a. mineralogical sciences. b. phenology. c. phrenology. d.
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