ATM 102/EST 102 -Weather & Climate Final VERSION 1

ATM 102/EST 102 -Weather & Climate Final VERSION 2 Name: SBU Spring 2013 ID # : MULTIPLE CHOICE: Choose the answer that best answers the question. Hand in BOTH the test and the SCANTRON (Name and ID#) Part 1: Chapters 1-6 (30 Questions) CHAPTER 1 1. Which of the following components in the atmosphere is most important in affecting weather phenomena? A) water vapor B) oxygen C) ozone D) Nitrogen 2. One would expect that the current pressure at Stony Brook is than the pressure at Mount Elbert in Colorado (highest point in the lower 48 states). A) lower than B) about the same as C) higher than D) none of these 3. The four thermal layers of the atmosphere in order beginning from the surface are: A) thermosphere, stratosphere, mesosphere, troposphere B) troposphere, stratosphere, mesosphere, thermosphere C) mesosphere, stratosphere, thermosphere, troposphere D) stratosphere, troposphere, mesosphere, thermosphere 4. Which one of the following is the SECOND MOST abundant gas in the atmosphere? A) oxygen B) hydrogen C) argon D) nitrogen E) carbon dioxide 5. Essentially all important weather phenomena occur in the: A) heterosphere B) ionosphere CHAPTER 2 C) stratosphere D) troposphere 6. The date of the highest sun angle and greatest length of daylight at Stony Brook (41º N) is: A) June 21 B) September 22 C) March 21 D) December 21 7. What is the difference between advection and convection? A) Convection is vertical circulation, advection is horizontal B) Advection is vertical circulation, convection is horizontal. C) Advection is the same as conduction, whereas convection is the same as radiation. D) Convection is the same as conduction, whereas advection is the same as radiation. 8. Earth is closest to the Sun during: A) Southern hemisphere autumn. B) Northern hemisphere autumn. C) Northern hemisphere winter. D) Southern hemisphere winter. E) Northern hemisphere summer. 9. Which of the following is the primary reason for seasonal temperature change? A) Changes in the tilt of the Earth’s axis. B) Changes in distance of the Earth from the Sun. C) Changes in sun angle and length of daylight. D) All of the above. 10. The 90 degrees angle rays strike the Tropic of Cancer on: A) March 21. B) June 21. C) December 21. Chapter 3 D) September 22. E) July 4. 11. The annual temperature range is quite small near the equator. This is true primarily because: A) the elevation of most land areas there is near sea level. B) the earth emits more infrared energy at these locations. C) Wind speeds always tend to be low. D) solar radiation is nearly uniform all year. 12. An isotherm on a map: A) represents the warmest place on the map. B) identifies all places that have the same annual mean temperature. C) represents the coldest place on the map. D) connects points of equal temperature. 13. What time does the local minimum temperature usually occurs? A) Midnight local time. B) 2-3 hours before sunrise. C) The mid to late afternoon. D) Just after sunrise. 14. Temperatures at the Earth's surface tend to DECREASE when solar radiation: A) is equal to Earth's longwave radiation. B) exceeds Earth's longwave radiation. C) is less than Earth's longwave radiation. D) is increasing. 15. Generally, the warmest months of the year in the Northern Hemisphere (like on Long Island) are: A) the fall equinox: September B) July and August CHAPTER 4 C) the summer solstice: June D) September and October 16. What is the name of the instrument used to measure relative humidity? A) Psychrometer B) Anemometer C) Barometer D) Rain Gauge 17. In which phase do water molecules have the lowest kinetic energy? A) Ice B) vapor C) liquid D) It has the same kinetic energy in all three phases 18. The temperature of a rising air parcel decreases because the air has: A) been compressed. B) emitted infrared radiation. C) lost heat to the colder air at higher altitudes. D) expanded to a larger volume. 19. If the air temperature remains constant, evaporating water into the air will the dew point and the relative humidity. A) increase, decrease B) increase, increase. C) not change, increase D) decrease, increase E) decrease, decrease 20. Saturation is best defined as: A) a vapor pressure greater than 1000 mb. B) a mixing ratio of at least 100 g kg -1. C) equal numbers of water molecules evaporating from and condensing into a water surface. D) the point when water molecules completely stop evaporating from a water surface. CHAPTER 5 21. When warm moist air moves over a cold surface, _ fog may result. A) steam B) advection C) radiation D) precipitation E) upslope 22. Supercooled water . A) is a special form of ice B) is water in the liquid state below 0°C C) is produced from dry ice D) has a slightly different chemical composition from that of ordinary water 23. The most common way for air to be cooled in order for a cloud to form is by: A) sinking and contracting.