FA03 – Unified Science (S2)

1. FA03 – Unified Science (S2) Ms. Phillips

2. The upper layer of the atmosphere is the ______. • troposphere. • mesosphere. • stratosphere. • thermosphere. • none of the above • Answer: • thermosphere. FA03/S2/05-11

3. Where are the days and nights of equal length all year long? • at the equator • at 66.5º • at 23.5º • nowhere • all of the above Answer: At the equator FA03/S2/05-02

4. Treatment for Seasonal Affective Disorder generally involves increased exposure to __________. • carbon dioxide • dihydrogen monoxide • sunlight • water vapor • gluten Answer: Sunlight FA03/S2/05-03

5. For maximum winter warmth, in the Northern Hemisphere, large windows in a house should face __________. • north • east • west • northeast • south Answer: South FA03/S2/05-04

6. Our seasons are caused by __________. • the changing distance between the Earth and the Sun • the length of the daylight hours • the angle at which sunlight reaches the Earth • all of the above • The length of the daylight hours and the angle at which sunlight reaches the Earth Answer: The length of the daylight hours and the angle at which sunlight reaches the Earth. FA03/S2/05-05

7. The state of the atmosphere at a given time and place is known as: • climate • weather • meteorology • climatology • none of the above Answer: Weather FA03/S2/05-06

8. How does temperature change in the mesosphere? • It increases with increasing altitude. • It decreases with increasing altitude. • It remains constant to about 20 km, then decreases. • It remains constant throughout the layer. • none of the above • Answer: • It decreases with increasing altitude. FA03/S2/05-07

9. Which primary pollutant has the highest concentration by weight in the atmosphere? • nitrogen oxides. • volatile organic compounds. • carbon monoxide. • sulfur dioxides. • none of the above Answer: carbon monoxide. FA03/S2/05-08

10. The Gulf Coast states are more humid in summer than the coastal areas of southern California mainly because of the: • low relative humidity of the air over the Pacific Ocean • higher air temperature in the Gulf States • lower air temperature in Southern California • higher water temperature in the Gulf of Mexico • air pollution in Southern California Answer: Higher water temperature in the Gulf of Mexico FA03/S2/06-04

11. At which of the following locations would a city generally have a higher average temperature throughout the year? • low latitude and low altitude. • low latitude and high altitude. • high latitude and low altitude. • high latitude and high altitude. • all of the above • Answer: • low latitude and low altitude. FA03/S2/05-10

12. In the Northern Hemisphere, this day has the fewest hours of daylight __________. • summer solstice • vernal equinox • autumnal equinox • winter solstice • none of the above Answer: Winter Solstice FA03/S2/05-01

13. If clouds covered most of the sky during both the day and night hours, what would be the most likely result compared to a clear day and night? • The daytime maximum temperature would be higher on the cloudy day. • The daytime maximum temperature would be lower on the cloudy day. • The nighttime minimum temperature would be lower on the cloudy night. • The daily temperature range would be greater on the cloudy day and night. • none of the above • Answer: • The daytime maximum temperature would be lower on the cloudy day. FA03/S2/05-12

14. What is the fraction of total radiation that is reflected by any surface called? • the greenhouse effect. • scattering • albedo • conduction • none of the above • Answer: • albedo FA03/S2/05-13

15. The transfer of heat by circulation within a fluid or gas is known as __________. • convection • radiation • temperature • conduction • all of the above • Answer: • convection FA03/S2/05-14

16. What prefix is used to identify clouds that appear from 2000 to 6000 meters above the surface? • cirro- • nimbo- • strato- • alto- • hetero- Answer: alto- FA03/S2/06-10

17. The energy transferred from a hotter object to a cooler object is __________. • temperature • heat • convection • scattering • none of the above • Answer: • heat FA03/S2/05-15

18. Stable air will: • be warmer and less dense than the surrounding air. • rise easily. • resist horizontal movement. • resist vertical movement. • none of the above Answer: Resist vertical movement FA03/S2/06-09

19. What instrument is used to measure relative humidity? • barometer • thermometer • rain gauge • sling psychrometer • none of the above • Answer: • sling psychrometer FA03/S2/06-15

20. Which of the following can be used as a method of protecting an orchard from damaging low temperatures during a radiation inversion? • orchard heaters • irrigation (cover the area with water) • wind machines • all of the above • none of the above Answer: All of the above FA03/S2/06-01

21. As the air temperature increases, the air’s capacity for water vapor: • increases • decreases • remains constant • is unrelated to air temperature and can either increase or decrease. • All of the above Answer: Increases FA03/S2/06-02

22. If all the water vapor in the atmosphere were to condense and fall to the ground, the globe would be covered with about __________ of water. • 1 millimeter • 1 inch • 1 foot • 1 meter • 1 mile Answer: 1 inch FA03/S2/06-03

23. The date of September 22 or 23 is the _________. • summer equinox. • winter solstice. • autumnal equinox. • autumnal solstice. • all of the above • Answer: • autumnal equinox. FA03/S2/05-09

24. Dew is most likely to form on: • clear, calm nights • cloudy, calm nights • clear, windy nights • cloudy, windy nights • rainy nights Answer: Clear, calm nights FA03/S2/06-05

25. Which cloud is LEAST likely to produce precipitation that reaches the ground? • stratus • nimbostratus • cumulonimbus • cirrocumulus • all of the above Answer: Cirrocumulous FA03/S2/06-06

26. Light or moderate-but-steady precipitation is most often associated with _____________ clouds. • nimbostratus • cirrostratus • cirrocumulus • cumulonimbus • none of the above Answer: Nimbostratus FA03/S2/06-07

27. The process of changing a liquid to a gas is called _____________. • condensation • evaporation • precipitation • sublimation • none of the above Answer: evaporation FA03/S2/06-08

28. Violent thunderstorms are most likely to form from what type of clouds? • cirrus clouds • cumulonimbus clouds • cumulus clouds • altostratus clouds • none of the above Answer: cumulonimbus clouds FA03/S2/06-11

29. Which of the following is NOT a process that lifts air? • divergence • convergence • orographic lifting • frontal wedging • all of the above Answer: divergence FA03/S2/06-12

30. What process is primarily responsible for the formation of precipitation in warm clouds? • collision-coalescence process • Bergeron process • sublimation process • wet adiabatic process • all of the above • Answer: • collision-coalescence process FA03/S2/06-13

31. At which temperature would an air mass at saturation be capable of holding the most water vapor? • 15°C • 10°C • –10°C • 25°C • all of the above • Answer: • 25⁰ C FA03/S2/06-14