1. 2. 3. 4. 5. 6. 7. 8. Weather Exam DO NOT WRITE ON THIS EXAM The amount of water vapor the air can hold depends on air temperature. At higher temperatures the air a. Holds less water vapor b. Can hold more water vapor c. Is saturated d. Holds water vapor at its dew point The temperature to which air must be cooled for saturation to occur is called a. Relative humidity b. Its dew point c. Precipitation d. Its condensation point As air temperature decreases, relative humidity a. drops b. stays the same c. decreases d. increases As air rises, it a. compresses and warms. b. compresses and cools. c. expands and warms. d. expands and cools. If a volume of air is warmed, it expands. If a volume of air expands it a. Warms. b. Cool. c. Neither warms or cools. Clouds denoted by the prefix “alto” are called a. Low clouds b. Middle clouds c. High clouds d. Vertical clouds Clouds denoted by the prefix “cirro” are called a. Low clouds b. Middle clouds c. High clouds d. Vertical clouds Clouds occur when moist air is cooled by a. Expansion when it rises b. Compression when it rises c. Expansion when it falls d. Compression when it falls Matching- (Questions 9-14) Convectional lifting Frontal lifting Warm Front Temperature inversion Cold Front Orographic lifting 9. When an air mass is pushed upward over an obstacle, it undergoes _______________________. 10. The smog problem in Denver is caused by __________. 11. When two air masses rise due to a temperature difference it is called________________________. 12. Warming air rises from a “hot spot” and moves like a lava lamp. This type of movement is called_____________. 13. A front where cold air moves into warm air. 14. A front where warm air moves into cold air. Free response: 15. The thickest layer of atmosphere that we learned about is the ________________. 16. Airplanes fly in the _________layer of the atmosphere. 17. Weather occurs in the _______layer of the atmosphere. 18. Lightning is caused by _________________. 19. If I divide the amount of water vapor in the air by the possible amount of vapor that it could hold at that temp. I am talking about ____________________.