Chapter 7 Test Review

Instructions:  There are 65 review questions on this page.  Click on the button with the answer that you think is correct.  Keep track of how many you get correct on the first try, divide that number by 65, and then multiply by 100, and that will be your grade had this been the actual test.

Base your answers to questions 1 to 2 on the map below which shows high pressure and low pressure weather systems in the United States.

1. Which two lettered positions on the map are most likely receiving precipitation?

   A.   A and B

   B.   B and D

   C.   C and E

   D.   A and D

    

2. Which two locations would be the warmest temperature?

   A.   A and B

   B.   B and C

   C.   C and D

   D.   A and D

   

3. The hurricane shown on the map below is following a normal storm track for the month of September.

   

   From the position shown on the map, toward which landmass is the hurricane most likely traveling?

   A.    North America

   B.    South America

   C.    Europe

   D.    Africa

   

   Base your answers to questions 4 and 5 on the diagram below, which shows the frontal boundary between mT and cP air masses.

   

4. Why do clouds and precipitation usually occur along the frontal surface?

   A.    The warm air rises, expands, and cools.

   B.    The warm air sinks, expands, and warms.

   C.    The cool air rises, compresses, and cools.

   D.    The cool air sinks, compresses, and  warms.

    

5. If the front at ground level is moving toward city B, which type of weather front is shown?

   A.    occluded front

   B.    stationary front

   C.    cold front

   D.    warm front

    

    Use the station model below to answer questions 6 through 17.  The station model below shows the weather conditions at Massena, New York at 9 a.m. on a particular day in June.

   

6. What is the current air temperature?

   A.    75°F

   B.    74°F

   C.    54°F

   D.   540°F 

    

7. What is the dewpoint temperature?

   A.    75°F

   B.    74°F

   C.    54°F

   D.    540°F

    

8. What type of weather are they currently experiencing?

   A.    Sleet

   B.    Rain

   C.    Drizzle

   D.    Hurricane

    

9. How far can you see there?

   A.    74 miles

   B.    0.25 miles

   C.    540 miles

   D.    1.5 miles

    

10. Which direction is the wind coming from?

    A.    The northeast

    B.    The northwest

    C.    The southeast

    D.    The southwest

     

11. How much precipitation did they get over the last 6 hours?

    A.    -21 inches

    B.    1.5 inches

    C.    0.25 inches

    D.    74 inches

     

12. What is their average wind velocity?

    A.    15 knots

    B.    540 knots

    C.    4.5 knots

    D.    35 knots

     

13. What is their average wind velocity?

    A.    35.00 miles per hour

    B.    36.15 miles per hour

    C.    30.43 miles per hour

    D.    40.25 miles per hour

     

14. What is the current barometric pressure?

    A.    540 mb

    B.    954.0 mb

    C.    1054.0 mb

    D.    154.0 mb

     

15. What was the barometric trend?

    A.    It was falling 21 mb over the last 3 hours.

    B.    It was falling 2.1 mb over the last 6 hours.

    C.    It was rising 2.1 mb over the last 6 hours

    D.    It was falling 2.1 mb over the last 3 hours

     

16. What was the barometric pressure 3 hours ago?

    A.    933.0 mb

    B.    975.0 mb

    C.    956.1 mb

    D.    951.9 mb

     

17. Providing that the trend remains the same, what will the barometric pressure be 3 hours from now?

    A.    933.0 mb

    B.    975.0 mb

    C.    956.1 mb

    D.    951.9 mb

    

18. Which way does the average storm system move across New York State?

    A.    from the northeast to the southwest

    B.    from the northwest to the southeast

    C.    from the southeast to the northwest

    D.    from the southwest to the northeast

     

19. An air mass classified as mT usually forms over which type of Earth surface?

    A.    cool land

    B.    cool water

    C.    warm land

    D.    warm water

     

20. In New York State, dry, cool air masses often interact with moist, warm air masses.  Which statement correctly matches each air mass with its usual geographic source region?

    A.    cP is from the North Atlantic Ocean and mT is from the deserts of the southwestern United States.

    B.    cP is from northern Canada and mT is from the deserts of the southwestern United States.

    C.    cP is from northern Canada and mT is from the Gulf of Mexico.

    D.    cP is from the North Atlantic Ocean and mT is from the Gulf of Mexico.

     

21. An air mass originating over north central Canada would most likely be

    A.    warm and dry.

    B.    cold and dry.

    C.    warm and moist.

    D.    cold and moist.

     

22. An air mass that originates over the northern Pacific Ocean and moves southward over the United States would most likely be labeled on a weather map as

    A.    mP.

    B.    mT.

    C.    cP.

    D.    cT.

     

23. In which geographic region are air masses most often warm with a high moisture content?

    A.    Central Canada

    B.    Central Mexico

    C.    Gulf of Mexico

    D.    North Pacific Ocean

     

24. Compared to a maritime tropical air mass, a continental polar air mass is

    A.    colder and contains more moisture.

    B.    colder and contains less moisture.

    C.    warmer and contains more moisture.

    D.    warmer and contains less moisture.

     

25. Which air mass contains the largest amount of water vapor?

    A.    mP

    B.    mT

    C.    cP

    D.    cT

     

26. An mP air mass is located over the northwestern part of the United States.  The source region of this air mass is most likely

    A.    Central Canada

    B.    Central Mexico

    C.    Gulf of Mexico

    D.    North Pacific Ocean

     

27. Compared to a maritime tropical air mass, a maritime polar air mass has

    A.    lower temperature and more water content.

    B.    lower temperature and less water content.

    C.    higher temperature and more water content.

    D.    higher temperature and less water content.

     

28. On a weather map, an air mass that is very warm and dry would be labeled

    A.    mP.

    B.    mT.

    C.    cP.

    D.    cT.

     

29. The properties of an air mass depend mainly on the

    A.    size of the air mass.

    B.    characteristics of the surface over which the air mass was formed.

    C.    rotation of the Earth.

    D.    wind speed within the air mass.

     

30. Pollutants are most likely to be removed from the atmosphere by

    A.    evaporation.

    B.    volcanic activity.

    C.    precipitation.

    D.    transpiration.

     

31. According to the Earth Science Reference Tables, an air pressure of 30.21 inches of mercury is equal to approximately

    A.    1,023 mb

    B.    1,020 mb

    C.    1,017 mb

    D.    1,015 mb

     

32. When referring to the different types of weather satellites, what does G.O.E.S. stand for?

    A.    Good Optical Eye Satellite

    B.    Great Orbiting the Earth in Space satellite

    C.    Geostationary Operational Environmental Satellite

    D.    Gets Only Earth Satellite

    E.    Government Occupies Everything even in Space satellite

     

33. Compared to the accuracy of the 24-hour weather forecasts of the 1930s, the 24-hour weather forecasts of today are

    A.    equally accurate.

    B.    more accurate.

    C.    less accurate.

     

34. Daily weather forecasts are based primarily on

    A.    ocean currents.

    B.    seismic data.

    C.    phases of the Moon.

    D.    air mass movements.

     

35. A map of the United States is shown below.

    

    Weather conditions in which location would be of most interest to a person predicting the next day's weather for New York State?

    A.    A

    B.    B

    C.    C

    D.    D

    

    Base your answers to questions 36 through 41 on the weather map below, the Earth Science Reference Tables, and your knowledge of Earth science.  The map shows a high-pressure center (H) and a low-pressure center (L).  Isobars are labeled in millibars.

    

36. The high-pressure system is most likely the center of a

    A.   continental polar air mass that originated in central Canada.

    B.    maritime polar air mass that originated over the Gulf of Mexico.

    C.    continental tropical air mass that originated in the Arctic region.

    D.    maritime tropical air mass that originated over the Atlantic Ocean.

     

37. Why does the region near the northern portion of the low-pressure center have cloudy skies and snow?

    A.    Air above this region is sinking and cooling, and water vapor is evaporating.

    B.    Air above this region is sinking and warming, and water vapor is evaporating.

    C.    Air above this region is rising and cooling, and water vapor is condensing.

    D.    Air above this region is rising and warming, and water vapor is condensing.

     

38. Which location has the highest velocity of surface winds?

    A.    northern Maine

    B.    northwestern Ohio

    C.    central Tennessee

    D.    southeastern New York State

     

39. How does the weather map shows where the highest velocity of surface winds are located?

    A.    The fastest surface winds are always located around a low-pressure system.

    B.    The isobars are closer together in that region than in others.

    C.    The fastest surface winds always follow the typical storm track.

    D.    The isobars are thicker there.

     

40. If the low-pressure system follows a typical storm track, the system will move toward the

    A.    northwest.

    B.    northeast.

    C.    southwest.

    D.    southeast.

     

41. In this low-pressure system, the surface winds are circulating

    A.    clockwise and toward the center.

    B.    clockwise and away from the center.

    C.    counterclockwise and toward the center.

    D.    counterclockwise and away from the center.

    

    Base your answer to questions 42 through 44 on the weather map of North America below.  The map shows the location of a front and the air mass influencing its movement.

    

42. Which region is the probable source of the air mass labeled cP on the map?

    A.    central Canada

    B.    southwestern United States

    C.    North Atlantic Ocean

    D.    Gulf of Mexico

     

43. Which type of front and frontal movement is shown on the weather map?

    A.    cold front moving northwestward

    B.    cold front moving southeastward

    C.    warm front moving northwestward

    D.    warm front moving southeastward

     

44. The cP air mass is identified on the basis of its temperature and

    A.    wind direction.

    B.    cloud cover.

    C.    moisture content.

    D.    wind speed.

    

    Use the diagram below for questions 45 through 46, which represents a cross section of air masses and frontal surfaces along line AB.  The dashed lines represent precipitation.

    

45. Which weather map best represents this frontal system?

    A.               B.    

    C.                D.    

     

46. What type of front is shown on this map?

    A.    cold front

    B.    occluded front

    C.    stationary front

    D.    warm front

    

    Base your answers to questions 47 through 50 on the Earth Science Reference Tables and the data table below.  The table shows weather conditions for 4 consecutive days at a location in New York State.  Each reading was taken at 1 p.m.

    

47. On which day was the wind speed at 1 p.m. the greatest?

    A.    Monday

    B.    Tuesday

    C.    Wednesday

    D.    Thursday

     

48. Which type of air mass was most likely over New York State on Monday and Tuesday?

    A.    cP

    B.    cT

    C.    mP

    D.    mT

     

49. Which symbol best indicates the weather conditions at 1 p.m. on Wednesday?

    A.                B.    

    C.                D.   

     

50. If the weather trend continues, the most probable air temperature for 1 p.m. on Friday is

    A.    20 °F.

    B.    28 °F.

    C.    36 °F.

    D.    4 °F.

    

    Use the profile of the following front to answer questions 51 through 56. 

    

51. What type of front is this?

    A.    cold front

    B.    occluded front

    C.    stationary front

    D.    warm front

     

52. Which city is most likely to get precipitation within the next few hours?

    A.    City A

    B.    City B

    C.    Both City A and B

    D.    Neither city

     

53. What type of air mass is City A most likely in?

    A.    cP

    B.    cT

    C.    mP

    D.    mT

     

54. What type of air mass is City A most likely in?

    A.    cP

    B.    cT

    C.    mP

    D.    mT

     

55. Which of the following NOT usually associated with this type of front?

    A.    Hail

    B.    Long periods of gentle rain and drizzling

    C.    Short periods of heavy rain and thunderstorms

    D.    Tornadoes

     

56. After the front passes, what type of weather is probably forecasted for City B?

    A.   Lower temperatures and a lower relative humidity.

    B.    Lower temperatures and a higher relative humidity.

    C.    Higher temperatures and a lower relative humidity.

    D.    Higher temperatures and a higher relative humidity.

    

57. What is the change in phase from a gas to a liquid called?

    A.    condensation

    B.    evaporation

    C.    precipitation

    D.    infiltration

     

58. Heat energy is released into the atmosphere as clouds form due to

    A.    expanding air.

    B.    condensation nuclei.

    C.    condensing water vapor.

    D.    falling precipitation.

     

59. What is the atmospheric pressure if the weather map symbol has the code "241?"

    A.    241 mb

    B.    924.1 mb

    C.    1,024. mb

    D.    9,241.0 mb

     

60. When water changes to ice,

    A.    energy is given off.

    B.    energy is absorbed.

    C.    the total amount of energy remains the same.   

     

61. Which of the following do NOT rotate in the same direction?

    A.    A high-pressure system

    B.    A hurricane

    C.    A low-pressure system

    D.    A tornado

     

62. Any low-pressure center in the northern hemisphere is called a

    A.    anticyclone.

    B.    cyclone.

    C.    typhoon.

    D.    tsunami.

     

63. Where do the potentially North American bound hurricanes form?

    A.    Approximately 60° to 66.5° north latitudes and off the east coast of Greenland.

    B.    Around central Canada and over land.

    C.    Approximately 5° to 15° north of the Equator and off of the west coast of Africa.

    D.    Approximately 5° to 15° north of the Equator and off of the west coast of Mexico.

     

64. Why do hurricanes usually die out before they reach us?

    A.    They move to warmer climates and over drier water, which cuts off its "fuel" source.

    B.    They move to colder climates and over drier water, which cuts off its "fuel" source.

    C.    They move to warmer climates and over drier land, which cuts off its "fuel" source.

    D.    They move to colder climates and over drier land, which cuts off its "fuel" source.

     

65. If you paid attention in class, did all of your homework, studied, and did well on all of these questions, what is your odds of passing?

    A.   Better than 90%

    B.    Between 70% and 90%

    C.    Between 50% and 70%

    D.    Less than 50%