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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 and B

       B and D

      C and E

      A and D

     

  2. Which two locations would be the warmest temperature?

      A and B

       B and C

      C and 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?

        North America

       South America

       Europe

       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?

        The warm air rises, expands, and cools.

       The warm air sinks, expands, and warms.

       The cool air rises, compresses, and cools.

       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?

       occluded front

       stationary front

       cold front

        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?

        75F

       74F

       54F

      540F 

     

  7. What is the dewpoint temperature?

       75F

        74F

       54F

       540F

     

  8. What type of weather are they currently experiencing?

       Sleet

       Rain

        Drizzle

       Hurricane

     

  9. How far can you see there?

       74 miles

        0.25 miles

       540 miles

       1.5 miles

     

  10. Which direction is the wind coming from?

       The northeast

       The northwest

        The southeast

       The southwest

     

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

       -21 inches

        1.5 inches

       0.25 inches

       74 inches

     

  12. What is their average wind velocity?

       15 knots

       540 knots

       4.5 knots

        35 knots

     

  13. What is their average wind velocity?

       35.00 miles per hour

       36.15 miles per hour

       30.43 miles per hour

        40.25 miles per hour

     

  14. What is the current barometric pressure?

       540 mb

        954.0 mb

       1054.0 mb

       154.0 mb

     

  15. What was the barometric trend?

       It was falling 21 mb over the last 3 hours.

       It was falling 2.1 mb over the last 6 hours.

       It was rising 2.1 mb over the last 6 hours

        It was falling 2.1 mb over the last 3 hours

     

  16. What was the barometric pressure 3 hours ago?

       933.0 mb

       975.0 mb

        956.1 mb

       951.9 mb

     

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

       933.0 mb

       975.0 mb

       956.1 mb

        951.9 mb

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

       from the northeast to the southwest

       from the northwest to the southeast

       from the southeast to the northwest

        from the southwest to the northeast

     

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

       cool land

       cool water

       warm land

        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?

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

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

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

       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

       warm and dry.

        cold and dry.

       warm and moist.

       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

        mP.

       mT.

       cP.

       cT.

     

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

       Central Canada

       Central Mexico

        Gulf of Mexico

       North Pacific Ocean

     

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

       colder and contains more moisture.

        colder and contains less moisture.

       warmer and contains more moisture.

       warmer and contains less moisture.

     

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

       mP

        mT

       cP

       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

       Central Canada

       Central Mexico

       Gulf of Mexico

        North Pacific Ocean

     

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

       lower temperature and more water content.

        lower temperature and less water content.

       higher temperature and more water content.

       higher temperature and less water content.

     

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

       mP.

       mT.

       cP.

        cT.

     

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

       size of the air mass.

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

       rotation of the Earth.

       wind speed within the air mass.

     

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

       evaporation.

       volcanic activity.

        precipitation.

       transpiration.

     

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

        1,023 mb

       1,020 mb

       1,017 mb

       1,015 mb

     

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

       Good Optical Eye Satellite

       Great Orbiting the Earth in Space satellite

        Geostationary Operational Environmental Satellite

       Gets Only Earth Satellite

       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

       equally accurate.

        more accurate.

       less accurate.

     

  34. Daily weather forecasts are based primarily on

       ocean currents.

       seismic data.

       phases of the Moon.

        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

        B

       C

       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

       continental polar air mass that originated in central Canada.

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

       continental tropical air mass that originated in the Arctic region.

       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?

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

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

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

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

     

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

       northern Maine

       northwestern Ohio

       central Tennessee

        southeastern New York State

     

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

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

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

       The fastest surface winds always follow the typical storm track.

       The isobars are thicker there.

     

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

       northwest.

        northeast.

       southwest.

       southeast.

     

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

       clockwise and toward the center.

       clockwise and away from the center.

        counterclockwise and toward the center.

       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?

        central Canada

       southwestern United States

       North Atlantic Ocean

       Gulf of Mexico

     

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

       cold front moving northwestward

        cold front moving southeastward

       warm front moving northwestward

       warm front moving southeastward

     

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

       wind direction.

       cloud cover.

        moisture content.

       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?

                      

                      

     

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

       cold front

        occluded front

       stationary front

       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?

       Monday

       Tuesday

       Wednesday

        Thursday

     

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

        cP

       cT

       mP

       mT

     

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

                      

                      

     

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

       20 F.

        28 F.

       36 F.

       4 F.

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

  51. What type of front is this?

        cold front

       occluded front

       stationary front

       warm front

     

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

       City A

        City B

       Both City A and B

       Neither city

     

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

        cP

       cT

       mP

       mT

     

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

       cP

       cT

       mP

        mT

     

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

       Hail

       Long periods of gentle rain and drizzling

        Short periods of heavy rain and thunderstorms

       Tornadoes

     

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

       Lower temperatures and a lower relative humidity.

       Lower temperatures and a higher relative humidity.

       Higher temperatures and a lower relative humidity.

       Higher temperatures and a higher relative humidity.

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

        condensation

       evaporation

       precipitation

       infiltration

     

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

       expanding air.

       condensation nuclei.

        condensing water vapor.

       falling precipitation.

     

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

       241 mb

       924.1 mb

        1,024. mb

       9,241.0 mb

     

  60. When water changes to ice,

        energy is given off.

       energy is absorbed.

       the total amount of energy remains the same.   

     

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

        A high-pressure system

       A hurricane

       A low-pressure system

       A tornado

     

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

       anticyclone.

        cyclone.

       typhoon.

       tsunami.

     

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

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

       Around central Canada and over land.

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

       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?

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

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

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

        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?

       Better than 90%

       Between 70% and 90%

       Between 50% and 70%

       Less than 50%