Air Masses

Air Masses, Fronts and Pressure Cells Version D

Directions: Answer the following questions concerning the Earth's atmosphere.

Take time to read each question carefully, eliminate the wrong answers by reasoning.

Good Luck!

Section 1 Air Masses

1. Air masses have similar temperatures and ______________.

a. Pressure

b. Moisture

c. Size

2. There are how many types of air masses?

a. 4

b. 3

c. 2

3. ____________ air masses are warm and dry.

a. "cP"

b. "mT"

c. "cT"

4. _____________ air masses are cold and wet.

a. "cP"

b. "cT"

c. "mP"

5. _____________ air masses are warm and wet.

a. "mT"

b. " cP"

c. "mP"

6. _____________ air masses are cold and dry.

a. "cP"

b. " mP"

c. "cT"

7. In the picture to the right what type of air mass comes from the blue region?

a. "mP"

b. "cT"

c. "cP"

8. In the picture to the right what type of air mass comes from the blue region?

a. " cP"

b. "mT"

c. "mP"

9. What type of air mass can be found in the blue region to the right?

a. "mP"

b. "mT"

c. "cP"

10. What type of air mass can be found in the blue region to the right?

a. "cT"

b. "cP"

c. "mP"

Section 2 Fronts

11. How many types of fronts are there?

a. 4

b. 3

c. 2

12. How many air masses does it take to make a front?

a. 1

b. 2

c. 0

13. The air mass to right produces cool weather following its passing?

a. Warm

b. Cold

c. Stationary

14. An air mass that is picture to the right, produces rain and is followed by warm weather.

a. Warm

b. Cold

c. Occluded

15. Air Masses that collide and produces weather over a long period of time is called a ___________ front.

a. Cold

b. Warm

c. Stationary

16. Fronts that involve three air masses as picture to the right are called ___________.

a. Stationary

b. Occluded

c. Warm

Section 3 Pressure Cells

17. How many types of pressure cells are there?

a. 1

b. 2

c. 3

18. ____________ type of pressure cell pushes bad weather away.

a. High

b. Low

c. Medium

19. _____________ type of pressure cell brings bad weather in.

a. High

b. Low

c. Medium

20. High Pressure Cell is noted by the symbol_________.

a. H

b. L

c. M

21. Low Pressure Cell is noted by the symbol ___________.

a. H

b. L

c. M

Section 4 Front Symbols

22. Which front symbol is picture to the right?

a. Cold Front

b. Warm Front

c. Stationary Front

23. Which front symbol is picture to the right?

a. Cold Front

b. Warm Front

c. Stationary Front

24. Which front symbol is picture to the right?

a. Stationary Front

b. Occluded Front

c. Cold Front

25. Which front symbol is picture to the right?

a. Cold Front

b. Stationary Front

c. Occluded Front

26. A ________________ cell shows the rising and the cooling of air.

a. Convection

b. Spectrum

c. Air

Section 5 The Atmosphere

27. _______________ is the layer of the atmosphere which contains all life.

a. Troposphere

b. Mesosphere

c. Stratosphere

28. Which layer of the atmosphere would you expect to find this animal?

a. Troposphere

b. Stratosphere

c. Mesosphere

29. Which layer of the Earth's atmosphere supports all weather?

a. Mesosphere

b. Stratosphere

c. Troposphere

30. Which layer of the Earth's atmosphere touches the ground in the picture to the right?

a. Exosphere

b. Troposphere

c. Stratosphere

31. ________________ is the layer of the atmosphere which contains the Jet Stream and the Ozone Layer.

a. Thermosphere

b. Mesosphere

c. Stratosphere

32. Ozone is called _____________.

a. O

b. O2

c. O3

33. ___________________ protects us from harmful solar "UV" rays.

a. Nitrogen

b. Ozone

c. Argon

34. Which layer of the atmosphere is this jet most likely flying in?

a. Thermosphere

b. Exosphere

c. Stratosphere

35. The ________________ is a global wind belt that moves in speeds of access of 300 mph.

a. Jet Stream

b. Slip Stream

c. Doldrums Stream

36. __________________ is the coldest layer of the atmosphere.

a. Exosphere

b. Mesosphere

c. Troposphere

37. __________________ is the hottest layer of the atmosphere.

a. Thermosphere

b. Mesosphere

c. Troposphere

38. ______________ is the shaded area in the Thermosphere and it reflects AM radio waves back to Earth.

a. Ionosphere

b. Ozone Layer

c. Exosphere

39. ________________ is the last layer of the Earth's atmosphere.

a. Ionosphere

b. Mesosphere

c. Exosphere

Section 6 Dynamics of the Atmosphere

40. __________________air rises.

a. Cold

b. Hot

c. Apex

41. In the drawing to the right, what is the percent of energy absorb by the Earth in letter (E) from the Sun?

a. 51

b. 4

c. 6

42. What is the percent of energy reflected by the clouds at point (A)?

a. 19

b. 51

c. 20

43. In the drawing to the right, what is the percent of energy absorb by the Earth's atmosphere at letter (C) from the Sun?

a. 19

b. 6

c. 4

44. What is the percent of energy reflected by the Earth's atmosphere at letter (B)?

a. 6

b. 4

c.51

Section 7 Clouds

45. Clouds are made up of water vapor and ___________.

a. Dust

b. Gravity

c. Wind

46. ______________ are clouds that are less than 100 meters from the ground.

a. Cirrus

b. Fog

c. Altostratus

47. Clouds that are thin and wispy are __________ clouds.

a. Cumulus

b. Cirrostratus

c. Cirrus

48. High clouds exist from ______________ to _______________ meters.

a. 2,000 m to 7,000 m

b. 6,000 m to 18,000 m

c. 0 m to 2,000 m

49. Middle Clouds exist from _____________ to ______________ meters.

a. 2,000 m to 7,000 m

b. 6,000 m to 18,000 m

c. 0 m to 2,000 m

50. Low clouds exist from _______________ to ______________ meters.

a. 2,000 m to 7,000 m

b. 6,000 m to 7,000 m

c. 0 m to 2,000 m

51. Identify the cloud to the right using the features you see.

a. Cirrostratus

b. Cirrocumulus

c. Altostratus

52. Identify the cloud to the right using the features you see.

a. Altostratus

b. Altocumulus

c. Stratus

53. Identify the cloud to the right using the features you see.

a. Altostratus

b. Stratocumulus

c. Cirrostratus

Section 8 History of the Earth's Atmosphere

54. ________________ and Helium made up the early atmosphere of the Earth.

a. Argon

b. Hydrogen

c. Xeon

55. _________________, volcanoes and life alter the atmosphere to its present day state.

a. Earthquakes

b. Tides

c. Lightning

56. Where did most of the hydrogen go from the early atmosphere?

a. Into the Air

b. Created the Oceans

c. Drifted into Space

57.What gas was 12 percent in the Earth's atmosphere and is now only .033 percent?

a. Hydrogen

b. Oxygen

c. Carbon Dioxide

Section 9 Composition of the Earth's Atmosphere

58. ______________ is the most abundant gas in the Earth's atmosphere.

a. Nitrogen

b. Oxygen

c. Carbon Dioxide

59. ____________ is the percent of oxygen in the Earth's atmosphere.

a. 78

b. 21

c. (.97)

60. _____________ is the gas whose percent is .97 in the Earth's atmosphere.

a. Nitrogen

b. Oxygen

c. Argon

Section 10 Cloud Symbols and Cloud Description

61. "Cc" is the symbol for _____________ cloud.

a. Cirrostratus

b. Cirrocumulus

c. Cirrus

62. "Ci" is the symbol for _____________ cloud.

a. Cirrus

b. Cirrocumulus

c. Cirrostratus

63. "Cs" is the symbol for ______________ cloud.

a. Cirrus

b. Cirrocumulus

c. Cirrostratus

64. "As" is the symbol for _____________ cloud.

a. Stratus

b. Altostratus

c. Altocumulus

65. "Ac" is the symbol for ____________ cloud.

a. Altocumulus

b. Altostratus

c. Stratus

66. _______________ is a cloud that snows or rains.

a. Nimbostratus

b. Stratus

c. Fog

67. ______________ is a cloud whose is nicknamed thunderstorm.

a. Nimbostratus

b. Cumulonimbus

c. Fog

68. "St" is the symbol for ____________ cloud.

a. Stratus

b. Fog

c. Nimbostratus

69. "Ns" is the symbol for ____________ cloud.

a. Stratus

b. Nimbostratus

c. Cumulonimbus

70. __________________ is often called a fair weather cloud.

a. Stratus

b. Cumulus

c. Nimbostratus

71. A cloud that covers the sky and is thin and wispy is called a ___________ cloud.

a. Stratus

b. Altostratus

c. Cirrostratus

72. A cloud that covers the sky and has a watery Sun effect is called a ____________ cloud.

a. Altostratus

b. Cirrostratus

c. Stratus

Congratulations you have finished the test. Please review your answers, once you have click the return hyperlink below, you may not return to the test. ( Pictures Courtesy of David Kinder)

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