Name ____________________________Date_____________________Hour___ _____ Earth Science: WW2010 University of Illinois – Packet 1 To start each module always log on to: ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/home.rxml After logging on to the site above, click on the “Clouds and Precipitation” module. You will have 2 days of lab time to answer questions 27-65. MAKE GOOD USE OF YOUR TIME! The answers are in order. Click on either one of these arrows at the bottom of the page to go to the next page. Once you have completed questions 27-65 you can work on the extra credit module “Light and Optics”. II. Clouds and Precipitation 27. What is a cloud? ___________________________________________________ ____________________________________________________________ ___________ ____________________________________________________________ ___________ A. Development 28. Give an example of a solid form of water in the atmosphere. __________ 29. Give an example of a liquid form of water in the atmosphere __________ 30. Give an example of a gaseous form of water in the atmosphere_________ 31. What is a cloud made of? _______________________________________ 32. What is a common source of moisture for the United States? _______
Transcript
Name ____________________________Date_____________________Hour________
Earth Science: WW2010 University of Illinois – Packet 1
To start each module always log on to:
ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/home.rxml
After logging on to the site above, click on the “Clouds and Precipitation” module. You will have 2 days of lab time to answer questions 27-65. MAKE GOOD USE OF YOUR TIME! The answers are in order. Click on either one of these arrows at the bottom of the page to go to the next page. Once you have completed questions 27-65 you can work on the extra credit module “Light and Optics”.
II. Clouds and Precipitation 27. What is a cloud? _________________________________________________________________________________________________________________________________________________________________________________________________
A. Development28. Give an example of a solid form of water in the atmosphere. __________29. Give an example of a liquid form of water in the atmosphere __________30. Give an example of a gaseous form of water in the atmosphere_________
31. What is a cloud made of? _______________________________________
32. What is a common source of moisture for the United States? _____________________________________________________________________________________________________________________________________
33. What is “relative humidity”?________________________________________________________________________________________________________________________________________________________________
34. What is the formula or “ratio” for relative humidity?
RH = -----------------------------
35. Using the table, what would be the RH if the actual vapor pressure was 13.3 mb with the air temperature at 16o C? _________ (label your answer)
36. Using the table, what would be the RH if the actual vapor pressure was 29.6 mb with the air temperature at 75o F? __________(label your answer)
37. Looking at the table, what happens to the ability of the air to hold water
vapor as the temperature goes up? _________________________________38. What is the relationship between air temperature and the air’s ability to hold water vapor? ____________________________________________________________________________________________________________________________________________________________________________
39. What happens to air that rises through the atmosphere? (use terms such as temperature, relative humidity, condensation, etc.) ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
40. What are four ways air can rise in the atmosphere to form clouds? ______________________________________________________________________________________________________________________________
41. Convection is a big word simply meaning _________________________________________________________________________________________
42. If there is cold air aloft or cold air higher in the atmosphere then continued _______________ growth is likely which will develop a _________cloud.
43. Stable air is associated with ______ weather cumulous. Unstable air is associated with _____________________ clouds.
44. What is convergence? ______________________________________________________________________________________________________________________________________________________________________
45. Draw a simple picture of convergence, be sure to label your drawing.
46. Orographic clouds are clouds that form due to the ________________ of earth.
47. In our Climate unit we learned that regions on the __________________ side of the mountain receive the majority of the precipitation.
48. Frontal boundaries separate __________________________________.
49. What are the 2 fronts mentioned? Describe both fronts using terms such as rising air, condenses, slope, types of rain or storms they produce.
a. _________________ -- ___________________________________________________________________________________________________________________________________________________________________
Draw a simple diagram of this type of front.
b. ________________ -- ____________________________________________________________________________________________________________________________________________________________________
Draw a simple diagram of this type of front.
50. The form of precipitation that hits the ground depends upon _____________________________. If it is _________ then the temperaturemust be above 32o F. If it is __________ then the temperature must be below 32o F.
B. Cloud Types51. Fill in the blanks.
Latin Root Translation Example ____________ heap fair weather cumulus
stratus _________ altostratus
cirrus curl of hair __________
________ rain cumulonimbus
Describe the following clouds and give 2 examples of each kind.52. High-Level Clouds - _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
55. Vertically Developed Clouds - _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
56. Other Cloud Types - ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
C. Precipitation57. What happens inside a cloud to cause precipitation to fall to the ground?______________________________________________________________________________________________________________________________
1. Rain and Hail58. What other form of precipitation does rain start as and how does it end up as rain? _____________________________________________
59. Explain how a hail stone can become bigger and bigger inside of a cloud._____________________________________________________________________________________________________________________________________________________________________________________________
_______________________________________________________________2. Freezing Rain60. Describe the conditions needed for freezing rain to occur. (use
terms like supercooled, snow, warm layer, cold layer, etc.)__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Draw a simple diagram of the conditions for freezing rain.
61. What are some impacts on the environment due to freezing rain?____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
(Continue clicking on the arrow at the bottom of the page until you reach “conditions” to answer question 62)
62. Describe the most common scenario for freezing rain. (use terms like mid-latitude cyclone, condenses, rising air, low pressure
center, etc.)__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Draw a simple diagram showing where the regions of freezing rain.
3. Sleet63. Where are areas of sleet usually found in comparison to freezing
Draw a simple diagram showing the band of sleet that is associated with a low pressure center.
64. What is the difference between freezing rain and sleet?____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
4. Snow65. Compare snow, sleet, and freezing rain. What makes them
Name ____________________________Date___________________Hour_________
Earth Science: WW2010 University of Illinois – Packet 2
To start each module always log on to:
ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/home.rxml
After logging on to the site above, click on the “Forces and Winds” module. You will have 2 days of lab time to answer questions 66-90. MAKE GOOD USE OF YOUR TIME! The answers are in order. Click on either one of these arrows at the bottom of the page to go to the next page. Once you have completed questions 66-90 you can work on the extra credit module “Light and Optics”.
III. Forces and Winds 66. What is pressure? _________________________________________________________________________________________________________________________________________________________________________
A. Pressure67. Draw a diagram off to the right, of a column of air.
68. What happens to the column of air when pressure increases?______________________________________________________________________________________________________________________________
69. What happens to the column of air when pressure decreases?______________________________________________________________________________________________________________________________
70. Atmospheric pressure is measured with what instrument? ____________
71. The average air pressure at sea level is 14.7 pounds per square inch (lbs/in2). On television, pressure is given in __________________(_____).Average air pressure at sea level given in this unit of measurement is _______
72. The unit of measure found on weather maps and used by meteorologists is ______________________(____).
Average air pressure at sea level given in this unit of measurement is _______
73. Which unit of measurement is in English units and which is in Metric units?______________________________________________________________________________________________________________________________
74. The number of air molecules _____________ with height and so _______also decreases with height.
75. Under what altitude does half of the molecules in the atmosphere exist? _________. What would that level be in millibars? _____________
76. Why does the air pressure drop so quickly close to the earth and then at a slower rate further from the earth?
77. Lines on a weather map that connect points of equal pressure are called_______________.
78. A new Isobar is drawn every _____ millibars (mbs).
The 1032 isobar has been drawn for you. Draw the 1028, 1024, 1020, 1016, 1012, and 1008 mb isobars for the following pressure reports.
79. What is an isobaric surface? ___________________________________________________________________________________________________________________________________________________________________
Draw a simple diagram to the rightshowing different isobaric surfacesin the atmosphere.
1032
1032
80. Using the table above approximately how high above the ground is the 500 mb pressure surface? ___________ ft or _____________ m
81. The 5 atmospheric variables or conditions that are usually kept tracked of are _______________, _________________, __________________, _______________, and __________________.
82. Which is more dense and compacted together, warm air or cold air?____
83. Explain how a given pressure surface can have a different height at different locations. (use a diagram and word explanation)
84. Word Association with a HIGH pressure center.Letter = _______ Color = ___________Another name = _______________________Winds flow = ____________________ into or out of a HIGH pressure center.
(scribble out the wrong answer above)Movement of air = sinking or rising
(scribble out the wrong answer above)Kind of weather associated with a HIGH pressure center = ____________
85. Word Association with a LOW pressure center.Letter = _______ Color = ___________Another name = _______________________Winds flow = ____________________ into or out of a LOW pressure center.
(scribble out the wrong answer above)Movement of air = sinking or rising
(scribble out the wrong answer above)Kind of weather associated with a LOW pressure center = ____________
B. Pressure Gradient86. What is “pressure gradient”? _______________________________________________________________________________________________________________________________________________________________
87. A pressure gradient force causes the air to move from a __________ pressure center to a ____________ pressure center.
C. Coriolis Force88. The winds deflect or curve to the right in the Northern Hemisphere due to the ______________________ _________________.
89. This force increases as the winds become _______________ and as you get closer to the earth’s _____________.
Geostrophic Winds90. Winds that flow parallel to the isobars because of the balance between the pressure gradient force and the coriolis force are called _______________ winds.
Draw a simple diagram of this type of wind.
Name ____________________________Date_______________Hour_______
Earth Science: WW2010 University of Illinois – Packet 3
To start each module always log on to:
ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/home.rxml
After logging on to the site above, click on the “Air Masses and Fronts” module. You will have 2 days of lab time to answer questions 91-111. MAKE GOOD USE OF YOUR TIME! The answers are in order. Click on either one of these arrows at the bottom of the page to go to the next page. Once you have completed questions 91-111 you can work on the extra credit module “Light and Optics”.
IV. Air Masses and Fronts A. Air Masses91. What is an air mass? _________________________________________________________________________________________________________________________________________________________________________
92. Give an example of two air masses that affect our weather in the United States. (include there names, symbol, where they originated from, what are their characteristics, etc.)____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
93. A cold air mass moving south out of Canada would have cold, dry, dense air creating a pressure center called an ____________ ____________.
94. Contrast, or explain how the maritime Tropical (mT) air mass is different than the continental Polar (cP) air mass.(use terms like temperature, moisture, etc)____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
B. Fronts95. Name the 4 common fronts and a brief description.
A. ______________ -
B. ______________ -
C. ______________ -
D. ______________ -
96. Discuss a stationary front. (include symbol, what kind of weather is associated with it, commonly observed things, etc.)__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Draw the symbol to the right ------>
97. Discuss a cold front. (include symbol, what kind of weather is associated with it, commonly observed things, etc.)__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
98. Sometimes temperatures will change drastically from the northwest side of the cold front to the southeast side of the cold front. What other 2 indicators can be used to identify the location of a cold front?
A. ______________________B. ______________________
99. What is “dew point temperature”? __________________________ ______________________________________________________________________________________________________________________
100. Draw a diagram of a cyclone and cold front labeling the fronts and the air masses.
View the animation of “Precipitation Along a Cold Front” with the table below for better understanding of what happens as a Cold Front passes over you.
Common Characteristics Associated with a Cold Front
101. Discuss a warm front. (include symbol, what kind of weather is associated with it, commonly observed things, etc.)__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Common Characteristics Associated with a Warm Front
102. Again, like a cold front, what are 2 other indicators other than temperature that signal the passing of warm front?
A. ____________________B. ____________________
View the animation of “Precipitation Along a Warm Front” with the table above for better understanding of what happens as a Warm Front passes over you.
Go back to the home site and click on “Weather Forecasting”
V. Weather Forecasting A. Methods103. What is the “Persistence Method” of forecasting? _____________________________________________________________________________________________________________________________________________
104. When and where does the Persistence Method work well? ______________________________________________________________________________________________________________________________________
105. What is the “Trends Method” of forecasting? _________________________________________________________________________________________________________________________________________________
106. When and where does the Trends Method work well? __________________________________________________________________________________________________________________________________________
107. What is the “Analog Method” of forecasting? ________________________________________________________________________________________________________________________________________________
108. Which method uses computers to forecast the weather? ___________
B. Surface Features109. Look just under the title of each of the following and give the short description written there.
2. High and Low Pressure CentersForecast Tip 1 - _________________________________________________________________________________________________________Forecast Tip 2 - _________________________________________________________________________________________________________
3. Effects of Temperature AdvectionForecast Tip 1 - _________________________________________________________________________________________________________
4. Effects of Snow CoverForecast Tip 1 - _________________________________________________________________________________________________________
5. Effects of WindForecast Tip 1 - _________________________________________________________________________________________________________
D. Precipitation111. Give the forecast tips for precipitation:
1. Effects of Frontal LiftingForecast Tip 1 - _________________________________________________________________________________________________________
2. Effects of Moisture112. The availability of moisture is indicated on a surface map
through __ __ __ __ __ __ __ __ temperatures.
3. Rain or Snow?Forecast Tip 1 - _________________________________________________________________________________________________________
Do Section 24.1, 24.2, and 24.3 Worksheets. Plus the review questions on pages 483, 488, and 493 in your textbook. Use the space below to answer the questions. Be sure to write out the questions or include the question in your answer.________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Do Section 23.1, 23.2, and 23.3 Worksheets. Plus the review questions on pages 462, 468, and 473 in your textbook. Use the space below to answer the questions. Be sure to write out the questions or include the question in your answer.________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Do Section 25.1, 25.2, 25.3, and 25.4 Worksheets. Plus the review questions on pages 501, 508, 511, and 517 in your textbook. Use the space below to answer the questions. Be sure to write out the questions or include the question in your answer.________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
