Chapter #1
Air temperatures in the thermosphere are higher than at the ground because sunlight energy is absorbed and shared by relatively few atoms and molecules. Question options: 1) True 2) False
1) True
Most of the water vapor in the atmosphere is thought to have come from the earth's hot interior. Question options: 1) True 2) False
1) True
Sea-level pressure is determined by both the amount of air in the atmosphere and the strength of the earth's gravity. Question options: 1) True 2) False
1) True
In the atmosphere, tiny solid or liquid suspended particles of various composition are called Question options: 1) aerosols. 2) carcinogens. 3) greenhouse gases. 4) fog.
1) aerosols.
The earth's atmosphere is divided into layers based on changes in the vertical profile of: Question options: 1) air temperature. 2) air pressure. 3) air density. 4) wind speed.
1) air temperature.
Which of the following is most likely associated with fair weather? Question options: 1) high pressure area 2) low pressure area 3) a cold front 4) a warm front
1) high pressure area
The earth's first atmosphere was composed primarily of Question options: 1) carbon dioxide and water vapor. 2) hydrogen and helium. 3) oxygen and water vapor. 4) argon and nitrogen.
2) hydrogen and helium.
At jet aircraft cruising altitude (33,000 ft. or about 10 km) you are: Question options: 1) near the top of the stratosphere. 2) near the top of the troposphere. 3) above the ozone layer. 4) in the ionosphere.
2) near the top of the troposphere.
Which of the following gases could be found in the atmosphere with a concentration greater than 1%? Question options: 1) hydrogen (H) 2) water vapor (H2O) 3) carbon dioxide (CO2) 4) ozone (O3)
2) water vapor (H2O)
Much of Tibet lies at altitudes over 18,000 feet where the pressure is about 500 mb. At such altitudes, the Tibetans live above roughly Question options: 1) 10% of the air molecules in the atmosphere. 2) 25% of the air molecules in the atmosphere. 3) 50% of the air molecules in the atmosphere. 4) 75% of the air molecules in the atmosphere.
3) 50% of the air molecules in the atmosphere.
______ has a major effect on radio communications. Question options: 1) Air pressure 2) The ozone layer 3) The ionosphere 4) Air density
3) The ionosphere
The most abundant gases in the earth's atmosphere by volume are Question options: 1) carbon dioxide and nitrogen. 2) oxygen and water vapor. 3) nitrogen and oxygen. 4) oxygen and helium. 5) oxygen and ozone.
3) nitrogen and oxygen.
The letters H and L on a surface weather map refer to high and low: Question options: 1) temperature. 2) altitude. 3) pressure. 4) latitude.
3) pressure.
The word "weather" is defined as Question options: 1) the average of the weather elements. 2) the climate of a region. 3) the condition of the atmosphere at a particular time and place. 4) any type of falling precipitation.
3) the condition of the atmosphere at a particular time and place.
The gas that shows the most variation in concentration from place to place and from time to time in the lower atmosphere. Question options: 1) ozone (O3) 2) carbon dioxide (CO2) 3) water vapor (H2O) 4) methane (CH4) 5) argon (Ar)
3) water vapor (H2O)
Breathing nitrogen gas is __________ to your health. Question options: 1) a little harmful 2) harmful 3) very harmful 4) not harmful
4) not harmful
About 97% of the in the atmosphere is found in the stratosphere where it absorbs the sun's ultraviolet rays. Question options: 1) water vapor 2) nitrous oxide 3) carbon dioxide 4) ozone 5) chlorofluorocarbons
4) ozone
SLP stands for standard Sea Level Pressure. SLP is equivalent to 1 atm = _______ mb
Answer: 1013.25
SLP stands for standard for Sea Level Pressure. SLP is equivalent to 1 atm = _______ inHg
Answer: 29.92
The average lapse rate in the troposphere is ________ °C/km.
Answer: 6.5
