ERAU WX-201 Test 1 Questions and Answers Graded A+
Lapse rate - Answers The rate at which temperature decreases with an increase in altitude.
Wind direction - Answers the direction from which the wind is blowing
a variable gas in the Earth's atmosphere is - Answers water vapor
Troposhere - Answers The atmosphere layer closest to Earths surface in which we live
Air molecules are held near the earth's surface by ____. - Answers Gravity
The Temperature of the tropopause is much _____ than the temperature at Earth's surface - Answers
colder
At night, when the weather is extremely cold and dry, - Answers atmospheric pressure decreases with
increasing altitude
The only substance near Earth's surface that is found naturally in the current atmosphere as a solid,
liquid, and a gas is - Answers Water
Typically, water vapor occupies about what percentage of the air's volume near the earth's surface? -
Answers Less than 4%
In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent. -
Answers Nitrogen; Oxygen
The gas that absorbs most of the harmful ultraviolet radiation in the stratosphere is: - Answers ozone
Almost all of the earth's weather occurs in the: - Answers Troposphere
The weather element that ALWAYS decreases as we climb upward into the atmosphere is: - Answers
Pressure
There are more air molecules near Earth's surface making the air near the surface more: - Answers
Dense in comparison to higher up
Earth's atmosphere is divided into named layer based on: - Answers the vertical profile of air
temperature
The average temperature on the Earth's surface is: - Answers 59 degrees F
Much of the carbon dioxide found in earlier atmospheres is currently locked up in - Answers carbonate
rocks
The most abundant greenhouse gas in Earth's current atmosphere is - Answers water vapor (H20)
High Pressure areas are most likely associated with - Answers Fair Weather
, The word weather is defined as the - Answers condition of the atmosphere at a particular place and time
Water vapor molecules are - Answers invisible
The troposphere layer contains - Answers most of the mixing and turning of air
A geostationary satellite takes pictures of - Answers one area on Earth as it moves at the same rate as
Earth's spin
Water Vapor is best described as a - Answers gas
Solar Radiation reaches Earth's surface as - Answers ultraviolet, visible, and infrared radiation
The proper order from shortest to longest wavelength is: - Answers ultraviolet, visible, and infrared
What is released as sensible heat during the formation of clouds? - Answers Latent Heat
The processes of condensation and freezing - Answers Both release sensible heat into the environment
Without the atmospheric greenhouse effect, the average surface temperature would be: - Answers
lower than at present
what determines the type of (wavelength) and amount of radiation an object emits? - Answers
Temperature
The sun emits its greatest intensity of radiation in the - Answers visible portion of the spectrum
The horizontal transport of any atmospheric property by the wind is called - Answers advection
which gases are primarily responsible for the atmospheric greenhouse effect in the Earth's atmosphere?
- Answers Water vapor & carbon dioxide
Sunlight that bounces off a surface is said to be ____ from the surface. - Answers reflected
The heat energy released when water vapor changes to a liquid is called: - Answers Latent heat of
condensation
The atmospheric greenhouse effect is produced mainly by the: - Answers absorption and re-emission of
infrared radiation by the atmosphere
The amount of heat energy required to bring about a small change in temperature is called the: -
Answers heat capacity
Suppose that last night was clear and calm, tonight's forecast indicates low clouds will be present, from
this you would conclude that tonight's minimum temperature will be - Answers higher than last night's
minimum temperature
The temperature of a rising air parcel: - Answers always cools due to expansion
Lapse rate - Answers The rate at which temperature decreases with an increase in altitude.
Wind direction - Answers the direction from which the wind is blowing
a variable gas in the Earth's atmosphere is - Answers water vapor
Troposhere - Answers The atmosphere layer closest to Earths surface in which we live
Air molecules are held near the earth's surface by ____. - Answers Gravity
The Temperature of the tropopause is much _____ than the temperature at Earth's surface - Answers
colder
At night, when the weather is extremely cold and dry, - Answers atmospheric pressure decreases with
increasing altitude
The only substance near Earth's surface that is found naturally in the current atmosphere as a solid,
liquid, and a gas is - Answers Water
Typically, water vapor occupies about what percentage of the air's volume near the earth's surface? -
Answers Less than 4%
In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent. -
Answers Nitrogen; Oxygen
The gas that absorbs most of the harmful ultraviolet radiation in the stratosphere is: - Answers ozone
Almost all of the earth's weather occurs in the: - Answers Troposphere
The weather element that ALWAYS decreases as we climb upward into the atmosphere is: - Answers
Pressure
There are more air molecules near Earth's surface making the air near the surface more: - Answers
Dense in comparison to higher up
Earth's atmosphere is divided into named layer based on: - Answers the vertical profile of air
temperature
The average temperature on the Earth's surface is: - Answers 59 degrees F
Much of the carbon dioxide found in earlier atmospheres is currently locked up in - Answers carbonate
rocks
The most abundant greenhouse gas in Earth's current atmosphere is - Answers water vapor (H20)
High Pressure areas are most likely associated with - Answers Fair Weather
, The word weather is defined as the - Answers condition of the atmosphere at a particular place and time
Water vapor molecules are - Answers invisible
The troposphere layer contains - Answers most of the mixing and turning of air
A geostationary satellite takes pictures of - Answers one area on Earth as it moves at the same rate as
Earth's spin
Water Vapor is best described as a - Answers gas
Solar Radiation reaches Earth's surface as - Answers ultraviolet, visible, and infrared radiation
The proper order from shortest to longest wavelength is: - Answers ultraviolet, visible, and infrared
What is released as sensible heat during the formation of clouds? - Answers Latent Heat
The processes of condensation and freezing - Answers Both release sensible heat into the environment
Without the atmospheric greenhouse effect, the average surface temperature would be: - Answers
lower than at present
what determines the type of (wavelength) and amount of radiation an object emits? - Answers
Temperature
The sun emits its greatest intensity of radiation in the - Answers visible portion of the spectrum
The horizontal transport of any atmospheric property by the wind is called - Answers advection
which gases are primarily responsible for the atmospheric greenhouse effect in the Earth's atmosphere?
- Answers Water vapor & carbon dioxide
Sunlight that bounces off a surface is said to be ____ from the surface. - Answers reflected
The heat energy released when water vapor changes to a liquid is called: - Answers Latent heat of
condensation
The atmospheric greenhouse effect is produced mainly by the: - Answers absorption and re-emission of
infrared radiation by the atmosphere
The amount of heat energy required to bring about a small change in temperature is called the: -
Answers heat capacity
Suppose that last night was clear and calm, tonight's forecast indicates low clouds will be present, from
this you would conclude that tonight's minimum temperature will be - Answers higher than last night's
minimum temperature
The temperature of a rising air parcel: - Answers always cools due to expansion
