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Questions and Answers
What substance is found naturally in Earth's atmosphere as a solid, liquid, and gas?
What substance is found naturally in Earth's atmosphere as a solid, liquid, and gas?
Which weather element consistently decreases with altitude in the atmosphere?
Which weather element consistently decreases with altitude in the atmosphere?
In which layers of the atmosphere does temperature always increase with height?
In which layers of the atmosphere does temperature always increase with height?
Which gases are the most abundant in Earth's atmosphere by volume?
Which gases are the most abundant in Earth's atmosphere by volume?
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Which of the following is classified as a variable gas in Earth's atmosphere?
Which of the following is classified as a variable gas in Earth's atmosphere?
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What effect does ozone (O3) in the stratosphere have on life?
What effect does ozone (O3) in the stratosphere have on life?
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Which atmospheric layer contains most of Earth's weather phenomena?
Which atmospheric layer contains most of Earth's weather phenomena?
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What is the main role of ozone in the stratosphere?
What is the main role of ozone in the stratosphere?
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What is the combined albedo of Earth and the atmosphere approximately?
What is the combined albedo of Earth and the atmosphere approximately?
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What process is described when atmospheric gases absorb outgoing infrared radiation?
What process is described when atmospheric gases absorb outgoing infrared radiation?
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What term describes the capacity to do work on matter?
What term describes the capacity to do work on matter?
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Which day has the fewest hours of daylight in the Northern Hemisphere?
Which day has the fewest hours of daylight in the Northern Hemisphere?
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What prevents polar regions from becoming progressively colder despite radiating more heat than they receive?
What prevents polar regions from becoming progressively colder despite radiating more heat than they receive?
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The lag in daily temperature refers to the time lag between which two aspects?
The lag in daily temperature refers to the time lag between which two aspects?
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What is typically the daily minimum temperature associated with?
What is typically the daily minimum temperature associated with?
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What effect does the release of latent heat have when polar ice melts?
What effect does the release of latent heat have when polar ice melts?
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Which gas is known to have doubled in concentration in the atmosphere?
Which gas is known to have doubled in concentration in the atmosphere?
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What condition does a temperature inversion describe?
What condition does a temperature inversion describe?
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Which statement is an indication of weather rather than climate?
Which statement is an indication of weather rather than climate?
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What does the environmental lapse rate describe?
What does the environmental lapse rate describe?
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What measurement is generally used to indicate the average speed and kinetic energy of air molecules?
What measurement is generally used to indicate the average speed and kinetic energy of air molecules?
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What type of heat transfer occurs during condensation?
What type of heat transfer occurs during condensation?
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What determines the type and amount of radiation an object emits?
What determines the type and amount of radiation an object emits?
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In what part of the spectrum does the sun emit its greatest intensity of radiation?
In what part of the spectrum does the sun emit its greatest intensity of radiation?
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Particles that serve as surfaces on which water vapor may condense are called _____?
Particles that serve as surfaces on which water vapor may condense are called _____?
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What type of fog develops as the result of warm, moist air moving over a cold surface?
What type of fog develops as the result of warm, moist air moving over a cold surface?
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If fog is forming in Denver, Colorado, and the wind is blowing from the east, then the fog is most likely _____?
If fog is forming in Denver, Colorado, and the wind is blowing from the east, then the fog is most likely _____?
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Radiation fog typically forms on _____.
Radiation fog typically forms on _____.
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Which of the following cloud types has significant vertical development?
Which of the following cloud types has significant vertical development?
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Which statement about the position of the noonday Sun during the vernal equinox is accurate?
Which statement about the position of the noonday Sun during the vernal equinox is accurate?
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If the air temperature remains constant, evaporating water into the air will ____ the dew point and ____ the relative humidity.
If the air temperature remains constant, evaporating water into the air will ____ the dew point and ____ the relative humidity.
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The partial pressure of water vapor is referred to as the ____.
The partial pressure of water vapor is referred to as the ____.
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What is the purpose of radiational cooling?
What is the purpose of radiational cooling?
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As the air temperature increases, the saturation vapor pressure for that air parcel will ____.
As the air temperature increases, the saturation vapor pressure for that air parcel will ____.
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For the most accurate determination of outdoor temperature, where should a thermometer be placed?
For the most accurate determination of outdoor temperature, where should a thermometer be placed?
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Dew is most likely to form on ____.
Dew is most likely to form on ____.
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Why are summers in the Southern Hemisphere generally not warmer than those in the Northern Hemisphere?
Why are summers in the Southern Hemisphere generally not warmer than those in the Northern Hemisphere?
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What condition represents ideal conditions for a strong radiation inversion?
What condition represents ideal conditions for a strong radiation inversion?
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At what time of day is the relative humidity normally at a minimum?
At what time of day is the relative humidity normally at a minimum?
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Which of the following will increase in an unsaturated rising parcel of air that stays intact?
Which of the following will increase in an unsaturated rising parcel of air that stays intact?
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What does the temperature to which air must be cooled in order to become saturated refer to?
What does the temperature to which air must be cooled in order to become saturated refer to?
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Which statement correctly compares the phases of water?
Which statement correctly compares the phases of water?
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Frost results when temperatures drop below freezing and the dew that is already on the ground ____.
Frost results when temperatures drop below freezing and the dew that is already on the ground ____.
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Which cloud type is composed of ice crystals and can cause a halo to form around the Sun or the Moon?
Which cloud type is composed of ice crystals and can cause a halo to form around the Sun or the Moon?
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What term describes the percentage of water vapor present in the air relative to that required for saturation?
What term describes the percentage of water vapor present in the air relative to that required for saturation?
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Study Notes
Exam 1 - WX201
- No electronic devices allowed during the exam.
- Name must be on both the questions and the answer sheet.
- Students must return both the questions and answer sheet to receive credit.
- Fill in the correct circle on the answer sheet in pencil.
- Northern Hemisphere references are assumed unless otherwise specified.
Atmosphere Composition and Properties
- Most abundant gases in Earth's atmosphere by volume are nitrogen and oxygen.
- Variable gas in Earth's atmosphere: water vapor.
- Only substance found naturally in the atmosphere as a solid, liquid, and gas is water.
- Temperature decreases as you ascend in the troposphere
- Temperature increases in the stratosphere and thermosphere.
- Most weather occurs in the troposphere.
Weather elements
- Pressure decreases as you ascend.
- Moisture (water content) in the atmosphere changes as altitude increases or decreases.
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Description
Test your knowledge on the composition and properties of Earth's atmosphere as well as the elements of weather. This exam covers key concepts such as gas abundance, temperature variations with altitude, and the behavior of moisture in the atmosphere. Prepare to demonstrate your understanding of the atmospheric sciences.
