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Chapter 4

Concept Quiz 5

Concept Quiz 5

This quiz covers key concepts 9 and 10 from Chapter 4. Answer the questions by darkening in the circle next to the correct answer. When completed with the quiz, click on "submit answers for grading" at the bottom of the page.

This activity contains 11 questions.

	A change in the stability of air near the surface is frequently associated with a change in the __________.   wind direction atmospheric pressure particulate matter heating or cooling of the surface wind speed

	Which of the following will produce unstable atmospheric conditions?   warm surface air and cool air aloft cool surface air and warm air aloft warm surface air and warm air aloft cool surface air and cool air aloft none of the above

	The infiltration of surrounding air into a column of vertically moving air is a process called __________.   adiabatic cooling sublimation cyclogenesis inversion entrainment

	Which of the following prevails when the environmental lapse rate is less than the wet adiabatic rate?   absolute instability partial stability conditional instability absolute stability conditional instability

	Which of the following does NOT enhance the instability of air?   radiation cooling from cloud tops heating an air mass from below as it passes over a warm surface convergence radiation cooling of Earth's surface after sunset intense solar heating in the lowermost atmosphere

	The change in the air's temperature with altitude is called the environmental lapse rate.    True  False

	In general, temperature inversions produce unstable atmospheric conditions.    True  False

	The stability of air is determined by measuring the temperature of the atmosphere at various heights (environmental lapse rate).    True  False

	In general, subsidence stabilizes the air.    True  False

	Stable air resists vertical movement.    True  False

	Match the term on the left with the description on the right. A matching question presents 3 answer choices and 3 items. The answer choices are lettered A through C. The items are numbered 11.1 through 11.3. Screen readers will read the answer choices first. Then each item will be presented along with a select menu for choosing an answer choice. Using the pull-down menus, match each item in the left column to the corresponding item in the right column. when moist air has an environmental lapse rate between the dry and wet adiabatic rates when the environmental lapse rate is greater than the dry adiabatic rate when the environmental lapse rate is less than the wet adiabatic rate 11.1 absolute stability   A B C 11.2 absolute instability   A B C 11.3 conditional instability   A B C

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