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Chapter 17

Chapter Test

Chapter Test

Read the questions carefully and choose the best answer.

This activity contains 28 questions.

	Carbon dioxide is the only substance that exists in the atmosphere as a solid, liquid, and gas.    True  False

	Freezing releases 80 calories per gram to the surrounding environment as   latent heat of solidification sublimation latent heat of fusion latent heat of vaporization latent heat of saturation

	If heat energy is added to a substance and it does not cause a change in temperature, the heat energy is called   condensation latent heat water vapor buoyancy a calorie

	The conversion of a vapor directly to solid is best described as   deposition condensation latent energy freezing vaporization

	The process of condensation releases 540-600 calories to the surrounding air.    True  False

	At the dew point temperature, the air is both saturated and has a 100% relative humidity.    True  False

	A hair hygrometer measures the humidity using electrical currents.    True  False

	The water vapor capacity of air is temperature-dependent.    True  False

	If the amount of air stays the same at 1 kilogram, and the temperature decreases, what is most likely for relative humidity?   increases decreases stays the same

	The ratio of the mass of water vapor to the mass of dry air within a unit or parcel of air is known as   hygrometer mixing ratio vapor pressure relative humidity saturated air

	Air that has reached its water vapor capacity is said to be   unstable dry soaked saturated stable

	A parcel of air equals three cubic meters of air.    True  False

	Stable air resists vertical movement.    True  False

	Which of the following is not a necessary condition for condensation?   dew point temperature reached surfaces water vapor saturation high altitude

	The process where cool air acts as a barrier over which warmer, less dense air rises is called   orographic lifting frontal wedging subduction convergence divergence

	When the environmental lapse rate is greater than the dry adiabatic rate, air is defined by the term   absolute instability absolute stability stable conditional instability none of the above

	When vertically moving air expands or contracts it will experience ____________ temperature changes.   external adiabatic volume unnecessary radiation

	A towering cloud that may produce rain showers or a thunderstorm is called   cumulus cumulonimbus cirrus stratus altostratus

	Correctly match the description to the form of cloud. A matching question presents 3 answer choices and 3 items. The answer choices are lettered A through C. The items are numbered 19.1 through 19.3. 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. cirrus stratus cumulus 19.1 sheets or layers covering most of the sky [hint]  A B C 19.2 wispy fibers with a feathery appearance [hint]  A B C 19.3 puffy globular cloud masses [hint]  A B C

	Fog is a cloud with its base at or very near the ground.    True  False

	Hygroscopic particles repel water and prevent clouds from forming.    True  False

	Visible aggregates of minute droplets of water or tiny crystals of ice formed within the atmosphere are called   cyclones frost clouds rain halos

	Which clouds are best described as sheets or layers that cover much or all of the sky?   cirrus cumulus altocumulus stratus cumulonimbus

	A trace of precipitation is reported if the amount of rain is less than   .01 centimeters .25 centimeters .025 centimeters .1 centimeters .001 centimeters

	Precipitation and large cloud droplets can form by   collision and coalescence the Bergeron process condensation alone a and b all of the above

	Sleet is defined as a cloud with its base at or very near the ground.    True  False

	If the surface temperature is greater than 4 degrees Celsius, snowflakes will probably _______ near the surface.   turn to rain accumulate get larger get heavier none of the above

	The collision-coalescence process is most important to explain precipitation from   tropical warm clouds mid-latitude clouds snow clouds cirrus clouds supercooled clouds

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