1 A) Aviation B) Conduction C) Radiation D) Convection 2 A) Conduction, temperature B) Temperature, heat C) Heat, dew point D) Heat, temperature 3 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078746361/561682/64_altitude_ca_110c.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (18.0K)</a>]]>
A) 0 B) 233 C) -40 D) 40 4 A) increases, increasing B) remains constant, changing C) decreases, increasing D) decreases, decreasing 5 A) the altitude of the cloud formation and its shape B) their shape and density C) the altitude at which they form D) their shape only 6 A) orographic lifters B) pollution C) liquid molecules D) condensation nuclei 7 A) Warm moist air is forced to rise over a mountain. B) Warm air is forced into a convection current. C) Two air masses of different temperatures meet. D) All of these answers are correct. 8 A) thermosphere B) exosphere C) stratosphere D) troposphere 9 A) the rain cycle B) the water cycle C) convection currents D) evaporation 10 A) relative humidity B) humidity C) the dew point D) relative convection 11 A) Cold air rises, and warm air sinks. B) Warm air rises, and cold air sinks. C) A layer of cooler air is laid on top of a relatively cool layer of air. D) A layer of warmer air is laid on top of a cool layer of air. 12 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078746361/561682/68_sun_ss_110c.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (42.0K)</a>]]> A) conduction B) condensation C) radiation D) convection 13 A) 50 B) 25 C) 6 D) 14 14 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078746361/561682/71_2_air_ss_111c.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (11.0K)</a>]]> A) nimbus B) cumulus C) stratus D) cirrus 15 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078746361/561682/64_altitude_ca_110c.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (18.0K)</a>]]> A) stratosphere B) thermosphere C) mesosphere D) troposphere 16 A) argon B) carbon dioxide C) water vapor D) ozone 17 A) It is the source of clouds, rain, and snow. B) It changes with the seasons. C) It helps regulate the amount of energy the atmosphere absorbs. D) It helps to block harmful UV rays from the Sun. 18 A) Air is cooler when it is farther from the heat source. B) Clouds block radiation from the Sun. C) Condensation of water vapor uses thermal energy. D) Convection currents disperse thermal energy. 19 A) extraterrestrial B) organic C) dust D) clay 20 A) rock B) water C) carbon D) nitrogen
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