EVPP 110 Lecture - Learning Guide 15 - Atmopshere Composition and Structure - Fall 2010

EVPP 110 Lecture - Learning Guide 15 - Atmopshere Composition and Structure - Fall 2010

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EVPP 110 Lecture Learning Guide #15 Fall 2010 Physical Environments: Atmosphere Composition and Structure Do any other planets in our solar system have an atmosphere like earth’s? In general, how does our atmosphere contribute to life as we know it? What three main roles of our atmosphere make it a central player in the physical geography of the earth? Are the major constituents of the atmosphere liquid, solid or gaseous? What two gases make up 99% of the total volume of the atmosphere? Do the relative percentages of nitrogen and oxygen gas in the atmosphere change with increases in altitude? How do water vapor concentrations in the atmosphere vary vertically and horizontally? What other gases make up the remaining 1% volume of the atmosphere? What are the four atmospheric characteristics that vary with changes in altitude? How is air density defined? In which part of the atmosphere is air density greatest? How is air pressure (or atmospheric pressure) defined? What is the average, or standard, atmospheric pressure at sea level in mb? If more air molecules were packed into a given column of air, would the air density and pressure in that column of air increase or decrease? Does the number of air molecules present in the atmosphere increase or decrease as altitude increases? Does air density increase or decrease with increased altitude? 1
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EVPP 110 Lecture Learning Guide #15 Fall 2010 Does atmospheric pressure increase or decrease with increased altitude? Does air density and pressure decrease with altitude at a constant rate?
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EVPP 110 Lecture - Learning Guide 15 - Atmopshere Composition and Structure - Fall 2010

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