Unformatted text preview: ATMO 1300
Fall 2009 Classroom Assessment Exercise
9/16/09 Use the ﬁgures below to answer the following questions. The ﬁgures represent different
solar angles. The two lines drawn from the sun represent the sun’s rays or energy
striking the earth’s surface at Lubbock. This part of the exercise is based on the fact that
the solar angle at one particular location, like Lubbock, changes during the year due to
the revolution of the Earth around the sun. Grand Figure PI Figure 13
Game 7.: D<o z; 1. Which ﬁgure depicts the higher solar angle? ﬁg W0 A 2. Wthhﬁélﬁ shows greater beam spreading and beam depletion at Lubbock? 3. Which ﬁgure better represents the solar angle at Lubbock on June 21“?
ﬂgm v a, A
4. Which ﬁgure better represents the solar angle at Lubbock on December 22"“?
ago v c: g
5. gﬂﬁfate is the intensity of insolaiion greater at Lubbock, December 22 or Jam: 2! ~ Summer Solstice ...
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- Fall '08