Sun
118 of 129
December 21
B
September 22
Diagram 4. Path of the Earth as it Revolves Around the Sun
8. Label the important parallels of latitude and North and South Poles from Diagram 3 for each position of the Earth
in Diagram 4.
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9. Answer the following questions about the June Solstice.
a.
What season is the Northern Hemisphere experiencing?
b. What season is the Southern Hemisphere experiencing?
C. Label these seasons on the Diagram.
d. The Sun’s rays are directly overhead at the ( Tropic of Cancer / Tropic of Capricorn); therefore this
latitude receives the (most / least / same) amount of insolation compared to other latitudes.
10. We have already studied the December Solstice in #7. Label the winter and summer seasons in the correct
hemispheres for this solstice.
11. If you are in the Northern Hemisphere:
a. Which equinox represents Spring?
b. Which equinox represents Fall/Autumn?
C.
Label these on the diagram.
d. Will this be true of the Southern Hemisphere, as well? Explain.
e. During the equinoxes, what latitude are the Sun’s rays directly overhead, and therefore receives the
most insolation?
f. During the equinoxes, what is the relationship between the North and South Poles and the Circle of
Illumination?
g.
Based on your previous answer, describe the length on daylight on everywhere on Earth during both
equinoxes.
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Lab 4: Relative Humidity, Dew Point, & Clouds
Modified from:
Tarbuck, E. J., Lutgens, F. K., & Pinzke, K. G. (2012). Metrology. In Applications and Investigations in Earth Science (7th ed., pp. 183-224). Boston: Pearson
Education, Inc.
Part 1: Water Vapor Content
Background: Any measurement of water vapor in the air is referred to as humidity and the amount of water vapor
required for saturation is directly
relate
The mivine ratine the mass of water vapor in the air
compared to the remaining mass of dry air. Table 1 below presents the mixing ratios for saturated air at different