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Atmospheric Composition
Merit Badge Worksheet

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  1. Show that you know the composition of the air, referring to both constant and variable elements of the air, and what functions each performs.

  2. Tell how the following are formed: moisture, fog, hail, rain, and snow.

  3. Explain the electrical and optical phenomena in the air - such as rainbows, mirages, looming, halos, lighting and thunder. Describe as many of the above as you have seen.

  4. Describe the use and how to read a barometer, thermometer, anemometer, hygrometer, and rain gauge. Make a simple weather vane. Be conversant with storm/weather signals.

  5. Do any one of the following:
    1. Write a simple statement on the climate of the Philippines.
    2. Tell the value of weather prediction. Write a brief account of the Philippine Atmospheric Geophysical and Astronomical Services Administration (PAGASA) - stating what daily, weekly, or monthly publications are prepared and distributed by it. Be able to interpret the chart and graphs contained in these publication.
    3. Keep a daily record for a month of the following: dew or fog in the morning; at a specific hour each day, the direction and force of the wind; the temperature and kinds of clouds (if any) in the sky.

  6. Name some places where, during severe thunderstorms, the danger from lighting is great; some places, where the danger is small.

  7. Show a knowledge of the causes and usual origins and trajectories or paths of typhoons in the Philippines.


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Since August 4, 1999 - Fourth Edition September 30, 2003
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