Show knowledge of the air's composition, including constant and variable elements, and their functions.
Tell how the following are formed: moisture, fog, hail, rain, and snow.
Describe electrical and optical phenomena in the air, such as rainbows, mirages, looming, halos, lighting and thunder. Mention any you have seen.
Describe the use and how to read a barometer, thermometer, anemometer, hygrometer, and rain gauge.
Make a simple weather vane.
Demonstrate familiarity with storm/weather signals.
Do any one of the following:
Write a simple statement on the climate of the Philippines.
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.
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.
Name some places where the danger from lightning is high during severe thunderstorms, and some places where the danger is low.
Show a knowledge of the causes and usual origins and trajectories or paths of typhoons in the Philippines.
