FACTORS AFFECTING CLIMATE
Learning Competency:
Explain how different factors affect the climate of an area
ACTIVITY 1
Climate and Latitude
Directions: Climate Changes with Latitude. Places located at high latitudes (far from
the equator) receive less sunlight than places at low latitudes (close to the equator).
Study the figure below and answer the following questions.
QUESTIONS:
1. Which part of the earth receives most light? (2 pts).
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2. Which parts of the earth receive less light? (2 pts).
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3. What places on earth have low temperature? Why? (3 pts).
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4. What places on earth have high temperature? Why? (3 pts).
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5. How does latitude affect climate? (3 pts).
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Additional Information: Latitude
• The further away from the Equator, the colder the climate becomes.
ACTIVITY 2A Altitude and Climate
Directions: Read an analyze the text below and answer the question that follows. Altitude
is also one of the factors affecting the climate of a certain place. Air temperature decreases
as the altitude increases. It is because the air molecules are less compacted to each other,
resulting to a less dense air. Lighter air cannot absorb much heat, making temperature
lower.
• As we go from surface of the earth to higher elevations atmospheric temperature
decreases
• Normal lapse rate (- 10C/165m height)
•Atmosphere get heated from below
Questions:
1. What happens to the temperature as you go to a higher place? Why?
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ACTIVITY 2B Different Places in the Philippines
and Their Annual Average Temperature
Directions: Study the table below and answer the following questions.
Name of place
Elevation above sea level (m)
Annual average temperature (0C)
Baguio
Laoag
Tagaytay
Manila
Tacloban
1400
20
640
10
20
16.0
27.3
22.7
27.7
29.4
1. Which place is the coldest? _____________________________
2. Which place is the hottest? ______________________________
3. Based on the data above, what is the relationship between altitude and the temperature
of a place? Why?
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Remember:
There are many factors affecting the Earth’s climate. Two of them are latitude and altitude.
Sun’s rays strike based on the latitude of a certain area. Areas near poles receives less solar
energy hence, lower temperature is absorbed while areas near equator receives much energy
hence, experience higher temperatures. Altitude also plays an important factor in the climate
of a certain place. Generally, the temperature decreases as the altitude increases. It is
because the air density in a higher altitude decrease, because the air molecules are far away
in each other.
Prepared by:
ALBERT U. CALUYA JR.
Science 9 Teacher