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UNIT ONE: Toward Independence

Lesson 29

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FACTORS INFLUENCING CLIMATE

LEFT SIDE
PAGE 64

1
WARM-UP

Briefly describe your local climate.
What are some of the BEST and WORST features?

What factors do you think influence the climate where you live?

 
 
 
 
 
 
 
3
Watch the video
"Weather and Climate"

4
COMPREHENSION QUESTIONS
  1. What is the single most important influence on the Earth's climates?
    • the Sun
  2. Explain what the rotation of the Earth is and describe its effect on the planet.
    • the Earth's rotation is the spin of the Earth on its axis every 24 hours (23 hours 56 minutes)
    • this motion of rotation creates day and night
      • which provides varying amounts of light (solar) energy  to the parts of the Earth
  3. What is convection and how does it affect the Earth's temperature?
    • Convection is the movement caused when heated air or water rises and cool air or water sinks
    • the movement of the winds (air) and currents (water) helps distribute the Sun's heat over the Earth's surface, moderating temperatures

4
WARM-UP

What happens the higher you travel up a mountain?
assuming the air is NOT moving, air is 3.5 F (1.9 C) cooler for every 1000 feet one climbs

Why does this happen?
the air is thinner
fewer gas molecules
less ability to hold energy

5
READ Section 1-3, pages 34-36
On a SEPARATE piece of paper,
create your own notes (cornell, web, or outline).

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
8
WRAP-UP
 
Create a drawing that illustrates ONE of these three questions:
What main factors influence climate?
How does the Earth's motions around the Sun affect climate?
How does convection distribute the Sun's heat around the Earth?
 
Use COLOR.
Make it NEAT.
Include an EXPLANATION.

RIGHT SIDE
PAGE 65

 
 
 
 
 
 
 
 
 
 
 
 
 
 
2
OBJECTIVE:
  • Identify and explain the factors affecting the climates of the world.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
6
ATTACH the Handout on
Factors Influencing Climate.

7

  • Factors Influencing An Area's Climate
    • Latitude
      • distance from the Equator
      • the more direct sunlight, the warmer your temperature
      • the Equator and Tropics receive direct sunlight
      • higher latitudes receive indirect sunlight
    • Wind and Currents
      • winds are moving channels of air
      • currents are moving channels of water
      • there are cold winds (the Jet Stream)
      • there are cold water curents (the Humboldt Current) and warm water currents (the Gulf Stream)
      • convection moderates temperatures
    • Elevation
      • the distance above or below sea level
      • the higher you are the colder it becomes
      • it is possible to be on the Equator and still have cold temperatures, if you are on a mountain top (Mt. Kilimanjaro in Africa)
    • Nearness to Bodies of Water
      • moderates climate
        • ocean retains heat energy
        • delays effects of sunlight
      • provides moisture to the area