Ch. 3 section 2 worksheet

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Ch. 3 section 2 worksheet

  1. 1. Copyright©McDougalLittellInc. Chapter Section 2 Climate In-Depth Resources: Unit 13 24 UNIT 1 CHAPTER 3 Name Date Guided Reading A. Finding Main Ideas Use the chart below to take notes on how each of the following affects climate. B. Seeing Patterns Use the chart below to take notes on how these factors influence climate patterns over time. C. Map and Graph Skills Use the map on page 55 of your textbook to answer the following questions. 1. Place How are the North Equatorial and South Equatorial currents in the Pacific Ocean alike and different? _____________________________________________________________________________________ 2. Movement Where does the Gulf Stream flow? _____________________________________________________________________________________ 1. wind currents 2. ocean currents 3. zones of latitude 4. altitude 5. topography Factors Affecting Climate El Niño 1. greenhouse effect 2. Influence on Climate wga-IDR0103.p23-34 1/4/2002 1:21 PM Page 24
  2. 2. Copyright©McDougalLittellInc. Chapter Section 2 Climate In-Depth Resources: Unit 13 32 UNIT 1 CHAPTER 3 Name Date Reading Comprehension Find the missing word or phrase that best completes each of the sentences below. Write your answers in the blank. 1. Four major factors influence the climate of a region: ____________________, ____________________, ____________________, and ____________________. 2. Wind and ocean currents help distribute the sun’s heat from one part of the world to another through ____________________, the transfer of heat in the atmosphere by upward motion of the air. 3. ____________________ are like rivers flowing in the ocean. Moving in large circular systems, ____________________ flows away from the equator out toward the poles, and ____________________ flows back toward the equator. They not only affect the temperature of an area, but they affect the precipitation as well. 4. Geographers divide the earth into three general zones of latitude: lower or ____________________, middle or ____________________, and high or ____________________. Lands in ____________________ zones are hot all year long. Lands in ____________________ zones are cold all year long. Lands in ____________________ zones have climates that can vary greatly from relatively hot to relatively cold. 5. Another factor in determining the climate of a region is ____________________, or distance above sea level. As the distance above sea level increases, the air temperature ____________________. 6. Topography also affects climate. For example, as moisture-laden winds move up the side of a mountain they ____________________ and lose their ability to hold ____________________. By the time the winds reach the other side of the mountain, they are dry and become ____________________ as they flow down the mountain. 7. Climate changes over time. The warming of water off the west coast of South America, known as ____________________, is a natural change in the climate. 8. Some scientists argue that global temperature increases are caused by the ____________________, the layer of gases released by the burning of coal and petroleum that traps solar energy, causing higher temperatures. Reteaching Activity wga-IDR0103.p23-34 1/4/2002 1:21 PM Page 32

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