3-1气候及其在地理环境中的作用（3-1 climate and its role in geographical environment）.doc

3-1气候及其在地理环境中的作用（3-1 climate and its role in geographical environment） 3-1 climate and its role in geographical environment (influence factors of the second class climate) Hu yaqi weinan advanced high school 1. Teaching objectives: (1) knowledge and skills: To understand the effects of climate on climate, such as solar radiation and atmospheric circulation. (2) process and method: In the course of learning, students can develop the ability to read and analyze problems and find out the reasons for their exploration. (3) emotional attitude and values: Through the analysis of the correlation of climatic factors, especially the analysis of the impacts of human activities on the climate, the dialectical materialism and the correct view of the environment are set up to establish the relations between the elements of geographical environment. 2. Teaching focus: climatic factors 3. Teaching difficulties: climatic factors 4. Teaching methods: using reading chart analysis, case analysis and students discussion and exploration methods 5. Teaching process: The landscape map of the Sahara desert and the middle and lower reaches of Chinas Yangtze river guide students to think about why they are so different. Which natural geographical factors influence this? Why are there different climates? Why does climate change often happen in the same region? What are the factors that affect the climate? Thats the question were going to explore in this video (board book) 2. The influence factors of climate Show the map of the worlds climate type, which presents the tropical rain forest climate of the equator and the polar climate of the polar climate. (students think) why is the climate difference between the equator and the poles so big? What are the main factors? Show the map of the climate type of the African continent, and inspire students to think: why is the climate of the African continent distributed in a symmetrical north-south way? Solar radiation is a major source of earths energy