英语教案与教学反思

1、英语教案与教学反思 teaching planunit4 global warmingdesigned by fu qinlingteaching content: unit4 global warming warming-up pre-reading and readingteaching aims:1. let students learn something about global warming, for example, the cause and the effect of global warming .2. the knowledge about greenhouse ,gr

2、eenhouse gases and greenhouse effect.3. develop the students reading skills and reading abilities.teaching important points:1. improve the students reading ability.2. let the students understand the passage better.teaching difficult points:1. how to make the students understand the reading material

3、better .2. how to make the students learn about global warming and the effects of global warming.teaching methods:1. show some pictures about greenhouse to the students and let students learn and conclude the meaning of greenhouse by themselves.from greenhouse ,develop the students guessing ability

4、,let them guess the meaning of greenhouse gases and greenhouse effect.2. watch a tv video about “the funeral of venice”.3. discussion to help the students know more about the greenhouse effect and global warming.4. fast-reading and careful reading to understand the passage exactly.teaching aids:a co

5、mputer and a projector.teaching procedures:step1 greetings1. greet the students.step2 warming-upshow some pictures about greenhouse to the students and then ask several questions.1. what a greenhouse is made of?2. what is the purpose of building a greenhouse ?3. how does the greenhouse work?step3 pr

6、e-reading1. after learning about greenhouse ,we can learn about the greenhouse gases and greenhouse effect.let the students summarize the meaning of greenhouse gases and greenhouse effect.2. watch a tv video about “the funeral of venice”and then let the students know the influence of greenhouse effe

7、ct and global warming , the relation between greenhouse effect and global warming.step4 readingtask1:fast readinglet students read the passage quickly and answer some questions.1. who wrote the magazine article?whats the name of the magazine?2. what are the names of the three scientists mentioned in

8、 the article?3. what do they think about global warming ? do they agree with one other?4. what are the two graphs about?5. what is the main topic of the article?task2: listening and careful reading1. listen to the tape and read the passage carefully.2. after these procedures, let the students master

9、 the main idea of each paragraph .para1:during the 20th century the temperature of the earth rose about one degree fahrenheit .para2:it is human activity that has caused this global warming rather than a random but natural phenomenon.para3:all the scientists agree that the increase in the earths tem

10、perature is due to the burning of fossil fuel like coal,natural gases and oil to produce energy.para4:the levels of carbon dioxide have increased greatly over last 100 to 150 years.para5:all scientists agree that it is the burning of more and more fossil fuels that has resulted in this increase in c

11、arbon dioxide .para6:the attitude of scientists towards this rise are completely different .para7:greenhouse gases continue to build up in the atmosphere.3. then ,read the passage again and do some exercises about “true”and “false”. 1. the temperature in the last century did not seem to increase muc

12、h. true2. everyone believe that global warming is caused by the activities of humans. true3. janice foster believes that she can measure the future global rise in temperature. false4. the rise in carbon dioxide is causing a steady increase in global warming. true5. george hambley believes that globa

13、l warming will do good rather than harm to the earth. true6. it is clear what the effects of global warming will be . falsestep 5 useful words and expressions(1)come about :happeneg. how did this come about?(2) subscribe to :agree oneg. we all subscribe to the idea(3) quantities of :many ,mucheg .quantities of water are irrigated to the field .quantities of books are sold out.(4) go up:rise(5) catastrophe : a big disaster(6) mild :tender(7) consequence :resulteg :the weather is so bad .as a consequence ,we cant go out to play.(8)even if :even though(9)keep on :go onstep6 di