1、人教选修6 Unit 4 Global Warming教案Learning about languageTeaching goalsAbility goalsEnable the Ss to talk about environmental pollution and write a composition on environmental problems.Learning ability goalsHelp the Ss to write a composition on environmental problems.Teaching important & difficult point
2、sHow to help the Ss to write a composition on environmental problems.Teaching aidsA computer and a projectorTeaching proceduresStep1 Extensive readingRead Toms essay about litter. Make a summary for each paragraph, and then fill inthe following table.First Para.Point of viewSecond Para.First point o
3、f the argumentEvidenceThird Para.Second point of the argumentEvidenceFourth Para.Point of viewStep2 DiscussionDiscuss the environmental problems that concern people most in groups of four.List as many environment topics as possible, and then write them on a piece of paper.A sample list of environmen
4、t topics:air pollution, noise, soil erosion, water pollution, litter classification, desertification, and make green by planting treesStep 3 WritingChoose a topic from the list that you feel strongly about. Make notes on your topic using headings similar to the table in the reading task. Use the pas
5、sage as a model.Writing tips:Step 1: Write out the thesis statement. (point of view)Step 2: Write out the topic sentence of the first body paragraph.Step 3: Give the supporting points and details about the first subtopic.Step 4: Write out the topic sentence of the second body paragraph.Step 5: Give
6、the supporting points and details about the second subtopic. (more body paragraphs .)A sample version:The Environmental Effects of Fossil FuelsThere is no doubt that fossil fuels bring a lot of good to us. But do you know that many of the environmental problems our country faces today result from ou
7、r fossilfuel dependence.The environment faces air pollution, global warming, acid rain, and several other veryserious problems because of our use of fossil fuels. Over the last 150 years, burning of fossil fuels has resulted in more than 25 percent increase in carbon dioxide in our atmosphere.Carbon
8、 dioxide is one of the main factors in global warming which is negatively affecting everyone. Fossil fuels also affect water pollution, land pollution, and thermal pollution (heatpollution). Coal mining is one of the causes of pollution in the environment. After themining is completed, the land will
9、 remain barren. Materials other than coal are also brought to the surface in the coal mining process and these are left as solid wastes. The production, transportation, and use of fossil fuels are to blame for the effects of pollution on the environment. Then what should we do? We should spare no effort to improve our environment. Please save energy and use fewer fossil fuels in our daily lives.Step 4 HomeworkFinish your composition on environmental problems.