Unit8 Were trying to save the earth!SectionA教案1.doc

Unit8 Were trying to save the earth! Section A教案 1一、 教学目标(一) 知识与技能1. To learn the following words and expressions. Bottom, coal, public, ugly, cost, advantage, method, cruel, harmful, afford.2. To understand the passage on Page 59.(二) 过程和方法 1. To get a general knowledge of pollution by reading and role-play. 2. To know about how to reduce pollution through discussion. (三) 情感态度和价值观 After learning this part, every student will be aware of the serious situation of pollution and determined to take action to protect our earth from now on.二、 教学重点1. How to use the following words and expressions: cost, advantage, harmful, afford, used to, play a part in2. to understand the passage on Page 99.三、 教学难点1. How to use the following words and expressions: cost, advantage, harmful, afford, used to, play a part in2. to understand the passage on Page 59. 四、 教学准备 Ppt, recorder, mutiple-media五、 教学环节 Step 1 Lead-in1) Show some pictures about pollution and ask students to discuss what the danger of each kind of pollution is.2) Here are some words are related to different kinds of pollution. Write them in the box below, and you can add more words. Loud music, littering, building houses, cars, ships, mobile phones, rubbish, factories, planes, smoking.Air pollution Noise pollutionWater 3) Role-play the following conversation and make your own conversations about the kinds of pollution above.A: The river was dirty. Even the bottom of the river is full of rubbish.到B: But it used to be so clean.A: Yes, but people are littering in the river.B: Everyone in the town should play a part in cleaning it up.Step 2 Reading 1) Fast-reading Now turn to page 59 and read the page quickly to find answers to the sheet.QuestionsAnswersWhere sharks fin soup is popularSouthern ChinaNumbers of sharks caught and traded every year70 millionHow much the numbers of some kinds of sharks have fallen in the last 20-30 years?over 90 percentTwo environment groups which are against finningWild Aid and the WWF2) careful-reading Read the passage again and fill in blanks.so, although, if but, when Many people do not realize they are killing a whole shark _ they enjoy a bowl of sharks fin soup. Sharks are at the top of the food chain, _ if their numbers drop, the oceans ecosystem will be in danger. Many think that sharks are too strong to be endangered, _ they are wrong. _ there are no scientific studies to support this, a lot of people believe that sharks fins are good for health. Sharks may disappear one day _ we do not do something to stop the sale of sharks fins.Possible answers: when, so, but, although, ifStep 3 Activities In your group make a list of things people can do to help the environment.Step 4 SummarizeLook back on what we have learned. 1. How to protect environment.2. Useful languages: be harmful