植树造林(Planting trees)课题: 植树(Planting trees) 年级: 初中三年级第二学期第十八单元 目: 1 学生认识森林途2 解植树造林意义破坏森林果3 培养积极种树爱护树木意识4 培养学生分析综合解决问题力 工具: 中国图 关森林实物片 The Great Green Wall is 7000 kilometres long and between 400 and 1700 kilometres wide The Great Green Wall will stop the wind from blowing the earth away It will stop the sand from moving towards the rich famland in the south It has already saved a lot of land But more Great Green Walls are still needed and not only in China They must be built all over the worldNotes For Activity 1 Students are asked to do in the following steps 1 Make sure that the students understand the meaning of the activity and give some words or expressions possibly mentioned in the acitivity 2 Ask the Ss to list at least six reasons(simple words expressions or sentences) why the trees are cut down They should do this activity individually 3 Each student asks the other three different students for their reasons 4 If there are any different reasons and you agree add these reasons to the picture 5 If you dont agree these different reasons have a discussion with them 6 Write a short passage with the list of the reasons to show why the trees are cut down Activity 2 is a discussion activity The students are asked to do this activity in a competitive way Step 1 Divide the class into groups of four Step 2 Discuss the topic The teacher gives any necessary help (like some new vocabulary or some pictures) Step 3 Each group reports their discussion to the class Step 4 The group who get the most answers win the game Hints What forest can do 1 help to grow desert(沙漠) 2 save farmland 3 change weather 4 provide home for animals 5 stop wind from blowing away the earth 6 make food for human 7 increase pollution (污染) 8 help to solve the population problem 9 hold water in the soil 10 make wood for human 11 Add oxygen(氧气) to the air and increase air pollutants(污染物) 12 Make the noise louder 13 Provide paper products
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