《Unit8 Lesson 48》（冀教版）.docx

河北教育出版社 八年级（下册） 畅言教育Unit 7 Know Our WorldLesson 48 教材分析本课围绕环境来展开阅读，号召大家采取有效措施和从生活小事做起，提高学生珍惜和爱护地球的情感意识。 教学目标【知识与能力目标】1. Master the new words and expressions: sort, metal, weight, percent2. Call on the students to take actions to protect our environment.3. Learn about the pollution problems in our life.【过程与方法目标】掌握阅读的技巧，了解“greenhouseeffect”的背景知识和如何做绿色消费者来保护我们的地【情感态度价值观目标】本课围绕环境来展开阅读，号召大家采取有效措施和从生活小事做起，提高学生珍惜和爱护地球的情感意识。 教学重难点【教学重点】1. Offering help.2. Learn new vocabulary for describing materials and for comparing qualities.【教学难点】1. Offering help.2. Learn new vocabulary for describing materials and for comparing qualities. 课前准备 图片，PPT 教学过程Step 1. Remind the students: 1. What kinds of rubbish do you throw every day? Can you name them? 2. What can be recycled? Step 2. Work in groupsLet the students go to the dustbin to collect some garbage and take them to the classroom.Ask the students name them and compare the qualities.Let the students look up the books and the dictionaries when they are in trouble. Help them when they cant express correctly.Step 3. ListeningListen to the tape finish Exercise 2 in the activity book.1. Every year, each person in North America makes about 1000 kilograms of garbage.2. Plastic makes the most garbage.3. In just one day, Americans throw out 136 million kilograms of packaging.4. Packaging makes the most garbage.Step 4. ReadingRead the text and check the answers.Let the students read the text in roles. Then ask several students to act out the dialogue.Step 5. Come to “PROJECT”Bring the students to pick up the garbage in the school yard. Put the garbage into bags and bring it to school for our project.Take a walk around your neighbourhood, take a bag with you and pick up any garbage you see. Wear gloves, because garbage in dirty.Now sort the garbage into paper, plastic, metal, glass and others.Then compare the garbage in school yard with that in neighbourhood.Have students work in the same groups or in new groups. Each group