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2.完成相关练习并理解故事
教学难点
1.掌握本单元单词和句子。
2.完成相关练习并理解故事。
教法学法
PPT、cards
教学过程
设计意图
Step1 : Warming up
Free talk:What’s the weather like today?what was the weather like yesterday?Talk about the change of weather,the change of teacher,the change of school by using the sentence structure:there was/were,there is /are,there will be.
由天气变化引出change这个话题。在谈论老师变化和学校变化的活动中复习本单元的句式。
Step 2: Presentation
1. T shows the first three pictures.Q:What change are these three pictures about? Then talk about the pictures,help students to understand the word:raw, house robot.
What will robot do in the future?
T shows a video《The life in the year 2050》.Q:What change do you see in the video?
T shows the next three pictures.Q:What change are these three pictures about?
Talk about the pictures.Why the earth changed?Talk about the questions by using the the sentence structure.
T shows the last three pictures.Q:What change are these three pictures about?The whales.Talk about the pictures.Q:There are not many whales now.Why?
谈论图片的同时解决生词，引导学生找出关键词和图释，帮助学生理解故事。提出一些W的问题，启发学生思维。《The life in the year 2050》未来世界的视频启发学生的想象力，为将来时的语言输出提供支架，为后面poster的制作做铺垫。
Step 3: Practice.
1.Read the story after the tape.
Read the story by yourself.
Read the part you want to share.
T shows a MV《Earth song》 . Q:What do you see in this video?What should we do ?
Make a poster. Talk about the changes around us.Share your posters.
6.T offers the word bank.
7.T helps Ss make their poster.
熟读故事，跟读培养语感。《地球之歌》的节选给人很强的视觉冲击，自然引导学生要保护地球，保护野生动物。Poster的制作与分享是高潮部分，用之前得到的贴画或者手绘装饰海报。话题的选择不唯一，也用老师提供的话题，也可以自定话题。Word bank里的单词提供语言支架，小组分工合作，其乐无穷。
Step 4: Homework.
Read the story and share the story with your friends.