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北师大版选修七《Unit 21 Human Biology Bulletin Board》优秀教案设计
Students are from Class 14, Senior 2. They are generally active English learners but not very good at it. When come across difficult issues, they still have some difficulty voicing their own opinions.
教学目标
By the end of this class, students will be able to:
Accumulate expressions related to the theme of cloning.
Find out advantages and disadvantages of human cloning through narrow reading.
Come up with their critical ideas about human cloning and develop the ability of critical thinking.
教学重难点
Key points and difficult points:
Find out advantages and disadvantages of human cloning through narrow reading.
Come up with their critical ideas about human cloning and develop the ability of critical thinking.
学习策略
task-based learning method
individual work and group work
教学过程
学生活动与教师活动
设计目的
Step 1 Lead-in (3min)
T: Before the class, I would like to share with you a story. (show pictures on PPT) Once upon a time, there was a little earthworm named Tony. One day, he was at home alone. Suddenly he felt like playing badminton. But he had nobody to play with him! So he thought about a good idea—to cut himself into two pieces! Then the two halves of him play badminton happily! The next day his sister also felt lonely and felt like playing mahjong, what do you think she might do? Yep she cut himself into four pieces. Then the third day, his father felt like playing football, what do you think he would do next?
Ss: cut himself into many pieces.
T: Maybe. But actually if Tony’s family have been able to use a modern technology, cloning, they can easily do that without cutting themselves!
Lead in the topic with a joke about the little earthworm’s family, which then leads them to thinking about the benefits of human cloning.
Step 2 brainstorming for advantages (5min)
Teacher: So maybe we can clone ourselves to accompany us when we feel lonely, and maybe I can clone another me to help me do the homework when I am tired and feel like to sleep. It is wonderful, isn’t it? So what other benefits do you think cloning can bring us? Two minutes to discuss with your partner and share with the class.
Students have a short brainstorming of the advantages of human cloning to activate pre-existing knowledge.
Step 3 reading for more advantages (10min)