初四英语Lesson18教学案例及点评

Discuss about the question: What can we learn from this lesson?

Step8 Homework

Write what they can learn from this lesson.

教学实录

（一）Warming up

（二）Revision

T: Do you still remember the words what we learned in Lesson17?

(The teacher writes words on the Bb: chemical, experiment, observe and observation)

Ss: Read together.

T: Do you know which word “observation” comes from?

S1: (Stand up) “Observation” comes from “observe”.

T: What’s the difference between them?

S2:“Observation”is n. and “Observe” is v.

T:(赞许地).You are right.

（三）Pre-reading (Task1)

T: Now let’s discuss two questions. (on Page22)

1. In what ways do you think observation is important?

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2. How good are you at observing things? Give the examples.

(学生分组讨论，气氛热烈。教师走到学生中去，与学生交流沟通)

T：OK. Who’d like to tell us the results first?

S3: I think observation is very important in many ways. For example, in my study, especially, my chemistry and physics. But, I am not good at observing things.

T: Well done.

S4: I think in my composition is very important because if we give an careful observation to the things we have seen, we will write a good composition.

S5: I’m not good at observing things. For example, When I write English words. I always make some mistakes.

S6: Neither am I.

……

(教师能鼓励学生大胆地开口说英语，学生能用自己学过的知识进行口语表达，这在英语课堂上是很可贵的，尽管学生的口语表达不是很准确)

T：Thank you. All of you gave me many examples. I hope you are good at observing things. It is important for your study and work in the future.

（四）Presentation(Task2)

T: Today, let’s look at an examples about observation. Now look at the picture at the top of Page22. Give me the answers to my questions. Who is the man? What is the man doing?

S7: He is a chemistry teacher. He is having a chemistry class.

T: Good! Let’s go on looking at picture at the bottom of the page: Who are these boys? Where are they? What are they doing?

S8: They are students. They are in their classroom. They are tasting something.

(教师通过看图谈论，直观地将本课的内容展现出来。学生很自然地被迁移到了新课中来)

（五）Reading (Task3)

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