高中英语 Module 5 A Lesson in a Lab

高中英语 Module 5 A Lesson in a Lab(第二课时)教案 外研版必修1高中英语教案A Lesson in a Lab第二课时一、教学目标1.知识与技能熟练掌握English numbers，a little, a bit, a lot, rather, no, any, (very) much, lots 2. 态度与方法Help the students to read and write some English numbers correctly.Help the students find the main parts of an experiment while they are listening.3. 情感态度与价值观Help the students know the rules of expressing numbers.Help the students guess the main parts of a listening material from the tips. 二、Teaching important points 教学重点Let the students pay attention to the key words in the materials about Aim, Equipment, Method, Result, and Conclusion.三、Teaching difficult points 教学难点Help the students read some large English numbers.四、Teaching methods 教学方法Listening and discussion.五、Teaching aids 教具准备A projector and a recorder.六、Teaching procedures & ways 教学过程与方式Step RevisionChehttp:/ck the students to their pronunciation and intonation.Step Listening and WritingThis is a continued part to the reading material. The students can get more familiar with some new words and expressions, and also get familiar with the description of an experiment. Ask the students to scan the three activities in LISTENING AND WRITING on P46, so that they know what they are going to do, and try to get ready to catch the key words or key sentences when they are listening.T: Now, please turn to page 46. We are going to the three instructions to know what you are going to do.Several minutes later.T: Do you know what you are going to do?Ss: Yes.T: Whats the first one?S1: To read the Aim below and predict the Result.T: What is your prediction?S1: I think there are two results. One is that the magnesium is before.http:/ The other is that it becomes a little lighter than before. Its difficult to get a result, unless we make an experiment.T: Good, this is a correct attitude towards science. Now, well listen to the conversation to find the result. So please listen carefully and write down the key words.Play the recorder for the students to their answers using the key words. If possible, ask them to write the whole sentences.T: Now lets listen and complete the description of the scientific experiment. Weve known the Aim and Result. What we should focus on is Apparatus, Method and Conclusion. And for Method, we should pay attention to the function words: first, then, next, after that, and lastly. Do you remember?Ss: Yes.T: OK, lets listen again.Play the tape recorder again. The students listen to the recorder and complete their sentences. At last, collect the answerhttp:/s.Step Listening and Speaking (P95)This is another experiment for the students to decide the correct order of the stages. So, first look at the pictures, work in pairs to describe what the boy is doing.Let the students do the job, and then collect their descriptions.T: Well, just now, I collected some of your descriptions about what the boy is doing.Look at the sentences on the screen.Write the following sentences on the screen.a) Bob is writing a conclusion.b) He is squeezing a lemon.c) He is going to fire the paper.d) This is the aim of the experiment.e) He just lighted a candle.f) He is going to write something on the paper.g) He is blowing the paper.T: All of these descriptions are very good. Now lets listen to the tape to find the aim and put the stages in the corhttp:/rect order.After the students finish the task, check their answers with the whole class by listening to the material again.T: Well, its time for us to turns to describe the experiment. Use these words and phrases in the box.Give the students some time to do the job. And then ask one or two of them to read out their descriptions. Teacher can also leave this part as this part this step: Task 1, Activity 1; Task 2, Activity 2; Task 3, Activities 3 and 4.Task 1: Activity 1T: Today well learn 1, Part A. There are some numbers on it. Find the rules and then work in pairs to read them co