外研版高中英语必修1Module5教案.docx

1、外研版高中英语必修1 Module5教案Module Five A Lesson in a LabPeriod OneTeaching content: Introduction; Reading and Vocabulary Teaching important points:1.Encourage the students to talk about science as well as science subjects;2.Help the students make sense of the two passages;3.Help the students improve their

2、reading ability.Teaching difficult points:1.Lead the students to talk in class actively;2.Deal with some difficult language points.Teaching procedures:Step 1 Lead-in and IntroductionAs you know,science is very important in our life.This module were going to talk about science and science subjects.Fi

3、rst lets have a quiz to see how much do you know about general science.1.Activity1 on P41.Choose;listen and check;compare and explain.2.Activity2 on P42.Complete individually;ask the students to give answers and reasons;read out the words aloud together.3.Activity3 on P42.Complete individually;ask t

4、he students to give answers;read out the words aloud together.Step 2 Pre-readingBackground knowledge of a scientific experiment.(Actitivy1 on P44)Read to understand and put in order;compare the answer.Suggested answer: aim-method-result-conclusionStep 3 ReadingPassage A1.Fast-readingRead through pas

5、sage A silently to catch its main idea. Then finish Activity2 on P44.Explain some difficult language points to the students after checking the answer.(Ref: Notes to the text.)2.Careful readingRead passage A very carefully to find out the answers to the questions in Activity 3 on P44. (Read through t

6、he questions in Activity3;read the passage again silently to find answers;check the answers.)Suggested answers:1)Potassium, calcium and sodium.2)It burns to form an oxide.3)Magnesium, aluminium and zinc.4)It has a slow reaction.5)No, it doesnt.Passage BT: Well, from passage A we can see how interest

7、ing the experiment about the reaction of metals is! But do you know how we can carry out a chemical experiment in a lab successfully? And how to describe a scientific experiment? Next well read Passage B to learn something about the topic.1.Fast-readingRead through passage B silently to catch its ma

8、in idea. Then fill in the table on P45.Explain some difficult language points to the students after checking the answers.(Ref: Notes to the text.)【*In order to lead the students to read the text very carefully, the following task-based questions can be signed to ask them to answer:】Can you guess the

9、 meaning of the word “apparatus” through the context? Have you known all of the apparatuses of this experiment?In the second part of the experiment, why must you boil the water? And then why do you add some oil to the water?For Question 1, some students maybe feel strange to some apparatuses. If so

10、, the following pictures can be typed out with the help of computer to help Ss to know about:Test tube holderBunsen burnerTest tube2.Careful readingRead passage B very carefully to finish Activity 5 on P46. (Read the passage again silently to find answers;check the answers.)Step 4 ConsolidationRead

11、the words in Activity6 to review.Step 5 Summary and Homework1.Summary: Summarize what they have learned in this period.2.Homework: Reading on P93-94 in workbook.Appendix: Notes to the text1.It is hard to think of a world without metals.It is + adj. + (for/of sb.)+ to do sth. eg:It is easy to climb t

12、he hill. It is impossible for a child to reach that apple. It is very kind of you to help me.2.how they react with different substancesreact with sth. 与发生化学反应react to sth. 对作出反应eg:Do you think calcium reacts with water? 你认为钙会与水发生反应吗？ He didnt react to the news. 他对那消息没有反应。3.The reaction of metals wit

13、h these substances can be put in order.putin order 把按顺序放好 in order有序的（地）out of order 无序的（地）eg:Lily, put your things in order after you play with them.4.This makes sure there is no air in the water.make sure 确保，保证eg:You must make sure we can get there on time.5.Add some oil to the water. This will ke

14、ep air out of the water.1）add to 把加到 add to 增加 add up to 总计是eg: add oil to the fire 火上浇油 If you add three to seven, you get ten. These newly-built gardens add to the beauty of the city . 这些新建的公园增添了这个城市的美丽。 These numbers add up to 50.这些数字加起来总计是50。2）keepout of 使不进入eg: Keep the dog out of the room. 不要让

15、狗进入房间。6.Useful expressionsat the top (of)at the bottom (of)at leastlearn fromfind outhall-fill vt. 把填/装半满air-free adj.Period TwoTeaching content: Vocabulary and Speaking & VocabularyTeaching important points:1.Learn to research by cooperation;2.Learn to make use of numerals(nju:mrl n. 数字 / adj. 数字的)

16、 to describe things correctly.Teaching difficult points:1.Lead the students to take an active part in class; 2.Convert(knv:t v. 使转变, 转变，变换) different kinds of numerals freely and proficiently with the help of what they learn in this period.Teaching procedures:Step 1 Greetings and Revision1.Greet the

17、 students as usual.2.Check the homework in last period OR ask some students to read the new words in this module.Step 2 Vocabulary and Speaking1.Activity1 on P42.(Cardinal numbers ( k:dinl adj. 主要的，基本的 )Ask the students to read through the numbers silently and individually.Tell the students the rule

18、s of reading cardinal numbers in English and correct the mistakes in this part.Ask the students to read out the numbers aloud in this part correctly and individually.Suggested answers: 1)The word “thousand” is missing after “four hundred and seventy”; 2)The word “one”(or “a”) is missing before “hund

19、red million”. 2.Activity2 on P42.(Fractions frkn n. 分数)Ask the students to read through the numbers silently and individually.Tell the students the rules of reading fractions in English.Ask the students to read out the numbers aloud in this part correctly and individually.Answers: 1. two-fifths; 2.

20、five-eighths; 3. nine-tenths 4.three-eighths; 5.five-sixths.3.Activity3 on P42.(Percentages)Ask the students to turn the fractions in Activity2 into percentages and try to read them out in pairs or individually.Tell the students the rules of reading percentages in English.Ask the students to describ

21、e the percentages after the example.Answers: 1. A quarter is the same as 25%; 2.One third is the same as 33.33r%(thirty-three point three three recurring percent); 3.Four-fifths is the same as 80%; 4. One tenth is the same as 10%; 5. Three-quarters is the same as 75%; 6. One half is the same as 50%;

22、 7. Two-thirds is the same as 66.66r%(sixty-six point six six recurring percent); 8. Two-fifths is the same as 40%; 9. Five-eighths is the same as 62.5%(sixty-two point five percent); 10. Nine-tenths is the same as 90%; 11. Three-eighths is the same as 37.5%(thirty-seven point five percent); 12.Five

23、-sixths is the same as 83.33r%(eighty-three point three three recurring percent). 【*recur rik: vi. 重现；循环 recurring adj. 循环的；再发的 】4.Activity4 on P43.(Consolidation)Ask the students to ask and answer in turn in pairs; then ask some pairs to act out.【*5.Activity5 on P43 can be omitted.】Step 3 Vocabular

24、y1.Activity1 on P46.(Decimals desiml adj. 小数的；十进位的 n. 小数)Ask the students to read through the numbers silently and individually.Tell the students the rules of reading decimals in English.Ask the students to read out the numbers aloud in this part correctly and individually.Suggested answers:1)point

25、five(or nought( n:t n. 零；没有)/zero point five);2)two point two five;3)point seven five(or nought/zero point seven five);4)thirty point five;5)twelve point three.【带分数的读法：整数 + 分数，中间用and 连接 eg: 2又1/4 two and a quarter】2.Activity2 on P46.Look at the pictures to learn about the equipment and their names.S

26、tep 4 Summary and Homework1.Summary: Summarize what they have learned in this period.2.Homework: Activity5,6,7,9 on P92-93 in workbook.Period ThreeTeaching content: Listening and Writing; Function & TaskTeaching important points:1.Learn to research by cooperation;2.Learn to make use of words and exp

27、ressions of sequence( si:kwns n. 序列；顺序) to make their experiment report more coherent.Teaching difficult points:1.Lead the students to take an active part in class; 2.Describe their scientific experiment proficiently with what they learn in this module.Teaching procedures:Step 1 Greetings and Revisi

28、on1.Greet the students as usual.2.Check the homework in last period.Step 2 Listening and Writing1.Activity1 on P46.It is necessary for a teacher to give the Ss a brief indication before listening. For this listening, the teacher can say to the Ss: We are going to listen to a dialogue that takes plac

29、e in a lab. A teacher helps a student do an experiment. In this experiment, the metal magnesium burns in air. Is there a change in weight when this metal burns in air? First lets guess / predict the result according to what you have learned in chemistry lesson. Suggested answer:The weight of the sub

30、stance will increase,because the metal magnesium burns to form an oxide in air as we have learned in Passage A.2.Activity2 on P47.Now lets listen to the dialogue to get the main idea this time and try to find out whether there is a change in weight when the metal magnesium burns in air. 3.Activity3

31、on P47.Listen again to get more details and try to fill in the blanks.Compare the answers and then listen one more time to check the answers.Suggested answers:(The students dont have to write down,because itt difficult to write down.)Aim: to find out if theres a change in weight when magnesium burns in air. Apparatus: Magnesium, Bunsen burner, a balance, a crucible.Method: First, put the magnesium in the crucible. Then put the crucible on the balance and weigh it. Next,light the Bunsen burner and hold the crucible over it to heat the magnesium. Finally, weigh the ma