1、2014-2015学年高中英语同步教案：M 5 A Lesson in a Lab（外研版必修1）单元设计共6课时外研版高一英语Module 5 A Lesson in a Lab 单元教学设计共六课时The First PeriodIntroduction,Vocabulary and SpeakingTeaching goals1.Target languages liquid,expand,contract,substance,mixture,oxygen,electricity, aim, equipment, react, result, steam, substance, boil
2、, float, form, dissolve, rust. 2. Ability goalsEnable the students to learn some words concerning scientific experiment.3. Learning ability goalHelp the students learn how to recognize the numbers,fractions and percentages. Teaching Important Points 1.Train the students abilities of listening and sp
3、eaking. 2.Enable the Ss to recognize the numbers,fractions and percentages. Teaching Difficult Point How to improve the students speaking ability. Teaching Methods Individual and pair work. Teaching Aids 1.a computer 2.a projector 3.the blackboard Teaching ProceduresStep 1 Greetings and Leadin T:Hel
4、lo,everyone. Ss:Hello,Mr Li. T:Sit down,please. Now in this unit we are going to learn something about general science and learn how to express the numbers. First of all,lets learn the new words. (Show the new words on the screen.)liquid 液体expand 膨胀contract 收缩substance 物质mixture 混合物oxygen 氧气electric
5、ity 电 T:OK. Please read the new words and find the Chinese meaning for each worD. (The Ss read and look up the words in the vocabulary individually. Teacher makes sure the Ss know the new words. Read the words after you.)Step 2 Choose the correct answers to the quiz. Teacher asks the Ss to look thro
6、ugh Part one and judge which statements are true. The Ss read and tick the possible right sentences. T:Now listen and check your answers. The Ss check the answers in pairs. 1.a2.a3.a4.a5.b6.b7.b T:Now listen again and check your answers.Step 3 Practice T:Put the words in pairs or groups individually
7、. (The Ss work on their own.) T:Compare the answers in pairs. 1.airoxygen2.contractexpand 3.earthsunmoon4.gasliquidsolidStep 4 Practice Teacher shows the words on the screen. Have the class repeat them.electricityironmetalsteelairglass T:Can you find these things in our classroom? (Further questions
8、 for them to answer)Which of the above are natural?Which are manmade?Which can be both? T:Work in pairs or groups. (Call back the answers from the class.)1.Electricity,iron,some metals and air are natural.2.Steel,some metals and glass are manmade.3.Electricity and some metals (alloys for example) ca
9、n be manmade and naturally.Step 5 Vocabulary and speaking 1.Look at the numbers.(Show these numbers on the screen. Ask them to say the numbers. The English expression will be given when a student makes the answer.)76seventysix876eight hundred and seventysix2876two thousand,eight hundred and seventys
10、ix32 876thirtytwo thousand,eight hundred and seventysix432 876four hundred and thirtytwo thousand,eight hundred and seventysix 2.Look and learn SB P42 Part 1 By this time,the Ss should know the meaning of “million”. T:Read the numbers. And find the two mistakes. This is a good time the Ss learn how
11、to say the large numbers. The teacher walks around the class and offers help when necessary. S:Ive found the errors. The first two numbers are misread. T:Youre right. But how can you say the numbers? S:The first one should be fiftytwo million,four hundred and seventy thousand,three hundred and eight
12、ythree. T:Great! What about the second? S:Its one hundred million. T:Good job! 3.Look and say Look at the following big numbers and say them in English quickly. 55 555 655 555 7 555 505 87 555 500 987 555 500 1 000 000 000 4.Listen and write T:Listen to the following numbers in English and write the
13、m down. three thousand,five hundred and fortysix thirtythree thousand,seven hundred and ninetysix five hundred and twentytwo thousand,four hundred and eightyfive three million,two hundred and thirtyfive thousand The Ss write in the Arab letter. The teacher collects some of their work and shows it on
14、 the real object objector. 5.Look at these fractions SB,P42 Part 2 T:Now please say these fractions in English. S:Two fifth. T:Is it right? S:No,its two fifths. T:Good! Next? S:Five eighths. S:Nine tenths. S:Three eighths. S:Five sixths. T:Who can describe the fractions in Activity 2 as percentages?
15、 S:Ill try. One third is the same as 33.33%. S:Fourfifths is the same as 80%. S:Onetenth is the same as 10%. S:Threequarters is the same as 75%. S:One half is the same as 50%. S:Twothirds is the same as 66.66%. S:Twofifths is the same as 40%. S:Fiveeighths is the same as 62.5%. S:Ninetenths is the s
16、ame as 90%. S:Threeeighths is the same as 37.5%. S:Fivesixths is the same as 83.33%. T:Good! Your mathematics is excellent! 6.Practice T:Lets turn to P43, Part 4 Read these questions aloud and say the numbers. (Put the Ss into pairs to take turns asking and answering the questions. Circulate,monitor
17、 and help where necessary. Call back the answers from the class.) (1)3 000 000 (2)48 046 000 (3)50 000 000 (4)265 693 096 (5)750 375 000 (6)80 000 000Step 6 Practice T:Work in pairs. Give your partner five sums. Use numbers over a million. Your partner must find the answers. Work out the answers and
18、 then say them in words.Step 7 Assignment 1.Master the new words we have learned in this class. 2.Work in pairs. Look,listen,speak and write the larger numbers,fractions and percentages.Step 8 The design of the writing on the blackboardModule 5A Lesson in a LabThe First Periodliquid55 555expand655 5
19、55contract7 555 505substance87 555 500mixture987 555 500oxygen1 000 000 000electricity Step 9 Activity and InquiryStepsStudents ActingTeachers Organizing1The students are asked to use a mixture ofpercentages,additions and fractions,as in the previous activity.Then work outthe questions on their own
20、first,but leavethe answers off the paper they write the questions on.Ask the students to work out theanswers independently.2The students should exchange questions and writethe answers out on paper as they would say them(i.e. in words,not just in figures).The teacher looks around the class,inspecting
21、 the students activity.3Take it in turns to ask and answer each others question.Ask the students to carry out the activity seriously.The Second Period Reading and Vocabulary Teaching goals:Target languageliquid,expand,contract,substance,mixture,oxygen,electricity, aim, equipment, react, result, stea
22、m, substance, boil, float, form, dissolve, rust. Teaching Aims 1.Improve the students ability of reading comprehension. 2.Get the students to have a global understanding of the reading passage. 3.Train the students to guess the meaning of a word according to the context. Teaching Important Points 1.
23、Train the students reading ability. 2.Get the Ss to understand the reading text. Teaching Difficult Point How to improve the students reading ability. Teaching Methods 1.Individual,pair work to make every student work in class. 2.Fast reading and careful reading to understand the passage correctly.
24、Teaching Aids 1.a tape recorder 2.a projector 3.a multimedia computer Teaching Procedures Step 1 Greetings and leadin Greet the whole class as usual. T:We are going to do an experiment today.I need these things to do the experiment:test tubes,Bunsen burner,salt.When we do an experiment,we should fir
25、st of all have an aim. We should use proper methods. We should find the result and draw a conclusion. Have you ever done a scientific experiment? What is the correct order of a scientific experiment? (Show the words on the screen.)conclusionaimresultmethod T:Put the words into correct order.aimmetho
26、dresultconclusionStep 2 Motivation T:As we know quite well,metals are very useful. What are the different uses of metals? What should we know when using metals? Which reacts most with water,potassium or iron? You will have a better understanding of metals after reading Passage A. (Show the three que
27、stions on the screen.) (1)What are the different uses of metals? (2)What should we know when we use metals? (3)Which reacts most with water,potassium or iron?Step 3 Fast reading Teacher allows the Ss a few minutes to do fast reading. T:Who has got the answers? S:Different metals have different uses,
28、for example,steel is used in cars and iron is used in electrical equipment. T:What should we know when we use metals? S:When we use metals,it is important to know how they react with different substances. T:So we must be careful when we use metals. Who should be good at using metals? S:Scientists. S
29、:Engineers. S:Mechanics. T:Very good! And which reacts most with water,potassium or iron? Ss:Potassium. T:Do we have to keep in mind how metals react with different substances? S:Yes. S:Not necessarily.Its enough to have some common sense. Wed better leave them to the experts. S:I dont quite agree w
30、ith you. Better leave them to the people who are interested in this field of science. T:Do you agree with him/her? Ss:Yes. /No.Step 4 Detailed reading Read the passage again. Answer the questions in Part 3 in the SB,P44. This is a good time to enable the students to learn to read the table. Answers:
31、 (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.Step 5 Further reading T:Now read Passage A carefully to choose the best title for it. S:The Reaction of Metals is the best title.Step 6 Language points 1.It is
32、 hard to think of a world without metals. it是形式主语,真正的主语为to think of a world without metals,这是英语中一个很重要的句型。 Ask the Ss to make some sentences,using the pattern. It is hard to think of a world without friendship. It is hard to think of a world without electricity. It is important to read the directions
33、 before you use the machine. It is possible to build a radio without using metals. T:Put the sentences into Chinese one by one. 2.equipment 不可数名词，“设备,装备”。 (1)firefighting equipment 消防设备the cost of equipment 设备费用 (2)常见的不可数名词有:news新闻,information信息,advice劝告,fun嬉戏,practice实践,furniture家具 3.When we use me
34、tals,it is important to know how they react with different substances.使用金属时,要了解金属和不同的物质如何发生反应,这一点很重要。 (1)react with. 对起(化学)反应 Potassium reacts with oxygen easily. 钾和氧容易起反应。 react to.对产生反应,回应 The eye reacts to the light.眼睛对光会起反应。 He didnt react to their words.他对于他们的话没作反应。 (2)substance不可数名词， “物质”。 a c
35、hemical substance一种化学物质 What substance does it consist of?它是由什么物质组成的? 4.The reaction of metals with these substances can be put in order. put.in order 把按顺序排列 以order为中心的短语有: keep order 维持秩序 obey orders 服从命令say numbers in order 照顺序数数 in good order 井然有序out of order 顺序乱的;出故障的Step 7 Practice Learn to say
36、 the names of the metals in the table. Show the real object or the picture of each metal.Step 8 Assignment 1.Learn the new words by heart. 2.Recite Passage A. 3.Preview Passage B.Step 9 The design of the writing on the BlackboardModule 5A Lesson in a LabThe Second Periodreact withreact toa chemical
37、substanceWhat substance does it consist of?put.in orderkeep orderobey orderssay numbers in orderin good orderout of orderStep 10 Activity and InquiryStepsStudents ActingTeachers Organizing1Read through the examples and have theclass repeat them after the teacher.Get the students to repeat after the
38、teacher.2Answer the questions individually.Ask the students to answer thequestions individually.3Put the students in pairs to compare their answers.Get the students to work in pairs to compare their answers.4Call back the answers from the class.Collect the answers from the class.The Third PeriodRead
39、ing and Vocabulary Teaching goals:Target languagerustboil ordinarysteamfloatformdissolveadd tokeep out of Teaching AimsLearn to describe a simple scientific experiment. Teaching Difficult Points 1.Enable the Ss to write a report on a scientific experiment. 2.Learn to use the new words and expression
40、s in this part. Teaching Methods Reading,question and answer. Teaching Aids 1.a tape recorder 2.a computer 3.some test tubes,nails,Bunsen burner,balance,tongs Teaching ProceduresStep 1 Greetings Greet the whole class as usual.Step 2 Revision Show the metals learned in the last period to the class an
41、d ask them to name them in English.Step 3 Presentation Read the passage to find the answers to the questions. 1.Whats the aim of the experiment? 2.What equipment do we need in order to do the experiment? 3.How long does it take to see whether iron rusts in the three cases? 4.How can we take the air
42、out of water? 5.How can oil prevent air entering water? (Show the questions above on the screen.)Step 4 Reading Read the passage individually and then discuss in pairs or groups.Its a good time to learn the new words and understand the meaning of the passage.Step 5 Call back the answers from the Ss
43、1.It is to find if iron rusts in dry air,in airfree water or in ordinary water. 2.We need some test tubes,test tube holder,cotton wool,oil and Bunsen burner. 3.A week. 4.We can take air out of water by boiling it. 5. Because oil is lighter than water,it stays on the surface of water.Step 6 Learn the
44、 new words 1.Ask the Ss to pick out the new words in Passage B. Write the words on the blackboard. rust,test tubes,nails,Bunsen burner,boil,ordinary 2.Read the new words after you twice. Bring out the apparatus on the desk.Step 7 Careful reading T:Well.Now reread the passage carefully to further und
45、erstand it. Then work in pairs to fill in the blanks on Page 45. Step 8 Language points 1.Add some oil to the water. 在水中加点油。 add sth. to sth. else Add some sugar to the soup. 在汤里加点盐。 He planned to add a room to his house. 他打算再扩建一间屋子。 Five added to ten makes fifteen. 五加十等于十五。 2.This will keep air out
46、 of the water. 这会使空气不进入水中。 keep.out of. 把挡在外面;不让靠近 The dog is smelly. Keep it out of the room. 这狗身上很难闻，把它弄到屋子外面去。 Keep out of the railroad track. 请勿靠近铁轨。 3.Iron rusts in ordinary water. 铁在普通的水里会生锈。 ordinary 一般的;普通的;平常的 in ordinary dress 穿着便服 ordinary work 平常的工作Step 9 Practice Complete the sentences
47、on P46,Part 5. Keys:1.nail2.does not rust3.boil;air4.oil;air5.iron; airStep 10 Assignment 1.Do the experiment in groups of three after class. 2.Report a similar experiment you have just done in the lab.Step 11 The design of the writing on the blackboard Module 5A Lesson in a LabThe Third Period1.Wha
48、ts the aim of the experiment?2.What equipment do we need in order to do the experiment?3.How long does it take to see whether iron rusts in the three cases?4.How can we take the air out of water?5.How can oil prevent air entering water?rust,test tubes,nails,Bunsen burner,boil,ordinary add sth. to st
49、h. else keep.out of. ordinaryStep 12 Activity and InquiryStepsStudents ActingTeachers Organizing1Complete the description involved in somecareful reading for specific information (scanning)and reorganize the information.Remind the students how they usuallywrite up scientific experiments.2Complete th
50、e description on their own,andthen check their answers in pairs.Ask the students to complete thedescription on their own.3Give the answers.Play the recording again.The Fourth PeriodListening and Writing, Grammar 1 & Grammar 2. Teaching Aims 1. Learn to say the decimals. 2. Develop their abilities of
51、 listening and writing. 3. Learn the grammar: Degrees of Comparison. Teaching Difficult Points 1. Improve the students listening ability. 2. Master the grammar: Degrees of Comparisons 12. Teaching Methods Finding, deducting. Teaching Aids 1. a computer 2. a projector 3. the blackboard Teaching Proce
52、dures Step 1 RevisionShow their homework exercises on the real object objector. Teacher gives some comments on the work.Step 2 Look and learn Learn to say the decimals by looking at Part 1 on Page 46. Give them two minutes. Work on their own first and then say to each other in pairs, paying attentio
53、n to the numbers before and after point.Step 3 Write and say T: Now write and say the numbers as decimals. S: Point five. S: Two point two five. S: (naught) Point seven five. S: Thirty point five. S: Twelve point three. T: Learn to say the fractions on Page 46. Work in pairs and report the answers t
54、o the class. Keys: a halftwo and a quarter three quarters thirty and a halftwelve and three tenthsStep 4 Practice Write 5 fractions for each one to say.Step 5 Listening and writing T: Read the listening material and try to predict what you will hear. (Its a good way to train their listening ability.
55、) Play the cassette for them to listen. Listen another time for them to complete the description of the scientific experiment. Listen a third time.Step 6 Grammar 1: Degrees of Comparison 1 Learn how to use multiple in degrees of comparison T: In junior middle school, we learned the sentence: “The ea
56、rth is larger than the moon.” We add “forty-nine times” to the sentence on P43.Have you noticed the word order? T: What do we say “两倍” in English? S: Two times. T: Is it right? S: No. Its twice. T: Now please answer the questions in Part 1, P43. S: It should be like this: I went there twice. T: What
57、 about No.2? S: 20 metres. T: No.3? S: Object B is 400 kilogrammes.Step 7 Practice Part 2 SB, P43 Work on your own first and then check the answers together. 1. Yangtze River is about three times as long as Songhua River. Yangtze River is about three times longer than Songhua River. 2. Winter in Har
58、bin is four times as cold as that in Beijing. Winter in Harbin is four times colder than that in Beijing. 3. MountQumolangma is about six times as high as MountTai. MountQumolangma is about six times higher than MountTai. 4. My aunts house is twice as large as mine. My aunts house is twice larger th
59、an mine. 5. Tom weighs twice as heavy as Lily. Tom weighs twice than Lily.Step 8 Grammar 2: Degrees of Comparison 2 T: Find the grammatical rules in the first three sentences on P47. S: The first sentence contains the structure “more and more”. T: Good! S: The next two contain the structure “the mor
60、e.the more.”. A1、2、3B 2、3C1Step 9 Part 2, SB, P47 T: Make sentences according to the example. Work on your own first and then check the answers together. 1. The hot metal is getting bigger and bigger. 2. The magnesium is getting hotter and hotter. 3. The sun is getting stronger and stronger during t
61、he morning. 4. The sea is becoming warmer and warmer.Step 10 Assignment 1. Study Parts 3-4 on P47-48.Find out more words or phrases which can modify the degrees of comparison. 2. Wb, Exx. 1-2, P91 Step 11 The design of the writing on the BlackboardModule 5A Lesson in a LabThe Fourth Perioda halftwo
62、and a quarterthree-quartersthirty and a halftwelve and three tenthsmore and morethe more.the more.Step 12 Activity and InquiryDegrees of Comparison 2 ActivityLook at these sentences: 1. Come a bit closer. 2. We need rather more than that. 3. It weighs a little more than before. 4. Itll be a lot heav
63、ier than magnesium. 5. Is it any heavier? 6. We need a piece which is (very) much bigger than that.StepsStudents ActingTeachers Organizing1Read through the sentences.Ask the students to read through the sentences.2Complete the activity individually.Get the students to complete the activity individua
64、lly.3Work in pairs to compare their answers.Put the students in pairs to compare their answers.The Fifth PeriodPronunciation, Everyday English, Function and Cultural corner.Teaching goals:Target languagesUsed to , in the area of, be pound of , be supposed to Teaching Aims Learn and master the follow
65、ing: (1)Pronunciation in the general question sentence and interrogative sentence. (2)Words and expressions of sequence. Teaching Important Points 1. Everyday English: Where do we go from here? Keep the noise down. Youve got it! Go ahead! Its your turn. 2. A reading passage: Cultural Corner Teaching
66、 Methods individual work, pair work Teaching Aids 1. a tape recorder 2. a computer Teaching ProceduresStep 1 RevisionCheck the homework exercises. 1. Show the words and phrases that come before the degrees of comparison. 2. Check the answers on P91.Step 2 Listening Learn the pronunciation. Pay atten
67、tion to the intonations. Mark the tones. Ask the Ss to summarize the basic rules for the sentences. Read after the speaker in the correct tone. Additional sentences for them to read. (1)Where did you go last month? (2)Whos the woman at the door? (3)Is the experiment successful? (4)Do you really want
68、 to have a go?Step 3 Everyday English Get the Ss to guess the meaning of each sentence and then give the right answer. (1)a(2)b(3)a(4)b(5)aStep 4 Pair work Make a short dialogue, using the expressions you have just learned. S: If I want others to talk quietly, what should I say? S: Keep the noise do
69、wn. S: If you dont know what to do, you may say. S: Where do I go from here? T: If you hear someone say, “Bag it,” what does he really mean? S: Put it in the bag. T: No. It isnt. S: Keep it secret. T: No. It means “Forget about it”. You see, English is great fun. Step 5 Function Learn to express the
70、 sequence. T: First read the short passage. Then judge when you use them. S: When we state an event, we use First., Then., Next.,After that.,Lastly. T: Think of a situation where you use the expressions. Tell the story to your deskmate.Step 6 Culture corner T: What are you interested in? S: Physics.
71、 T: Why are you enjoying learning physics? S: I want to learn how things work. T: Do you hate to be told to do this or that? S: I am excited if I can choose what I want. T: Now read the passage on P49. It will help you in learning about the science teaching in a school in Canada. Ss read the passage
72、 eagerly. T: Why has Mark become more interested in science? S: Because the science teachers at his new school are excellent. S: Because they have good labs with the latest equipment. S: Because his teacher often takes them to some interesting lectures by the famous scientists. S: It is much easier
73、for him to understand his science lessons. T: Very good. Does our school have such good facilities? Ss: No.Step 7 Discussion T: What can you suggest to the school? S: Ask more good teachers to come to teach in our school. S: Buy more advanced equipment. S: Ask some scientists to give us lectures. S:
74、 Visit some museums.Step 8 Further reading Read the passage to pick out the useful expressions. (1)used to 过去常常 (2)change schools 转学 (3)the latest equipment 最新的设备 (4)four times a term 每学期四次 (5)make a discovery 作出发现 (6)many first-class scientists 许多一流的科学家 (7)win the Nobel Prize 获得诺贝尔奖 (8)be proud of
75、为而自豪 (9)become more and more interested in 对变得越来越感兴趣 (10)be supposed to have good Physics Departments 应有好的物理系 Step 9 Writing Read the passage again. Suppose you are the boys father. Write about your sons new school and his school lessons. You may begin like this: Marks feeling about science has comp
76、letely changed. It is all because of the new school he is attending. Step 10 Summary Ask the Ss to turn to P50.Look at the Module File. Say in this module you have learnt: .Ask them to learn to use the words and expressions. Step 11 The design of the writing on the BlackboardModule 5A Lesson in a La
77、bThe Fifth PeriodDiscussion:What can you suggest to the school?(1)used to 过去常(2)change schools 转学(3)the latest equipment 最新的设备(4)four times a term 每学期四次(5)make a discovery 作出发现(6)many first-class scientists 许多一流的科学家(7)win the Nobel Prize 获得诺贝尔奖(8)be proud of 为而自豪 (9)become more and more interested i
78、n 对变得越来越感兴趣(10)be supposed to have good Physics Departments 应具有好物理系Step 12 Activity and InquiryTask: Activity 3 Write about your experiment using these headings: Aim Equipment Method Result ConclusionStepsStudents ActingTeachers Organizing1Let the students know what to do.Read the intructions to mak
79、e sure what they should do2Read Text B again.Have the students read Text B3Write about the experiment using the headings.Ask the students to write about the experiment using the headings.4Read out their experiment notes two or three pairs.Get some students to read out their experiment notes. Detaile
80、d Explanations to the Exercises: Grammar: 1.1c2f3e4b5a6g7d 2.1 eleven times larger 2 five times further 3 twenty times bigger 4 half as big as 5 as big as Sample answers: Saturn is ten times larger than Earth. Saturn is about twice as far from the sun as Jupiter. Jupiter is eleven times bigger than
81、Earth. Earth is twice as big as Mars. Jupiter has nearly as many moons as Saturn. 3.1 healthier, longer2 more, less 3 warmer and warmer4 bigger and bigger5 more, more 4.1 a bit 2 a lot 3 rather 4 a little Vocabulary 5. Studentsown answers. 6.1 Gas: steamoxygenair 2 Solid: glassironmetalsaltsteel 3 L
82、iquid: oilwater 7.boil waterBunsen burnercotton woolNobel Prizescientific experimenttest tube 8.1 method2 aim3 apparatus4 Gravity5 electricity6 conclusion, results 7 balance8 heat9 expands10 boil 9.1b2b3c4b 10.Summary 3从倒数第三、四段可知是一个叫Paul的学生误拿了丙烯酰胺试剂,烧出呛人的味道。 11.1 Baking soda and hydrochloric acid. 2
83、 Salt. 3 By making the mixture hotter. 4 He used the wrong liquid. 5 Because there was no label on the bottle.从倒数第四段右栏一、二两行可看出。 6 It formed a thick cloud of white gas. 由倒数第三段最后一句可知。 7 Because the liquid was acrylamide and the gas was poisonous.从倒数第二段最后一句可知。 8 Never to leave a bottle without a label
84、in the chemistry lab. 从倒数第四段可知。 12 Students own answers. 13&14 The aim is to write a secret message. 1b squeeze a lemon and put the juice into a container 2f dip your pen into the juice 3a write your message on a piece of paper 4g blow on the paper to dry the lemon juice 5e light a candle 6c heat the paper in the candle flame 7d the message appears when the juice reacts with oxygen and produces brown oxide
