111Module 5A Lesson in a Lab.The General Idea of This ModuleThis module mainly introduces scientific knowledge and the operation and report of basic experiments to students. Questions can often lead to inquiry and phenomenon usually makes people think deeply. Thus, students can voluntarily practice and seek the truth on their own. In this module, we are going to learn some commonly used vocabulary and sentence patterns about scientific experiments. In terms of grammar, were going to learn the expressing ways of Degrees of Comparison. Besides, students should also learn to use the forms of modifier of Degrees of Comparison. In pronunciation, students are asked to learn the intonation of general questions and special questions. At the same time, after learning this module, students are required to improve their abilities of listening, speaking, reading and writing as well as some strategies of learning.INTRODUCTION Some vocabulary on science and technology,experiments are enumerated(列舉) in this section.Three activities have been designed. Students ought to get familiar with the meanings of the useful words and expressions so that they can get ready for the study activities.VOCABULARY AND SPEAKINGThis part introduces vocabulary of numerals.Besides,five activities have been designed here for the students to distinguish and calculate the numbers and percentage.GRAMMAR 1In this part,we will learn degrees of comparison of the adjectives.It mainly deals with the expressing ways of multiple.READING AND VOCABULARYThis section leads to some words and useful expressions concerning the topic of this module.It also introduces oxide reaction of metals.The exercises designed according to the reading text enable the students to learn to use the relevant vocabulary by doing the exercises.VOCABULARYThis section supplies vocabulary on experimental apparatus and gives us the reading method of fractions.It also supplies us some relevant activities.LISTENING AND WRITINGThe listening material is a dialogue of teachers and students who are doing an experiment.It gives us the activity on relevant experiment as well.GRAMMAR 2This section mainly introduces three kinds of usage of degrees of comparison of the adjectives.PRONUNCIATIONIn this part,the students are required to master the intonation of general questions and special questions.EVERYDAY ENGLISHIn this part,the students shall learn several useful expressions of daily English.That is:“Where do we go from here?”“Keep the noise down.”“Youve got it.”“Its your turn.”“Go ahead!”FUNCTIONIn writing,the students are asked to grasp the use of first,next,after that,lastly and so on in a paragraph.They are also required to learn the usage of comma. CULTURAL CORNERThe students must learn the teaching conditions of senior high school education of Canada by reading this passage.TASKIt requires students to work in pairs.Furthermore,the students are asked to write an experimental report by recalling the experiments carried out in class and going over the content of reading.MODULE FILEThis section summarizes the words and expressions,grammar,pronunciation and everyday Egnlish learnt in this module.ThreeDimensional Goals1.Knowledge and skills(1)Be able to master the key vocabulary and read the text fluently.Get to know something about science and technology,experimental reports.(2)The students are required to understand and master the usage of tractions and degrees of comparison of adverbs.2.Process and methods(1)Learn independently,under the teachers guidance.Try to get to know knowledge concerning experiments on science and technology.(2)Inquiry and activity.Students are required to understand its importance of scientific knowledge.The students will be aroused the enthusiasm for observing and analyzing problems.3.Emotion and valuesThe materials in this part can help students change their attitude towards study and arouse their interest of learning so that they can form their own goals of study.Teaching Important PointsStudents should get to know some scientific knowledge and draw a conclusion by doing some experiments.Master relevant vocabulary and phrases and improve the students abilities of listening,speaking,reading and writing.Teaching Difficult PointHow to improve the students ability of writing effectively.Preparation of Teaching Aidsa tape recorder,multimedia,a computer and a slide projector.Teaching Timefive periodsThe first period:Introduction,Vocabulary and SpeakingThe second and the third period:Reading and VocabularyThe fourth period:Vocabulary,Listening and Writing,Grammar 12 The fifth period:Pronunciation Everyday English,Function and Cultural CornerThe First PeriodThe General Idea of This PeriodIn this period,we are going to learn to say some large numbers quickly and correctly. And we will learn to use some new words.Teaching Aims1.Learn and master the following:Learn the meaning of the following words:liquid,expand,contract,substance,mixture,oxygen,electricity. Learn to say the large numbers in English.2.Develop the students speaking ability by listening and speaking. Teaching Important Points1.Train the students abilities of listening and speaking.2.Enable the Ss to recognize the numbers,fractions and percentages. Teaching Difficult PointHow to improve the students speaking ability.Teaching MethodsIndividual and pair work.Teaching Aids1.a computer 2.a projector 3.the blackboardTeaching ProceduresStep 1 Greetings and Leadin T:Hello,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 液體expand 膨脹contract 收縮substance 物質(zhì)mixture 混合物oxygen 氧氣electricity 電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 through 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.bT:Now listen again and check your answers.Step 3 PracticeT:Put the words in pairs or groups individually.(The Ss work on their own.)T:Compare the answers in pairs.1.airoxygen2.contractexpand3.earthsunmoon4.gasliquidsolidStep 4 PracticeTeacher shows the words on the screen. Have the class repeat them.electricityironmetalsteelairglassT:Can you find these things in our classroom?(Further questions 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) can be manmade and naturally.Step 5 Vocabulary and speaking1.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 seventysix32 876thirtytwo thousand,eight hundred and seventysix432 876four hundred and thirtytwo thousand,eight hundred and seventysix2.Look and learn SB P42 Part 1By 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 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 eightythree.T:Great! What about the second?S:Its one hundred million.T:Good job! 3.Look and sayLook at the following big numbers and say them in English quickly.55 555655 5557 555 50587 555 500987 555 5001 000 000 0004.Listen and write T:Listen to the following numbers in English and write them down.three thousand,five hundred and fortysixthirtythree thousand,seven hundred and ninetysixfive hundred and twentytwo thousand,four hundred and eightyfivethree million,two hundred and thirtyfive thousandThe Ss write in the Arab letter. The teacher collects some of their work and shows it on the real object objector.5.Look at these fractions SB,P42 Part 2T: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?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 same 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 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 PracticeT:Work in pairs. Give your partner five sums. Use numbers over a million. Your partner must find the answers. Work out the answers and then say them in words.Step 7 Assignment1.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 555 expand655 555contract7 555 505substance87 555 500mixture987 555 500oxygen1 000 000 000electricityStep 9 Activity and InquiryStepsStudents ActingTeachers Organizing1The students are asked to use a mixture of percentages,additions and fractions,as in the previous activity.Then work outthe questions on their own first,but leave the answers off the paper they write the questions on.Ask the students to work out the answers 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 the students activity.3Take it in turns to ask and answer each others question.Ask the students to carry out the activity seriously.111