高中英语新课标外研版必修1教案25

1、Module 5 A Lesson in a Lab .The General Idea of This Module This 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

2、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, we re going to learn the expressing ways of Degrees of Comparison. Besides, students should also learn to use the forms of mod

3、ifier 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 strategi

4、es of learning.INTRODUCTION Some vocabulary on science and technology, experiments are enumerated列 举 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.VOCABULAR

5、Y AND SPEAKING 1 / 13 This part introduces vocabulary of numerals.Besides,five activities have been designed here for the students to distinguish and calculate the numbers and percentage.GRAMMAR 1 In this part, we will learn degrees of comparison of the adjectives. It mainly deals with the expressin

6、g ways of multiple.READING AND VOCABULARY This 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

7、the exercises.VOCABULARY This section supplies vocabulary on experimental apparatus and gives us the reading method of fractions. activities.LISTENING AND WRITING It also supplies us some relevant The listening material is a dialogue of teachers and students who are doing an experiment. well.GRAMMAR

8、 2 It gives us the activity on relevant experiment as This section mainly introduces three kinds of usage of degrees of comparison of the adjectives.2 / 13 PRONUNCIATION In this part, the students are required to master the intonation of general questions and special questions.EVERYDAY ENGLISH In th

9、is 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.“ It s your turn.“ Go ahead. ”FUNCTION In writing, the students are asked to grasp the use of first, next,after that, lastly and so on in a para

10、graph. They are also required to learn the usage of comma. CULTURAL CORNER The students must learn the teaching conditions of senior high school education of Canada by reading this passage.TASK It requires students to work in pairs. Furthermore, the students are asked to write an experimental report

11、 by recalling the experimentscarried out in class and going over MODULE FILE the content of reading.This section summarizes the words and expressions, grammar, pronunciation and everyday Egnlish learnt in this module.ThreeDimensional Goals 3 / 13 1.Knowledge and skills 1Be able to master the key voc

12、abulary and read the text fluently.Get to know something about science and technology, experimental reports.2The students are required to understand and master the usage of tractions and degrees of comparison of adverbs.2.Process and methods 1Learn independently, under the teacher s guidance. Try to

13、 get to know knowledge concerning experiments on science and technology.2Inquiry 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 values The materials in this part c

14、an 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 Points Students should get to know some scientific knowledge and draw a conclusion by doing some experiments. Master relevant vocabulary and ph

15、rases and improve the studentsabilities of listening, speaking, reading and writing.4 / 13 .Teaching Difficult Point How to improve the students ability of writing effectively.Preparation of Teaching Aids a tape recorder, multimedia, .Teaching Time five periods a computer and a slide projectorThe fi

16、rst 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 perio

17、d, we are going to learn to say some large numbers quickly and correctly. And we will learn to use some new words.Teaching Aims 1.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 E

18、nglish.2.Develop the studentsspeaking ability by listening and 5 / 13 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 abilit

19、y.Teaching Methods Individual and pair work.Teaching Aids1. a computer 2. a projector 3. the blackboardTeaching Procedures Step 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 expr

20、ess the numbers. First of all, on the screen.lets learn the new words. Show the new words 6 / 13 liquid 液体 expand 膨胀 contract 收缩 substance 物质 mixture 混合物 oxygen 氧气 electricity 电 OK. Please read the new words and find the Chinese meaning T: for each worD. The Ss read and look up the words in the voca

21、bulary 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 a

22、nswers.The Ss check the answers in pairs.1.a2.a3.a4.a5.b6.b7.banswers.T:Now listen again and check your Step 3 Practice T: Put the words in pairs or groups individually.The Ss work on their own. T: Compare the answers in pairs. 1.airoxygen2.contractexpand 3.earthsunmoon4.gasliquidsolid 7 / 13 Step 4

23、 Practice Teacher shows the words on the screen. Have the class repeat them.electricity iron metal steel air glass T: Can you find these things in our classroom. Further questions for them to answerWhich of the above are natural. Which are manmade. Which can be both. T: Work in pairs or groups.Call

24、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 speaking 1. Look at the numbers.Show these numbers on the screen. As

25、k them to say the numbers. The English expression will be given when a student makes the answer.76 seventysix876 eight hundred and seventysix2876 two thousand, eight hundred and seventysix32 876 thirty two thousand, eight hundred and seventysix432 876 four hundred and thirty two thousand, eight hund

26、red and seventysix 2.Look and learn SB P42 Part 1 “ million” .By this time,the Ss should know the meaning of T:Read the numbers. And find the two mistakes.This is a good time the Ss learn how to say the large numbers. The 8 / 13 teacher walks around the class and offers help when necessary. S: I ve

27、found the errors. The first two numbers are misread. T: You re right. But how can you say the numbers. S: The first one should be fifty two 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 s

28、ayLook 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 fortysixthirty three thousand, seven hundred and ninetysi

29、x9 / 13 fivefive hundred and twentytwo thousand, four hundred and eightythree 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

30、 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: I ll try. One third is the same as 33.33%.S: Fourfifths is the same as 80%.S: Onete

31、nth is the same as 10%.S: Threequarters is the same as 75%.S: One half is the same as 50%.10 / 13 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

32、83.33%.T: Good. Your mathematics is excellent. 6. Practice T: Let s 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.13 000 000 248 046 000 350 000 000 4265 693 096 5750 375 000 680 000 000 Step 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 then say them in words.