高中英语 Module 5 2nd period教案 外研版必修1

用心 爱心 专心1 TheThe SecondSecond PeriodPeriod TheThe GeneralGeneral IdeaIdea ofof ThisThis Period Period In this period we re going to read a passage on the reaction of metals TeachingTeaching Aims 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 TeachingTeaching ImportantImportant Points Points 1 Train the students reading ability 2 Get the Ss to understand the reading text TeachingTeaching DifficultDifficult Point Point How to improve the students reading ability TeachingTeaching Methods Methods 1 Individual pair work to make every student work in class 2 Fast reading and careful reading to understand the passage correctly TeachingTeaching Aids Aids 1 a tape recorder 2 a projector 3 a multimedia computer TeachingTeaching Procedures Procedures Step 1 Greetings and lead in 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 first 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 conclusion aim result method T Put the words into correct order aim method result conclusion Step 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 questions on the screen 1 What are the different uses of metals 2 What should we know when we use metals 用心 爱心 专心2 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 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 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 It s enough to have some common sense We d better leave them to the experts S I don t quite agree with 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 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 doesn t 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 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 before you use the machine 用心 爱心 专心3 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 fire fighting 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 metals 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 didn t 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 chemical 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 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 Blackboard Module 5 A Lesson in a Lab The Second Period react with react to a chemical substance What substance does it consist of put in order keep order obey orders say numbers in order in good order out of order Step 10 Activity and Inquiry StepsStudents ActingTeacher s Organizing 1Read through the examples and have the Get the students to repeat after the teacher 用心 爱心 专心4 class repeat them after the teacher 2Answer