高中英语 Module5 A Lesson in a Lab Period 2 Reading and Vocabulary导学案 外研版必修1.doc

【英语必修一外研版】module 5 a lesson in a lab ：period 2 reading and vocabulary【学习目标】知识与技能1. 学习与科学及实验有关的词汇并能够识记本课时的单词。2. 通过学习本课时使学生识记一些化学实验的相关词汇，有助于今后阅读一些相关文章，并能运用所学写一篇简单的科学实验报告。过程与方法：通过skimming, scanning以及detailed reading 了解文章内容，在阅读中识记一些重点词汇；学会捕捉阅读中的相关信息。 情感态度与价值观：培养对科学的热爱及实事求是的态度。【教学重难点】理解文章a和文章b的大意；让学生抓住表达实验步骤的关键词；训练学生阅读科普文章的阅读技巧。【self-study】（预习教材p44-p45）describe the stages of a scientific experiment. (实验目标)_ -(器具)_ -(方法)_ -(结果)_ -(结论)_词义搭配a bmagnesium aliron zncalcium naaluminium kcopper fe zinc ca sodium mgpotassium cu【further study】step i skimmingskim the passages a&b and choose the best title for the two passages:passage a passage b a. the different uses of metals b. the reaction of metals c. the reaction of metals with oxygen d. how iron reacts with air and waterstep ii scanning1. scan the passage a and answer the following questions:1) what should we know when we use metals?2) which metal reacts most with water, potassium or iron?3) what happens when you heat calcium in oxygen? 2. scan the passage b and fill in the table:stagesiron in dry airiron in air-free wateriron in ordinary waterstage a(starting experiment)stage b(1 week later)1.2.3.stage c (result)_ _【language points】1. the stages of a scientific experiment:aim:_ v. 瞄准，对准，以为目标 aim atapparatus: _method: _ result: _conclusion: _ 得出结论：draw/reach/come to a conclusion 下结论：make a conclusion 最后，总之：in conclusion【即学即用】翻译句子they came to the conclusion that its time chinese football should be regulated._ in conclusion，i would like to say how much i have enjoyed myself today._【选择】after a long discussion about the advantages and disadvantages of the plan，they finally came to a(n)_that it was practical.adecisionbopinion cconclusion dimpression 2. react v. n._react with与起(化学)反应react to对作出反应react against反对；反抗react on/upon对有影响【即学即用】翻译句子how did he react to your suggestion? _children tend to react against their parents by going against their wishes._iron reacts with water and air to produce rust._how do acids react on metals?_她对这消息的反应如何？_【选择】how did you react _ your fathers suggestion?i reacted strongly _ it.aon；tobon；withcagainst；with dto；against3. the reaction of metals with these substances can be put in order. 【译】_put in order “把按顺序排列”in order “井然有序的；状况良好的;按顺序” 。out of order 次序混乱，无序地例：she keeps the room in order. 她把房间整理得很好。my bicycle is in order. 我的自行车情况良好。【即学即用】翻译：我们需要把这些照片按顺序整理好。_4. burn to form an oxide.form vt & vi 形成，使组成，养成eg five players form a team.we young people should form good habits. _form (n.)形状，形式，表格fill in / out a form 填表in the form of 以的形式take the form of 采取形式【即学即用】help _money will be very helpful. 以钱的形式资助将会很有用。 4. leave the tube for one week.leave意为“放置, 不去动某物, 使处于某种状态” 。如：he went out, leaving the door open. .看以下例句，总结leave在句子中的不同含义。 1) leave the tube for one week. _2) im leaving changchun for beijing tomorrow. _3) there are five minutes left. _4) leave it to me. _5) he said that he had left his book in the classroom. _【即学即用】翻译：离开时，请将书放回原位。_.5. add some oil to the water.add to 往加入add to 增加add up to 共计，总共是add up 把.加起来1）these numbers _ 100. 这些数字合计是100。2) please _some sugar _ my coffee. 请往我的咖啡里加些糖。 3）_all the money i owe you . 把我应付你的钱都加在一起。4）the bad weather _the difficulties of our travel. 坏天气增加了我们旅行的难度。 4. this will keep air out of the water. 【译】_keep out of 使进不去，不让进入，把挡在外面【即学即用】this coat keeps out of the wind. _【self-check】try to describe the experiment iron in air-free water: aim: to find out _ apparatus: _ method: 1) _a test tube with water. 2) _the water for 3 minutes 3) put two or three nails in the water. 4) _some oil _the water, this will keep air_the water. 5) _the tube for one week. result: _conclusion: _【homework】1. dont leave the water _ when you brush your teeth.a. run b. running c. being run d. to run2. i hope youd better _ trouble while i am away. or nobody can help you.a. keep out of b. keep up c. leave off d. leave out of3. it is still too early to reach a _ on this po