英语必修一外研版Module 5 A Lesson in a Lab Period 2 Reading and Vocabulary

1、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】（

2、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

3、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

4、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:_

5、 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

6、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 suggesti

7、on? _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

8、 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

9、.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。

10、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 numb

11、ers _ 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】

12、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 poi