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1、Module 5 A Lesson in a Lab,PART 1,技法点拨,PART 2,写作训练,Period Five WritingDescribing a simple scientific experiment,PART 1,技法点拨,文体分析 把握写作动脉,本模块的写作是学习描述一次实验报告。如何来设计实验、做实验和写实验报告呢? 1.此类写作要求从实验的目的、需要的器材、实验的步骤、实验的结果以及实验结论等方面,把实验的整个过程做详尽的叙述,让读者对所涉及的实验有一个完整的了解。 2.客观描述即可,不用发表个人见解。 3.时态使用一般现在时;介绍实验目的用不定式;介绍实验步骤用
2、祈使句。 4.描写实验常用词汇: 实验目的:aim,purpose,discover,if,happen,reaction,condition,degree,change,make sure,prove,find out,写作指导,实验器材:bottle,match,clamp(夹子),beaker(烧杯),test tube,alcohol lamp(酒精灯),thermometer(温度计) 实验步骤:tie,mix,add,put,light,keep,watch carefully,leave,heat,put into,give off,keep out of 实验结果:burn,v
3、iolently,heat,temperature,start,rise,rust 实验结论:conclusion,conclude,in a word,in conclusion,1.Below is a description of a simple scientific experiment. 2.It aims to show us. 3.To find out if.,we carried out this experiment. 4.Leave the tube for one week. 5.Boil the water for three minutes. 6.Put.at t
4、he bottom of the test tube. 7.Half-fill.with. 8.Put two or three nails in the water. 9.Add some oil to the water. 10.This will keep air out of the water.,常用表达,PART 2,写作训练,弄清文络 写作妙笔生花,化学课上学习了关于溶解的知识后,请你根据下表做一个化学实验,比较橘子汁和食用油在水中的溶解情况,然后用英语写一份实验报告,给出结论。,注意:词数100左右。,写作要求是写实验报告,写作时应注意下面几点: 1.确定文体:这是一篇实验报告
5、,一般按照实验步骤和顺序来写。 2.主体时态:文章应以一般现在时为主。 3.主体人称:实验报告要求客观描述实验目的、步骤、现象、结论等,不用发表个人见解,所以人称应该以第三人称为主。,审题谋篇,必备词汇 1.发现 _ 2.把倾倒在里面 _ 3.确保 _ 4.一勺 _ 5.同时 _,遣词造句,查看答案,find out,put/pour.into.,make sure,a spoonful of,at the same time,关键句式 1.Make sure the water level is equal in each tube. 确保两个试管内的水位相等。 2.Put a spoonf
6、ul of orange juice into one tube. 在一个试管内放入一勺橘子汁。 3.Put a spoonful of oil into the other. 在另一个试管内放入一勺油。,查看答案,句式升级 根据要求连接句2和句3。 1.Put a spoonful of orange juice into one tube, put a spoonful of oil into the other.(用并列句合并) 2.Put a spoonful of orange juice into one tube. ,put a spoonful of oil into the
7、other.(用meanwhile合并),and,Meanwhile/In the meanwhile,用适当的过渡词语,把以上词汇和句式,再加上联想内容,组成一篇100词左右的英语短文。,组句成篇,查看答案,Aim:To find out whether oil and orange juice dissolve in water or not. Apparatus:test tubes;spoons Method:(1)Pour water into two test tubes.Make sure the water level is equal in each tube. (2)Put
8、 a spoonful of orange juice into one tube,and put a spoonful of oil into the other at the same time. (3)Leave the tubes for five minutes. Result:Five minutes later,the orange juice has dissolved,but the oil remains on the surface. Conclusion:Orange juice dissolves in water quickly while oil doesnt.,