1、Module 5 A lesson in a lab,Look at the pictures collected by our classmates. Do you know the name of these equipment？,test tube tongs balance,crucible beaker & glass rod Bunsen burner,Since you are interested in doing scientific experiments, now lets get to know some vocabulary and knowledge related
2、 to science and experiment.,Potassium（钾）,Sodium(钠),Calcium(钙),Magnesium(镁),Aluminium （铝）,Zinc（锌）,Iron（铁）,Copper （铜）,Read the passage as quickly as you can and choose the best title for it .,The Different Uses of Metals The Reaction of Metals The Reaction of Metals with Oxygen,Reading Passage A,Read
3、the passage again and answer the following questions :,1. Which of the metals in the table reacts the most with oxygen and water?potassium, calcium and sodium 2. What happens when you heat calcium in oxygen ? It begins to form an oxide.,3. Which metals react with steam ? Magnesium, aluminium and zin
4、c 4. Does iron have a slow or fast reaction with steam? It has a slow reaction. 5. Does copper react with water? No, it doesnt .,conclusion, method, result, aim, apparatus,An Experiment Report 1. _: 2. _: 3. _:(1)(2)(3) 4. _: 5. _:,Aim,Apparatus,Method,Result,Conclusion,Put these words in the correc
5、t order.,1. Read the passage carefully and fill the chart on page 45. 2. Read the passage again and complete the sentences on page 46.,Passage B,cotton wool,nails,water,water,water,The nails havent rusted,The nails do not rust.,The nails rust.,Passage B:A Simple Scientific Experiment,1. In the first
6、 part of the experiment, the _ is dry ,not wet . 2. It shows that iron _ when the air is dry . 3. In the second part of the experiment, you must _ the water to make sure there is no _ in it .,air,does not rust,boil,air,4. You add _ to the water because this keeps _ out of it. 5. It shows that _ does
7、 not rust in water that has no _ in it .,some oil,air,nail,air,1. react vi.(化学)反应 (一)背诵佳句培养语感 (教材原句)When we use metals, it is important to know how they react with different substances, for example, water and oxygen. 当我们使用金属时，懂得它们与其他物质比如水和氧气怎样发生反应，这是很重要的。 (鲜活例句)Many people reacted angrily to the new
8、s. 许多人对这一消息表示愤怒。,(二)归纳拓展全析考点,Iron reacts with water and air to produce rust. 铁与水和空气起反应形成铁锈。 The students reacted the political system. 学生们反抗这项政治制度。 What was his reaction to your words? 他对你的话作何反应？,against,2. ordinary adj.普通的，平常的 (一)背诵佳句培养语感 (教材原句)To find out if iron rusts in ordinary water. 为了弄清在普通水中
9、，铁是否会生锈。 (鲜活例句)Today he came earlier, for it was not an ordinary day. 今天他来得早点，因为今天不是一个平常的日子。,(二)明辨易混失误防范 比较 ordinary, common, usual, normal,用ordinary, common, usual和normal填空 Rabbits and foxes are in the countryside. Housing prices in Beijing are out of reach for people. The doctor said the childs te
10、mperature was . The sweethearts in love meet once a week at the place.,common,ordinary,normal,usual,1a of 一种的混合物 2two 三分之二 3 the bottom of 在的底部 4add . . 往加入 5think 想象；考虑 6put . order 将按照顺序排列 7keep . 把关在外面 8find 弄清楚，弄明白 9the same 和一样 10 sure 确保；弄清楚,mixture,thirds,at,to,of,in,out of,out,as,make,1add .
11、to .往加入 (一)背诵佳句培养语感 (教材原句)Add some oil to the water. 往水中加入一些油。 (鲜活例句)The garden adds much beauty to the town. 花园为这个城镇增添了美丽。,(二)归纳拓展全析考点,2think of想象；考虑 (一)背诵佳句培养语感 (教材原句)It is hard to think of a world without metals. 很难想象一个没有金属的世界。 (鲜活例句)The picture made me think of my past. 这幅画使我想起了过去。,(二)归纳拓展全析考点,T
12、he teacher thinks highly of him. 老师对他的评价很高。 Hed like more time to think things over. 他希望有更多的时间把情况考虑周全。 your English teacher? 你认为你的英语老师怎么样？,What do you think of,3put .in order把按顺序排列 (一)背诵佳句培养语感 (教材原句)The reaction of metals with these substances can be put in order. (不同的)金属与这些物质的反应程度可以按顺序排列 起来。 (鲜活例句)
13、Put everything in order before you leave the room. 离开房间前把所有的东西都整理好。,(二)归纳拓展全析考点,The names are listed in alphabetical order. 姓名是按字母顺序排列的。 The phone is again. 这电话又坏了。,out of order,4. keep .out of .使不进入 ；把关在外面 (一)背诵佳句培养语感 (教材原句)This will keep air out of the water. 这会将空气隔在水外。 (鲜活例句)I told my kid to keep
14、 out of trouble while I was away. 我告诉孩子在我外出时不要惹麻烦。,1Twothirds of the earths surface is water. 地球表面的三分之二是水。 (1)“分数/百分数of名词”作主语时，谓语动词的单复数与 of后的名词一致。 Onethird of these jobs are held by women. 这些工作有三分之一由女性担任。 Onethird of the water in the bottle was drunk by him. 瓶中三分之一的水是他喝的。,(2)分数表达法：在英语中，表示分数时，分子用基数词，
15、 分母用序数词；分子大于1时，表示分母的序数词要用复数，并且要在分子和分母之间加上连字符“”。 下面是一些特殊分数的表达： 1/2 a/one half 1/4 a/one quarter或a/one fourth 3/4 threequarters或threefourths Threequarters of the work . 四分之三的工作已经被做完了。,has been done,2It_is_hard_to_think_of a world without metals. 很难想象一个没有金属的世界。 (1)“It isadj.to do sth.”是一个常用句型，意为“做某事很”，
16、句中it是形式主语，动词不定式是真正的主语。 It is difficult to complete that task on time. 按时完成那项任务是很困难的。 how to work with others. 学会怎样与人共事是有好处的。,It is good to learn,(2)It isadj.for sb.to do sth.句型中的形容词是表示不定 式行为的性质和特点的形容词，常见的有：important，necessary, hard, easy, difficult等。 It is impossible for her to sleep on such a small
17、 bed. 她睡在这么小的床上是不可能的。,(3) “It isadj.of sb.to do sth.”句型中的形容词是表示人物性 格、品质的形容词，常见的有：right，wrong，brave，careful, kind, nice, polite, stupid, silly, wise, thoughtful, clever等。 to make so many mistakes in your composition. 在作文中出现那么多的错误你真是太粗心了。,It is careless of you,3Here_is_a_table with the metals that rea
18、ct most at the top, and the metals that react least at the bottom. 下面是一个表格，列于顶部的金属反应最强烈，下部的则最弱。 1)这是一个全部倒装句，正常语序是：A table with .is here. 英语中，在以here, there, in, out, up, down, away, back, now, then等副词开头的句子里，如果主语是名词，常用全部倒装，即把谓语部分全部提到主语前面。,Out rushed the boys. 男孩子们冲了出来。 Then followed three days of heav
19、y rain. 接下来下了三天大雨。 点津 here, there引起的句子中，当主语是代词时，不用倒装。 , hiding behind the door! 她在这儿呢，藏在门后面。,Here she is,2)全部倒装的其他两种情况： (1)当表示地点的介词词组位于句首时，为加强语气，常用 全部倒装形式。 South of the city lies a big steel factory. 城的南面是座大型钢厂。 (2)为了保持句子平衡或为了强调表语或状语，或使上下文紧密衔接时，需要全部倒装。 Gone are the days when we used foreign oil. 我们用
20、洋油的日子一去不复返了。,Complete the passage with proper words according to passage A and B,It is hard to think of a world without metals. Different metals have different uses, for example, iron can be used in _ equipment. But above all we should know whether it will _ under different conditions .,electrical,r
21、eact,Otherwise, it will keep the equipment from working well. As we all know, if iron is heated in oxygen, it will react slowly but will not form an _. On the other hand , if it is put together with water or _, there will a _ reaction. Next lets do an _ to support the above . First , get a test tube
22、 fillde with water and put it over the _ to _ for three minutes .,oxide,steam,partial,experiment,bunsen burner,boil,Then put three or four clean nails in the water with some oil added to it and leave the tube for one week . What happens? The iron does not _ in air-free water. Another experiment , if
23、 you put the nails in the tube with the air in it for one week, then what happens ? Iron rusts in _ water .,rust,ordinary,Read about an incident during a chemistry lesson and choose the best summary.,Reading on P93,A student didnt follow the instructions carefully . He took the wrong liquid from the
24、 cupboard and nearly poisoned the class . 2.The chemistry teacher was demonstrating an experiment when she heated a poisonous liquid . There was so much smoke that the students had to leave the room . 3. A student was doing a chemistry experiment when he accidentally heated the wrong liquid and caus
25、ed an incident in the laboratory .,Read the passage again and answer the questions :,1. What substances were they using ? Baking soda and hydrochloric acid 2. What substances were the students making ? Salt,3. How can they make the reaction quicker ? By making the mixture hotter. 4. What mistakes di
26、d Paul make? He used the wrong liquid .,5. Why did he make the mistake ? Because there was no label on the bottle . 6. What happened when Paul heated the liquid ? It formed a thick cloud of white gas.,7. Why did the teacher send the students out of the room? Because the liquid was acrylamide and the
27、 gas was poisonous . 8. What lesson did the incident teach the students and the teacher? Never to leave a bottle without a label in the chemistry lad .,If you want to do scientific experiments well, what qualities (品质) should you have in your opinion?,Possible answers: We should be careful / serious
28、 / diligent /patient /thoughtful/ etc.,Discussion,Learn the new words by heart. Read the passage A and B and try to retell it .,Assignments for you,(language points),镜头再现,The earth is forty-nine times larger than the moon . The more books I read, the more information I learn.,上面两个句子中重点强调的是比较级。这一语法现象
29、我们在初中已学过,现在我们对这一语法进行总结。,三种比较句型的转换： 1) A+be+four times +比较级than +B 2) A+be+four times+as+adj/adv+as +B 3) A+be+four times +the +N of B,The well is four times deeper than that one. = The well is four times as deep as that one. =The well is four times the depth of that one.,哪一些词可以来修饰比较级？ 1) much/rather
30、/a bit/a little/a lot/a great deal/any/ 2) 倍数、分数、百分数、小数 3) 一些名词,The weather in winter in Beijing is much colder than that in Shanghai. This book is 50% percent more expensive than that one. John is a head taller than I.,一个固定句型: the +比较级, the +比较级,1. The more often you stay with him, the better you w
31、ill find he is. 2. The faster we walk, the more likely we will be to catch the bus. 3. The more, the better. 4. The sooner, the better.,1. That doesnt sound very frightening, Paul. Ive seen _. What did you like most about the film ? A. better B. worse C. best D. worst,Choose the best,2. The number o
32、f people present at the concert was _than expected. There were many tickets left. A. much smaller B. much more C. much larger D. many more,3. He speaks English well indeed, but, of course , not_a native speaker. A. as fluent as B. more fluent than C. so fluently as D. much fluently than 4. It is rep
33、orted that the United States uses _energy as the whole of Europe. A. as twice B. twice much C. twice much as D. twice as much,5. Mary kept weighing herself to see how much _she was getting. A. heavier B. heavy C. the heavier D. the heavier,6. The house rent is expensive . Ive got about half the spac
34、e I had at home and Im paying _here. A. as three times much B. as much three times C. much as three times D. three times as much,7. Our neighbour has_ ours. A. as a big house as B. as big a house as C. the same big house as D. a house the same big as,8. As far as I am concerned, education is about l
35、earning and the more you learn, _. A. the more for life are you equipped B. the more equipped for life you are C. the more life you are equipped for D. you are equipped the more life,镜头再现,The reaction of metals with these substances can be put in order . In order /in order /in the order of /out of o
36、rder,1. 在图书馆，图书通常是按作者姓氏的第一个字母顺序排列的。 In the library, books are usually put in the order of the first letter of the writers surname . 2. 他桌子上的书摆放整齐有序。The books on his desk are in order (orderly).,将下列句子翻译成英语,3. 请按照正确的顺序将下列单词排列。Please put the following words in the correct order . 4. 我们这次是按照年龄顺序而不是按照身高站
37、队。This time we stood in line in the order of age instead of in the order of height .,镜头再现,Half-fill a test tube with water . fill with = be full of 将下列句子翻译成英语 1. 请将这个瓶子装满水。Please fill the bottle with water . 2. 听到母亲的话,他顿时充满了自信。Hearing mothers words , he was filled with confidence immediately.,3. 他满脑
38、子都是知识, 但他不是一个书呆子。 His brain is filled with knowledge but he is not a bookworm . 4. 看到这个恐怖电影,这个女孩心中充满了恐惧。Seeing such a frightening film, the girl was filled with horror.,镜头再现,Add some oil to the water . addto/add to /addup/add up to 1. 毫无疑问这是火上浇油。There is no doubt that it is like adding oil to the fi
39、re . 2. 这些新建的公园增添了这个城市的美丽。 These newly-built gardens add to the beauty of the city .,3. 1到100 加起来总计是5050。1,2,3.and 100 adds up to 5050. 4. 把这些数字加起来然后告诉我结果。Add all these numbers up and tell me the result . 5. 8_5 is 13. A. add to B. added up to C. added up D. added to,镜头再现,This will keep air out of t
40、he water. keep out of /keep out /keepfrom / keep off /keep up with,Before you go to bed youd better close the doors and windows to _ thieves _. The fire is dangerous so you should _ the child _ the fire. Please _ the grass.,keep,out,keep,off,keep off,1. I had to walk faster than before so that I cou
41、ld _ him. 2. In winter we usually put on more clothes in order to _ the cold _. 3. I wonder what _ him _ attending the meeting yesterday.,keep up with,keep,out,kept,from,4. Youd better _ yourself _ their quarrel. It is none of your business. 5. Close the door please so that we can _ the heat _ the room .,keep,out of,keep,out of,Finish the exercises on grammar on page 43 and page 47.,Assignments for you,
