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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,Re
3、ad 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
4、 zinc 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
5、 correct 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 th
6、e first 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
7、 _ does 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
8、the news. 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
9、弄清在普通水中，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 ch
10、ilds temperature 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
11、,1add .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
12、展全析考点,The 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。
13、 (鲜活例句)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
14、to keep 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，
15、分子用基数词， 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”，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
