外研版英语必修1module5reading课件(共53张)学习资料.ppt

Module 5 Module 5 A lesson in a lab A lesson in a lab Module 5Module 5A lesson in a lab A lesson in a lab 第一页，共53页。第二页，共53页。Look at the pictures.Do you know the names of the equipment？test tube tongs balance crucible Bunsen burner 第三页，共53页。potassium （钾）（钾）Lets get to know some metals?第四页，共53页。sodium(钠钠)calcium(钙钙)magnesium(镁镁)第五页，共53页。aluminum（铝）（铝）zinc（锌）（锌）iron（铁）（铁）copper（铜）（铜）第六页，共53页。Do you know how we can carry out an experiment successfully?第七页，共53页。What is the correct order to describe the stages of a scientific experiment?aimmethodresultconclusion第八页，共53页。Passage Aelectrical adj.用电的，与电有关的用电的，与电有关的electricity n.电电equipment n.设备，装备设备，装备react vi.（化学）反应（化学）反应reaction n.反应反应oxide n.氧化物氧化物steam n.蒸汽蒸汽(zhn q)，水气水气第九页，共53页。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 Passage A第十页，共53页。Read 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 sodium2.What happens when you heat calcium in oxygen?It begins to form an oxide.第十一页，共53页。3.Which metals react with steam?Magnesium,aluminium and zinc4.Does iron have a slow or fast reaction with steam?It has a slow reaction.5.Does copper react with water?No,it doesnt.第十二页，共53页。Read the passage carefully and fill the chart on page 45.Read the passage again and complete the sentences.Passage B第十三页，共53页。Passage B Whats happening to the nail in the pictures?Pre-reading:第十四页，共53页。Read the passage and complete the table.cottonwoolnailsIron does not rust.waterIron doesnot rust.waterwaterIron rusts.第十五页，共53页。1.In the 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.airdoes not rustboilair第十六页，共53页。4.You add _ to the water because this keeps _ out of it.5.It shows that _ does not rust in water that has no _ in it.some oilairnail air第十七页，共53页。Complete the passage with proper words according to passage A and BIt is hard to think of a world without metals.Different metals have different metals have different uses,for example,iron can be used in _ equipment.But above all we should know whether itelectrical第十八页，共53页。will _ under different conditions 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 _.reactoxide第十九页，共53页。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 filled with water and put it over the _ to _ for three minutes.steampartialexperimentbunsen burnerboil第二十页，共53页。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 you put the nails in the tube with the air in it for one week,then what happens?Iron rusts in _ water.rustordinary第二十一页，共53页。Read about an incident during a chemistry lesson and choose the best summary.Reading on P93第二十二页，共53页。1.A student didnt follow the instructions carefully.He took the wrong liquid from the 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.第二十三页，共53页。3.A student was doing a chemistry experiment when he accidentally heated the wrong liquid and caused an incident in the laboratory.第二十四页，共53页。Read the passage again and answer the questions:1.What substances were they using?Baking soda and hydrochloric acid2.What substances were the students making?Salt 第二十五页，共53页。3.How can they make the reaction quicker?By making the mixture hotter.4.What mistakes did Paul make?He used the wrong liquid.第二十六页，共53页。1.Why did he make the mistake?Because there was no label on the bottle.2.What happened when Paul heated the liquid?It formed a thick cloud of white gas.第二十七页，共53页。3.Why did the teacher send the students out of the room?Because the liquid was acrylamide and the gas was poisonous.4.What lesson did the incident teach the students and the teacher?Never to leave a bottle without a label in the chemistry lad.第二十八页，共53页。1.Learn the new words by heart.2.Read the passage A and B and try to retell it.Assignments for you 第二十九页，共53页。(language points)(language points)第三十页，共53页。镜头镜头(jngtu)再现再现1.The earth is forty-nine times larger than the moon.2.The more books I read,the more information I learn.上面两个句子上面两个句子(j zi)中重点强调的是比中重点强调的是比较级。这一语法现象我们在初中已学过较级。这一语法现象我们在初中已学过,现在我们对这一语法进行总结。现在我们对这一语法进行总结。第三十一页，共53页。三种比较三种比较(bjio)句型的转换：句型的转换：1)A+be+four times+比较比较(bjio)级级than+B2)A+be+four times+as+adj/adv+as+B3)A+be+four times+the+N of BThe 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.第三十二页，共53页。哪一些哪一些(yxi)词可以来修饰比较级？词可以来修饰比较级？1)much/rather/a bit/a little/a lot/a great deal/any/2)倍数、分数、百分数、小数倍数、分数、百分数、小数3)一些一些(yxi)名词名词第三十三页，共53页。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.第三十四页，共53页。一个一个(y)固定句型固定句型:the+比较级比较级,the+比比较级较级The more often you stay with him,the better you will find he is.The faster we walk,the more likely we will be to catch the bus.The more,the better.The sooner,the better.第三十五页，共53页。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第三十六页，共53页。2.The number of 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第三十七页，共53页。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 reported 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第三十八页，共53页。5.Mary kept weighing herself to see how much _she was getting.A.heavier B.heavy C.the heavier D.the heavier 第三十九页，共53页。6.The house rent is expensive.Ive got about half the space 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 第四十页，共53页。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 第四十一页，共53页。8.As far as I am concerned,education is about learning 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 第四十二页，共53页。镜头镜头(jngtu)再现再现The reaction of metals with these substances can be put in order.In order/in order/in the order of/out of order 第四十三页，共53页。1.在图书馆，图书通常是按作者姓氏的在图书馆，图书通常是按作者姓氏的第一个字母第一个字母(zm)顺序排列的。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。他桌子上的书摆放整齐有序。The books on his desk are in order(orderly).将下列将下列(xili)句子翻译成英语句子翻译成英语第四十四页，共53页。3.请按照正确的顺序将下列单词排列请按照正确的顺序将下列单词排列(pili)。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我们这次是按照年龄顺序而不是按照身高站队。高站队。This time we stood in line in the order of age instead of in the order of height.第四十五页，共53页。镜头镜头(jngtu)再现再现Half-fill a test tube with water.fill with=be full of将下列句子翻译成英语将下列句子翻译成英语1.请将这个瓶子装满水。请将这个瓶子装满水。Please fill the bottle with water.2.听到母亲的话听到母亲的话(dehu),他顿时充满了自信。他顿时充满了自信。Hearing mothers words,he was filled with confidence immediately.第四十六页，共53页。3.他满脑子都是知识他满脑子都是知识,但他不是但他不是(b shi)一一个书呆子。个书呆子。His brain is filled with knowledge but he is not a bookworm.4.看到这个恐怖电影看到这个恐怖电影,这个女孩心中充满了这个女孩心中充满了恐惧。恐惧。Seeing such a frightening film,the girl was filled with horror.第四十七页，共53页。镜头镜头(jngtu)再现再现Add some oil to the water.addto/add to/addup/add up to 1.毫无疑问这是火上浇油毫无疑问这是火上浇油(hu shng jio yu)。There is no doubt that it is like adding oil to the fire.2.这些新建的公园增添了这个城市的美丽。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.第四十八页，共53页。3.1到到100 加起来总计是加起来总计是5050。1,2,3.and 100 adds up to 5050.4.把这些数字加起来然后告诉把这些数字加起来然后告诉(o s)我我结果。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 第四十九页，共53页。镜头镜头(jngtu)再现再现This will keep air out of the water.keep out of/keep out/keepfrom/keep off/keep up with1.Before you go to bed youd better close the doors and windows to _ thieves _.2.The fire is dangerous so you should _ the child _ the fire.3.Please _ the grass.keepoutkeepoffkeep off第五十页，共53页。1.I had to walk faster than before so that I could _ 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 keepoutkeptfrom第五十一页，共53页。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.keepout of keepout of第五十二页，共53页。Finish the exercises on grammar on page 43 and page 47.Assignments for you第五十三页，共53页。