2013-2014学年高中英语（外研版必修一）优质教学课件：MODULE 5 INTRODUCTION .ppt

1、Module 5 A Lesson in a LabIntroduction&Reading and Vocabulary（）1.Learn some new words and phrases about science.2.Learn some knowledge about science.3.To improve students reading skills.4.Learn to write a science report.Whats this？beaker&glass rodtongsmicroscopelablabDo you know their names?alcohol

2、burneralcohol burner酒酒精精灯灯beakerbeaker烧杯烧杯dissolvebalanceBunsen burnertest tubetest tube煤气喷灯（本生灯）煤气喷灯（本生灯）坩坩坩埚埚埚试试管管天天平平crucibleGive the following things their correct names1.Crucible 2.Beaker3.Achohol burner 4.Test tube5.Tongs6.Nail7.Glass rod坩埚烧杯酒精灯试管小钳子钉子玻璃棒solid/liquid/gasWhat are the three stat

3、es of matter?Put these words into three groups:air，glass,iron,metal,oil,oxygen,salt,steam steel,water1.Gas:2.Solid:3.Liquid:air,oxygen,steamglass,iron,metal,salt,steeloil,waterPut words in the right place.Put words in the right place.naturalnaturalman-mademan-madebothbotheelectricity iron some metal

4、s airlectricity iron some metals airsteel some metals glasssteel some metals glasselectricity some metals electricity some metals Which of the above are natural?Which are man-made?Which can be both?electricity iron metal steel air glass Lead-in:Match names of metals to picturesTask:Say something abo

5、ut these metals.popotatassiumssiumsodiumsodiumcalciumcalciummagmagnenesiumsiumalualumiminiumniumzinczincironironcoppercopperListen to the passage and choose the best title for it.The Different Uses of Metals The Reaction of MetalsThe Reaction of Metals with Oxygen Passage AListeningRead the passage

6、quickly and put the following metals in the right order according to Passage A.52 7 4 6 1 31.zinc 2.sodium 3.copper 4.magnesium 5.potassium 6.aluminium 7.calciumFast readingDecide whether these statements are true or false according to Passage A.1.Different metals have different uses.2.The reaction

7、of metals with different substances is the same.3.Magnesium can form an oxide when heated in oxygen.4.Iron reacts with cold water.5.Copper reacts most when heated in oxygen.TFFFTPlease read Passage A very carefully to find out the answers to the following questions.Which of the metals in the table r

8、eacts the most with oxygen and water?_ What happens when you heat calcium in oxygen?_Potassium,sodium and calcium.It burns to form an oxide.Careful reading 3.Which metals react with steam?_ Does iron have a slow or fast reaction with steam?_ Does copper react with water?_Magnesium,aluminium and zinc

9、.It has a slow reaction.No,it doesnt.1.For what purpose does the author show the table?(within 10 words)Read the passage again and answer the following questions:To show how different metals react with differentsubstances.2.Which sentence in Passage A can be replaced by the following one?Using metal

10、s,we should know how the metals change when theyre mixed with other substances.When we use metals,it is important to know how they react with different substances.3.Translate the following sentence into Chinese.Here is a table with the metals that react most at the top,and the metals that react leas

11、t at the bottom.这里有一个表格,反应强的金属在上面,反应弱的在下面。Task:Write an experiment reportPassage BCan we put iron nails in wet air?rustWhat changes take place?A Simple Scientific Experiment1._:_2._:_3._:.(1)(2)(3)4._:5._:B.aimB.aimD.methodD.methodA.resultA.resultC.conclusionC.conclusionE.apparatusE.apparatus3 clean

12、 iron nails;test tubes;test tube holder;cotton wool;oil;Bunsen burnerTo find out if iron rusts(a)(b)(c)Task:Put the stages in the correct ordercotton woolcotton woolnailsnailswaterwaterwaterwaterwaterwaterThe nails The nails haventhavent rusted.rusted.The nails doThe nails donot rust.not rust.The na

13、ils rust.Task:Listen to the audio,and then fill in the table.Iron doesnt Iron doesnt rustrust in dry air.in dry air.Iron doesnt rustIron doesnt rust in air-free in air-free waterwater.Iron rusts in Iron rusts in ordinary ordinary waterwater.ConclusionConclusionPlease read Passage B quickly to find o

14、ut the answers to the questions.Careful reading1.What is there on the surface of the water in the test tube?There is oil on the surface of the water in the test tube.2.What is the use of the oil?The oil can keep air out of the water.3.What is the use of the cotton wool in the test tube?The cotton wo

15、ol can keep air dry.4.Why are the nails in the test tube with ordinary water rusty?Because nails react with oxygen in the water.Aim ApparatusMethodResultConclusionTo find out if.Iron nails,test tubes,oil,test tube holder,cotton wool,Bunsen burnerAfter a week,rust(not)rust in.(1)put.at the bottom of,

16、push.down;leave.for(2)half-fill.with.,boil,put,add.to,keep.out of,leave.for(3)half-fill.with,add,leave.forExercise in class:Finish the following sentences.1.In the first part of the experiment,the _ is dry,not wet.2.It shows that iron _ when the air is dry.airdoes not rustPost-reading3.In the second

17、 part of the experiment,you must _ the water to make sure there is no _ in it.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 oilairnailairboilairComplete the sentences using what we have learnt:In the first part of the experi

18、ment,the _ is dry.It shows that iron _ in dry air.In the second part,you must _ the water to _ that there is no air in it._ some oil to the water can _ air out of it.It shows that _ dont rust in _water.In the third part,_ a tube with water.It shows that they rust in _ water.airboilmake suredoesnt ru

19、stAddingkeepnailsair-freehalf-fillordinaryDiscussion:1.Do you like doing scientific experiments?2.What should you pay attention to（注意）when you are carrying out an experiment（做实验）in a lab?你知道吗？What will happen when you put a nail in (1)dry air?_.(2)air-free water?_.(3)ordinary water?_.Describe a science experiment using what we have learnt this class.HomeworkActivity is the only road to knowledge.行动是通往知识的唯一道路。