Module 5 Reading 课件- 高一上学期英语外研版必修一 .ppt

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1、Module 5 A lesson in a lab-By yuzhangActivation(Activation(启动）启动）A lab with some experiment tables What can you see in the picture?Can you name these substances?Potassium钾钾Construction(建构1）Sodium钠钠Magnesium镁镁Aluminium铝铝Calcium钙钙Zinc锌锌Iron铁铁Copper铜铜Can you remember them?Please match A with B.AMagnesi

2、um IronCalciumAluminiumCopperZincSodiumPotassiumBAlZnNaKFe Ca MgCuConsolidation(巩固)Passage ARead Passage A and choose the best title for it.p The Different Uses of Metalsp The Reaction of Metalsp The Reaction of Metals with OxygenConstruction(建构）1.It is hard to _(1.It is hard to _(想象想象)a world witho

3、ut _a world without _(金属金属).2.Different metals have different _(2.Different metals have different _(用途用途),for,for example,_(example,_(钢钢钢钢)is used in cars,and _(is used in cars,and _(铁铁)is used in is used in _.(_.(电器电器电器电器)3.When we use metals,it is important to know how they 3.When we use metals,it

4、 is important to know how they _(_(和和.发生反应发生反应)different _(different _(物质物质),for example,water and _(for example,water and _(氧氧).4.The _(4.The _(反应反应)of metals with these _ of metals with these _(物物质质)can _(can _(按顺序排列起来按顺序排列起来).5.Here is a table with the metals that _(5.Here is a table with the met

5、als that _(反应最反应最强烈强烈)at the top,and the metals that react least at the top,and the metals that react least _(_(底部）底部）.think ofthink ofmetalsmetalssteelsteelironironelectrical equipmentelectrical equipmentr react witheact withsubstancessubstancesoxygenoxygenreactionreactionsubstancessubstancesbe put

6、 in orderbe put in orderreact mostreact mostat the bottomat the bottomusesusesPassage A Fill in the blanksConsolidation(巩固)MetalMetal金属金属Heated in _Heated in _在有在有氧氧状态下加热状态下加热Reaction with water or Reaction with water or _与水或水与水或水蒸气蒸气的反应的反应_钾钾 Burns to form an Burns to form an _燃烧后生成燃烧后生成氧氧化物化物React

7、ing with cold waterReacting with cold water与冷水反应与冷水反应_钠钠_钙钙_镁镁Reacting with _Reacting with _与水与水蒸汽蒸汽反应反应_铝铝_锌锌_铁铁Reacts slowlyReacts slowly反应缓反应缓慢慢Partial reactionPartial reaction部分反应部分反应_铜铜Partial reactionPartial reaction部部分反应分反应No reactionNo reaction不反应不反应PotassiumPotassiumSodiumSodiumCalciumCalci

8、umMagnesiumMagnesiumAluminiumAluminiumZincZincIronIronCopperCopperoxideoxidesteamsteamoxygenoxygensteamsteamPassage A The Reaction of Metalwith oxygenwith waterwith steamPotassiumSodiumCalciumMagnesiumAluminiumZincPotassiumSodiumCalciumMagnesiumAluminiumZincWhich of the metals in the table reacts th

9、e most with oxygen?Which of the metals in the table reacts the most with water?Which of the metals in the table reacts the most with steam?Application(运用)_ is hard to think _a world without _ is hard to think _a world without metals.Different metals have_ metals.Different metals have_(difference)use

10、s,for example,steel _(difference)uses,for example,steel _(use)in cars,and iron is used in(use)in cars,and iron is used in _(electricity)equipment.When we _(electricity)equipment.When we use metals,it is _(importance)to use metals,it is _(importance)to know how they react _ different know how they re

11、act _ different substances,for example,water and oxygen.substances,for example,water and oxygen.The _(react)of metals with these The _(react)of metals with these substances can be put _ order.substances can be put _ order.Here is a Here is a table with the metals that react most at the table with th

12、e metals that react most at the top,and the metals that react _(little)top,and the metals that react _(little)at the bottom.at the bottom.Itofdifferentdifferentis usedis usedHave a test(高考语法填空高考语法填空)electricalelectricalimportantimportantwithreactioninin leastApplication(运用)How to describe a scientif

13、ic experiment:aimmethodresultconclusionapparatusPassagePassageB B A Simple Scientific Experiment A Simple Scientific Experiment Construction(建构）Passage B A Simple Scientific ExperimentA Simple Scientific ExperimentAimNails have Nails have not rustednot rusted1.Put.at.1.Put.at.2.Push.down2.Push.down.

14、3.Leave.3.Leave.MethodMethodResultResultConclusionConclusionto find out if iron rusts indry airair free-waterordinary water1.Half-fill1.Half-fill.with.with.2.Boil.2.Boil.3.Put.in.3.Put.in.4.Add.to.4.Add.to.5.Leave5.Leave1.Half-fill.1.Half-fill.2.Leave2.LeaveNails do not Nails do not rustrustNails ru

15、stedNails rustedIron does not Iron does not rustrustIron does not Iron does not rustrustIron rustsIron rustsConsolidation(巩固)A Simple _（科学）Experiment _（下文）is a _（描述）of a simple scientific experiment.It _（表明）us how iron reacts with air and with water._（目标）：to _（发现）if iron _（生锈）a)in _（干燥）air;b)in wate

16、r that has no air in it(_water);c)in ordinary water._(仪器):3 clean _(铁钉),_(试管),_(试管夹,)_(棉花),_(油),_本生灯（即煤气灯）ScientificBelowBelow descriptiondescriptionshowsshowsAimfind out rustsdry air-freeApparatusApparatusiron nailsiron nailstest tubestest tubestest tube holdertest tube holdercotton woolcotton wool

17、oiloilBunsen burnerBunsen burnerConsolidation(巩固)Iron in dry airIron in dry airMethodMethod：1.Put some _(1.Put some _(铁钉铁钉)at the at the bottom of a test tube.bottom of a test tube.2._ some cotton wool _ the 2._ some cotton wool _ the tube.tube.顺着顺着试管试管塞入塞入一些棉花；一些棉花；3._ the tube for one week.3._ the

18、 tube for one week.把把.放置放置ResultResult：After one week,the nails After one week,the nails _._.(未见生锈未见生锈)。_(结论结论)：Iron does not rust in dry air.Iron does not rust in dry air.iron nailsiron nailsPushPushdowndownLeaveLeaveConclusionConclusionhave not rustehave not rusted dConsolidation(巩固)Iron in air-fr

19、ee waterIron in air-free waterMethodMethod：1._ a test tube _ water.1._ a test tube _ water.在在.加一半加一半；2._ the water for three minutes.(this makes 2._ the water for three minutes.(this makes sure there is no air in the water)sure there is no air in the water)将将.烧开烧开3.Put _ clean nails in the water3.Pu

20、t _ clean nails in the water2到到3枚枚4._ some oil _4._ some oil _ the water.the water.在在.加加 This will _ air This will _ air out ofout of the water.the water.防止防止.进入进入5._ the tube for one week.5._ the tube for one week.放置放置ResultResult：The nails do not rust in The nails do not rust in _._.无空气水的试管无空气水的试管

21、ConclusionConclusion：Iron does not rust in air-free waterIron does not rust in air-free waterBoilBoilHalf-fillHalf-fillwithwithtwo or threetwo or threeAddAddtotoKeepKeepthe tube with air-free waterthe tube with air-free waterLeaveLeaveConsolidation(巩固)Iron in ordinary water Iron in ordinary water_方法

22、：方法：1.Half-fill a test tube with water 1.Half-fill a test tube with water and add two or three clean nailsand add two or three clean nails 2.Leave the for one week.2.Leave the for one week.。_结果：结果：The nails in the tube with ordinary The nails in the tube with ordinary water.water._结论：结论：Iron rusts i

23、n Iron rusts in ordinary waterordinary water.MethodMethodResultResultConclusionConclusionConsolidation(巩固)Read the passage A&B carefully and answer the following question.（高考题型）1.Which is the best title for the passage A?A.The Different uses of Metals B.The Reaction of Metals C.The Reaction of Metal

24、s with Water D.The Reaction of Metals with Oxygen2.According to Passage A,we know that is often used in cars,and is often used in electrical equipment.A.steel,copper B.iron,zinc C.steel,ironD.iron,copper3.Which metal doesnt react with water?A.Sodium B.Iron C.Copper D.Potassium BCCApplication(运用)4.Wh

25、ich metal reacts with steam?A.Calcium B.Zinc C.Copper D.Sodium 5.If you put a shovel(铁锨铁锨)in a damp place,it will there.A.rust B.form an oxide C.not rust D.keep the place dry 6.Iron rusts in .A.dry air B.air-free water C.ordinary air D.ordinary water 7.According to Passage B,we know that the“air-fre

26、e water”probably means .A.air with a lot of water B.air without water C.water with plenty of air D.water without air BADD.教材与语法填空教材与语法填空Metals are very 1._(importance)in the world.Different metals have different 2._(use).For example，steel 3._(use)in cars，and iron is used in 4._(electric)equipment.Wh

27、en we use metals，5._ is important to know 6._ they react with different substances，for example，water and oxygen.7._ reaction of metals with these substances can 8._ _(put)in order.Potassium，sodium，calcium，magnesium，aluminium and zinc react most,9._ iron and copper react 10._(little).importantusesis usedelectricalithowThebeputandleastApplication(运用)Have a test(高考语法填空高考语法填空)