1、Module 5 A Lesson In A LabReading a laboratoryscientific experimentsbalanceBunsen burner test tubetongscruciblebeaker&glass rodapparatusPotassium（钾）substancesSodium(钠)Calcium(钙)Magnesium(镁)Aluminium（铝）Zinc（锌）Iron（铁）Copper（铜）Listen and choose the best titleThe Different Uses of MetalsThe Reaction of
2、MetalsThe Reaction of Metals with Oxygen1.Different metals have different uses.2.The reaction 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.TFTFFskimming1.Which of the metal
3、s in the table reacts the most with oxygen and water?2.What happens when you heat calcium in oxygen?3.Which metals react with steam?4.Does iron have a slow or fast reaction with steam?5.Does copper react with water?Careful reading Which of the metals in the tables reactsthe most with oxygen and wate
4、r?_ What happens when you heat calcium In oxygen?_Potassium,calcium and sodium.It burns to form an oxide.Careful reading3.Which metals react with steam?_ Does iron have a slow or fast reaction with steam?_ Does copper react with water?_Magnesium,aluminium and zinc.It has a slow reaction.No,it doesnt
5、.How we can carry out a chemical experiment in a lab successfully?And what is the correct order to describe a scientific experiment?_ _ _ aimmethodresultconclusionPassage B_cotton woolnailswaterwaterwaterIron does not rust.Iron does not rust.Iron rusts.Passage B:A Simple Scientific ExperimentActivit
6、y 5 on page 461.In the first part of the experiment,the _ is dry,not wet.2.It shows that iron _ when the air is dry.airdoes not rust3.In the second part of the experiment,you must _ the water to make sure there is no _ in it.You add _ to the water because this keeps _ out of it.It shows that _ does
7、not rust in water that has no _ in itboilairsome oilairairnailBelow is a description of a simple scientific _,which shows us how _ reacts with air and with water.The _ of the experiment is to find out if iron _ in dry air;in _ water,in _ water.After the different stages of the experiment,we can reac
8、h a _ that iron does not rust in dry air or air-free water,but rusts in ordinary water.ironaimrustsair-freeordinaryconclusionexperimentSummary Q.What Alice do during the day on the train journey?During the day,I sat and looked out of the window,and sometimes talked to other passengers.(Line 2,Para.3
9、)look out,look back,look down on/upon,look forward to,look into,look on,look on/upon.as1.The government has set up a working party to _the problem of drug abuse.2._!There is a car coming!3.Im _ receiving your reply as soon as possible.4.Most of us _ his promise with complete disbelief.5.I wish you w
10、ouldnt _ this kind of work.6.I _ on the days at school as the happiest time of my life.look intoLook outlooking forward tolook onlook down upononlook onQ.Why is the train called the Ghan?(Line 7,Para.4)A hundred and fifty years ago,they brought some camels from Afghanistan.Ghan is short for Afghanis
11、tan.be short for e.g.“pub”是“public house”的缩写。The word“pub”is short for“public house”.be short of e.g.他们好像不缺现金。They dont seem to be short of cash.e.g.What is FIFA _ _?The International Federation of Association Football French:Fdration Internationale de Football Association-Im _ _ money this week.Can
12、 you lend me some?-Sorry.Im rather short myself.short forshort of1.Do you think it is easy or difficult for you to carry out a scientific experiment well?And can you describe how to do it successfully in simple words?2.If you want to learn science subjects well,what qualities do you think you should have?Why?3.Describe one scientific experiment you did that impressed you very much.Discussion