仁爱版九年级上册英语Unit-4-Topic-1-Section-C课件市公开课一等奖省赛课获奖PP

Unit4AmazingScience

Topic1Whenwasitinvented?

SectionC

第1页InventionInventorYearcarKarlBenz1885telephoneAlexanderGrahamBell1876TVJohnBaird1926ReviewA:Whenwasthecarinvented?B:Itwasinventedin1885.A:Whowasthecarinventedby?B:ItwasinventedbyKarlBenz.

第2页

Workingroupsanddiscussthequestionsbeforereading.Whatisan

invention?

inventionn.创造，创造

inventv.创造，创造

inventorn.创造者，创造家

Aninventionmaybeanewproductoranewwayofdoingthings.第3页inventioncrayonthoughtsillybrainstormevaluateredesigndetailed愚蠢，傻创造，创造彩色铅笔想法，看法，主意集思广益，动脑筋重新设计估值，评价，评定详细第4页A.Drawyourinvention.B.Nameyourinvention.C.Testyourinvention.D.Useyourimagination.

E.Plananddesignyourinvention.

1bRead1aandputthesentencesinthecorrectplaces.

___Youcanhavewildandcrazy

thoughts.Rememberthatnoideaistoosilly.ManypeoplelaughedattheWrightbrothersandsaidtheywouldneverfly.Buttheyweren’tdiscouragedbywhatpeoplesaid.That’swhynowwehaveplanes.D想像力第5页1bRead1aandputthesentencesinthecorrectplaces.

_______Carefulplanningisimportantintheinventionprocess.Thisisthetimetobrainstormforideasandtoevaluatethem._______Makeadetailed

drawingofyourinventionsootherswillunderstandhowyourinventionworks.Makeamodelofyourinvention._______Seeifyourinventionworksasitisplanned.Ifnot,domoreresearch,redesignit,andtestitagain._______Everyinventionneedsaname.Shareyourinventionswithothers.EACB第6页1a

Readandunderstand.第7页1.Peopleusedthelightbulbswidelyinthepast.(改为被动语态）Thelightbulbs___________________bypeopleinthepast.2.Wecanlaunchspaceshipstoexploreotherplanets.(改为被动语态）Spaceshipscan_____________toexploreotherplanets.4.TheMP3playerwasdevelopedaround1998.(对划线部分提问)________________theMP3player_______________?ExerciseswerewidelyusedbelaunchedWhenwasdeveloped第8页SummaryWelearn:

1.Somewords:

invention,crayon,thought,silly,balloon,gun,robot,keyboard

2.Somephrases:

laughat，comecomeout，

theresultof…，noneof…3.Somesentences:Inventingisinterestingandexcitingandeveryonecanbeaninventor