仁愛版九年級上冊英語Unit-4-Topic-1-Section-C課件市公開課一等獎省賽課獲獎PP

Unit4AmazingScience

Topic1Whenwasitinvented?

SectionC

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

第2頁

Workingroupsanddiscussthequestionsbeforereading.Whatisan

invention?

inventionn.創(chuàng)造，創(chuàng)造

inventv.創(chuàng)造，創(chuàng)造

inventorn.創(chuàng)造者，創(chuàng)造家

Aninventionmaybeanewproductoranewwayofdoingthings.第3頁inventioncrayonthoughtsillybrainstormevaluateredesigndetailed愚蠢，傻創(chuàng)造，創(chuàng)造彩色鉛筆想法，看法，主意集思廣益，動腦筋重新設(shè)計估值，評價，評定詳細(xì)第4頁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頁1bRead1aandputthesentencesinthecorrectplaces.

_______Carefulplanningisimportantintheinventionprocess.Thisisthetimetobrainstormforideasandtoevaluatethem._______Makeadetailed

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

Readandunderstand.第7頁1.Peopleusedthelightbulbswidelyinthepast.(改為被動語態(tài)）Thelightbulbs___________________bypeopleinthepast.2.Wecanlaunchspaceshipstoexploreotherplanets.(改為被動語態(tài)）Spaceshipscan_____________toexploreotherplanets.4.TheMP3playerwasdevelopedaround1998.(對劃線部分提問)________________theMP3player_______________?ExerciseswerewidelyusedbelaunchedWhenwasdeveloped第8頁SummaryWelearn:

1.Somewords:

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

2.Somephrases:

laughat，comecomeout，

theresultof…，noneof…3.Somesentences:Inventingisinterestingandexcitingandeveryonecanbeaninventor