仁愛(ài)版九年級(jí)上冊(cè)英語(yǔ)Unit-4-Topic-1-Section-C課件市公開(kāi)課一等獎(jiǎng)省賽課獲獎(jiǎng)PP

Unit4AmazingScience

Topic1Whenwasitinvented?

SectionC

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

第2頁(yè)

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(yè)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(dòng)腦筋重新設(shè)計(jì)估值，評(píng)價(jià)，評(píng)定詳細(xì)第4頁(yè)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(yè)1bRead1aandputthesentencesinthecorrectplaces.

_______Carefulplanningisimportantintheinventionprocess.Thisisthetimetobrainstormforideasandtoevaluatethem._______Makeadetailed

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

Readandunderstand.第7頁(yè)1.Peopleusedthelightbulbswidelyinthepast.(改為被動(dòng)語(yǔ)態(tài)）Thelightbulbs___________________bypeopleinthepast.2.Wecanlaunchspaceshipstoexploreotherplanets.(改為被動(dòng)語(yǔ)態(tài)）Spaceshipscan_____________toexploreotherplanets.4.TheMP3playerwasdevelopedaround1998.(對(duì)劃線部分提問(wèn))________________theMP3player_______________?ExerciseswerewidelyusedbelaunchedWhenwasdeveloped第8頁(yè)SummaryWelearn:

1.Somewords:

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

2.Somephrases:

laughat，comecomeout，

theresultof…，noneof…3.Somesentences:Inventingisinterestingandexcitingandeveryonecanbeaninventor