河南省南乐县张果屯乡中学九年级英语《Unit9Whenwasitinvented:Period1》教案人教新目标版Learninggoals1.Learntotalkaboutthehistoryofinventions2.Learntorememberinformationusingmind-mapping3.LearntouseimaginationtoinventthingstodealwithproblemsanddoroleplaysPeriod1Step1Lead-inT:Goodmorning/afternoon,boysandgirls.Thisweekwewillbeginanewunitaboutinventions.Youcanseeinventionsallaroundus,fromTVtocar,fromfoodtoclothing.Weshouldsaynobodycanlivewithoutthem.Don’tyouthinkso?Canyouimagineonedaywithoutinventions?Ss:That’simpossible.T:Yes,weliveinaworldofinventions.Theseinventionsmakeourlifeeasierandmorecomfortable.Inthisunit,wewilllearnsomeinventionsandtheirhistory.First,let’sgettoknowsomenewwords.Step2CardGameAskthestudentstoplayacardgametohelpthemrememberthenewvocabularyofthisunit.T:Closeyourbooks.Herearesomecards.OneachcardthereisawordwithEnglishspelling.WhenIholdupacard,youmusttellmewhatitmeansinChinese,howtoreaditandsomewordsrelatedtoit.Areyouclear?Showthecardstothestudentsonebyone.Correcttheirmistakesinpronunciationandunderstanding.…Step3PracticethenewvocabularyAskthestudentstoexplainintheirownwordsthewordsinSectionAintheworkbook.T:Verygood.PleaseturntoSectionAofworkbook,thefirstpart.Discussthesewordsingroupsandexplaintheirmeaningsinyourownwords.Sampleanswers:S1:Invent:Therewasnotsuchathingintheworld.Someonemadeitandthenthereissuchathing.Sowecansaysomeoneinventedit.S2:Discover:Thereisathing.Butpeopledon’tknowitorfewpeopleknowit.Someonefinditandmakeitknowntopeople.Wecansaysomeonediscoversit.S3:Scoop:Whenitisanoun,itmeansashort-handledtoolfortakingupandmovingsomething.Whenitisaverb,itmeansliftingsomethingwithascoop.S4:Mistake:IfIsay2and2is1,youcansayImakeamistake.S5:Annoying:makeoneangry,unhappyoruncomfortable.S6:Adjustable:thatcanbemademorehelpfuloruseful.S7:Microwave:veryshortwave.S8:Braces:somethingusedtotighten.Askthestudentstocirclethewordsinthetable.T:Verygood.Nowpleasefindthesewordsandcircletheminthetable.Volunteers?Showahangingchartwiththesametabletothestudents.Askthemtocometothefrontandcirclethewordsinthetableinthehangingchart.Checktheanswersandcorrectthemistakesifthereareany.Step4Groupwork(1a,1c:P68)Askthestudentstotalkaboutwhenthethingsinpictureof1aonP68wereinvented.T:LookatthepicturesonP68.Whatarethey?Ss:Theyaretelephone,car,calculator,televisionandcomputer.Writethefollowingsentencesontheblackboard.Whenwas(thetelephone...)invented?Ithinkitwasinventedin(1876...).T:Lookattheblackboard.Whenwasthetelephoneinvented?Youcantellmebyusingthesecondstructure.S1:Ithinkitwasinventedin1873.S2:Idon’tagree.Ithinkitwasinventedin1876.T:Yes,yougotitright.Itwasinventedin1876.Writethefollowingsentenceontheblackboard.Ithinkitwasinventedafter/before(thecar...).T:Whenwasthecarinvented,then?Ithinkitwasinventedin1865.SoIthinkitwasinventedbeforethetelephone.S1:Idon’tthinkso.Ithinkitwasinventedin1890.Ithinkitwasinventedafterthetelephone.S2:Ithinkitwasinventedin1885.Ithinkitwasinventedafterthetelephone.Askthestudentstodiscussingroups.T:Youcanhaveadiscussioningroups.Trytofindoutthecorrectdateswhenthethingswereinvented.Trytousethesentencestructuresonthescreen.Checktheresultsoftheirdiscussion.Sampledialogues:Dialogue1:S1:Whenwasthetelephoneinvented?S2:Ithinkitwasinventedin1876.S1:Whenwasthecarinvented?S2:Ithinkitwasinventedin1930.Ithinkitwasinventedafterthetelephone.S3:Idon’tthinkso.Ithinkitwa...