Unit6WhenwasitinventedSectionBa-e课件人教版（0）英语九年级全册

Unit6Whenwasitinvented?

（SectionB1a-1e）

Learningobjectives:Bytheendoftheclass,youwillbeableto:1.talkaboutthetasteoffoodusingthenewwords.2.getinformationaboutthehistoryofpotatochipsbyusingdifferentlisteningskillsandretellthestory.3.shareotheraccidentalinventions(意外的发明)andlearntoviewaccidents(意外事件)

inapositiveway.

Doyouoftengoshopping?

potatochipslemonsicecreamsaltyduckeggscandyfriedchickenvinegarIttastessweet（甜的）.Howdoesthecandytaste?Differentfoodshavedifferenttastes(味道).Ittastessour（酸的）.Howdoesthevinegartaste?Ittastescrispy(脆的)andsalty(咸的).Howdoesthefriedchickentaste?1aThewordsintheboxdescribehowfoodcantaste.Writethemunderthecorrectpictures.Somepictureshavemorethanoneword.saltysoursweetsaltysweetcrispysaltysourDoyouknowhowpotatochipswereinvented?1cListenandcircleTfortrueorFforfalse.1.Potatochipswereinventedbymistake.2.Theywereinventedin1863.3.Thecustomerthoughtthepotatoes

werenotthinenough.4.Thecustomersaidtheywerenotsalty

enough.5.Georgewantedtomakethecustomer

happy.6.Thecustomerwashappyintheend.错误地；无意地n.顾客=atlast=finally最后TFTFTFTFTFTF1853thinenoughdidn’twantListenagain.Completethesentences.TheHistoryofPotatoChipsDoyouknowhowpotatochipswereinvented?Potatochips____________byacookcalledGeorgeCrum.Theywereinventedin

.GeorgeCrumcutthepotatoesreally,really_______

andthencookedthemforalongtimeuntiltheywere

.Finallyheputlotsofsaltonthemsotheywere__________.1dwereinvented1853thincrispyreallysaltywi

t1853crsListeningtip:Writetheinitialwords(首字母)firstandcompletethemafterlistening.

Thecustomerlovedthemandaskedformore...

...reallyreallythin...crispy...saltyThecustomer...toothick...senttothekitchen...Georgewasangry.Retellthestory.GeorgeCrum1853Whenwerepotatochipsinvented?Whoinventedpotatochips?Whywerepotatochipsinvented?Howwerepotatochipsinvented?What’stheresult?Doyouknowotheraccidentalinventions?accidentalinventionHowtotalkaboutanaccidentalinvention?whowhenwhyhowresultThinking:Whatdoyouthinkofaccidents?Doyouhaveanychangeonviewingaccidentsafterthisclass?Wealwayswanttogetridofaccidents,andwethinktheyareannoying.Accidentscanalsogiveusabigsurprisethatwecanneverimagine.Bynow,Ihavelearned...Evaluationcontent(测评内容)Grades(等级)thenewwords:crispy,salty,sour,sweet...ABthehistoryofpotatochipsandcanretellit.ABtellotherstoriesofaccidentalinventionsandviewaccidentsinapositiveway.ABHomework1.Finish1b.Findasmuch