Unit6WhenwasitinventedSectionB1a-1eperiodKnowledgeaims:WordsandphrasesSweet,crispy,salty,sour,bymistake,thinenough,intheend,makesbhappy,sprinkleon……Abilityaims:Enablestudentstoknowsomelisteningskills.(listenforspecificinformation.)Emotionaims:Enablestudentstobeinterestedinthehistoryofsomeinventionsanddiscoveries.Teachingimportantpoints:ThenewwordsandphrasesTeachingdifficultpoints:Theskilloflisteningforspecificinformationandtheabilitytoexpressownideas.Teachingaids:tape-recorder,flashcardsTeachingprocedures:Step2:Presentation1.Finish1a.Usethenewwordswelearnedjustnowtodescribethem.2.1b.Listsomedifferentkindsoffoodanddrinksandthenaskthemtowritedownthetastesofeachword.Askthemtoreadloudlytomemorizethem.Step3:PracticeMakeconversations.Asklikethis:Whatkindoffooddoyoulike?Ilikethefoodthataredelicious/sweet/sour……Step4.ListeningPre-listening:Discussthefollowingquestionsaboutpotatochips.Doyoulikeeatingpotatochips?Whenwerepotatochipsinvented?Whowerepotatochipsinventedby?Howwerepotatochipsinvented?(Letstudentsguessaccordingtothefollowingkeyword.)Keywords:byaccident,customer,restaurant,bymistake.Post-reading:1.Answerthefollowingquestions.1)Whowerethepotatochipsinventedby?2)Whenweretheyinvented?3)Howweretheyinvented?2.Retelltheshortstorybyusingsomekeywords.Step5:ConsolidationDosomerelatedtranslationexercises.Checkthemtogether.Step6:Homework1.Gooverthehistoryofchipsin2a&2bandwriteashortessayaboutit.2.LookfortheinventionofteabytheInternetorreadingthebooks.Thencopytheinformationonpaper.