Unit7Howdothingschange？Explore（课件）-沪教版英语四年级下册

Unit7Howdothingschange？

ExploreContents01.Warm-up&Lead-in02.Readthestory(Part1&2)03.Readandmatch(ActivityA)04.Readagainandtalk(ActivityB)05.Grammarinuse&SummaryWarm-up&Lead-inQuestionDoyoulikeicecream?Whatflavordoyoulikebest?e.g.,Chocolate,Strawberry,Vanilla,etc.Let'sshareyourfavoriteflavorandstartourkitchenexperimentjourney!Readthestory:IntroductionStoryTitle:Let'smakeicecream!MainCharacters:MrsTan,LuHang,JiaLi,MaTao,MrGao(Scienceteacher)Setting:SchoolpartyReadthestory:Part1(TheProblem)MrsTan:Todayisourschoolparty.Let'sgettheicecream.It'sinthefreezer.LuHang:Ohno!Thefreezerdoorisopen.JiaLi:Lookattheicecream!MrsTan:Nowthere'snoicecreamfortheparty.TheKitchenExperimentReadthestory:Part2(TheSolution)MrGao:Shallwemakesomemore?Students:Sure!Buthow?MrGao:Don'tworry!Icanteachyou.Students:Great!MrGao:OK,kids.Getsomebigandsmallplasticbags.Thencometotheclassroom.ExperimentTip:PreparetheplasticbagsasMrGaosaid.Wewillmakedeliciousicecreamsoon!Readthestory:Part3(MakingIceCream)MrGao:Ihaveice,Ihavecream,sugarandsalt.MaTao:Whatshallwedo?MrGao:Mixthesugarandcream.Thenputthemixtureinasmallbag.Students:Done!MrsTan:Let'saddsomechocolate.Students:Goodidea!MrGao:Look!I'mputtingsaltandiceinthebigbag.I'mputtingthesmallbaginittoo.Nowshake,shake,shake!MaTao:Theiceisfreezingthemixture!JiaLi:Look!Wehaveicecream!MixingCream&SugarDeliciousIceCream!Readthestory:Part4(TheResult)MrGao:How'stheicecream,kids?Students:It'sgreat!Canwehavesomemore?ComprehensionCheckQ1:Whywastherenoicecreamfortheparty?Q2:HowdidMrGaohelpthestudents?Q3:Whatdidtheyusetomakeicecream?ActivityA:ReadandmatchTask:Matchthecausestotheeffects.Inthisactivity,youwillpracticeidentifyingtherelationshipbetweenactions(causes)andtheirresults(effects)inthestoryaboutmakingicecream.ActivityA:TaskCause(原因)1.Thefreezerdoorisopen.2.Theteachershelpthestudents.3.Theteacherputsthesmallbagofmixtureinthebigbag.Effect(结果)a.Thestudentscanmakeicecream.b.Themixturefreezes.c.Theicecreammelts.ClassActivity:ReadandMatchWorkinpairs.Readthecausesandeffectscarefully.Canyoumatchthecorrectcausetoitseffect?Discusswithyourpartner.ActivityA:AnswerKeyCause:Thefreezerdoorisopen.Effect:Theicecreammelts.(c)Cause:Theteachershelpthestudents.Effect:Thestudentscanmakeicecream.(a)Cause:Theteacherputsthesmallbagofmixtureinthebigbag.Effect:Themixturefreezes.(b)ActivityB:ReadagainandtalkQuestion:Whatdothestudentsusetomakeicecream?Sentence:Theyuse...Lookatthepicture

anddiscuss!Tips:Reviewthestorydetailsandusethekeywordstocompletethesentence.ActivityB:PracticeAnswer:Theyuseice,cream,sugar,salt,andplasticbags.IceCreamSugarSaltPlasticBagsLet'ssaythesentencetogether:"Theyuseice,cream,sugar,salt,andplasticbags."GrammarinuseShallwe...?用于提出建议(Makingsuggestions)Example:Shallwemakesomemore?Let's...用于提出建议(Makingsuggestions)Example:Let'sgettheicecream.💡Tip:Bothpatternsareusedtosuggestdoingactivitiestogether.Grammarinuse:ChantCookingTime!Chant:Let'smakechickensoup!Todayisourfamilyday.Let'smakesomefood.Howaboutsomesoup?Washthepot.Washthechicken.Shallwewashsomecarrotstoo?Putthechickeninthepot.Addthecarrots.Thenaddsomesalt.Shallwehavesome?Sure.Ican'twait.Thechickensouptastesgreat!GrammarPractice:ActivityDDialogue:MakingJuiceA:I'mthirsty.Let'smakesomejuice.B:Shallwecuttheorangesfirst?A:Sure!Step1:PreparetheFruitCuttheorangesortomatoes.Step2:MaketheJuiceBlendorsqueezethefruit.Step3:ChillAddiceandenjoy!GrammarFocusUse"Let's..."tosuggestdoingsomethingtogether.Use"Shallwe...?"tomakeasuggestionpolitely.ThinkQuestion:Howcanyoumakethingschange?Discussion:Wecanmakethingschangebyheating,cooling,mixing,cutting,etc.HeatingCoolingMixingCuttingChangingmatterisallaroundus,eveninthekitchen!SummaryCoreVocabular