Unit7Howdothingschange？（课件）沪教版英语四年级下册

Unit7Howdothingschange?探索物质变化的奥秘，观察身边的科学现象，一起做实验吧！Warm-up:Let'ssing!Chant:Change,Change,Change!Change,change,change!Thingscanchange!

Solidtoliquid,Liquidtogas!Change,change,change!Let'sfindouthow!

Let'slearnEnglish,Rightnow!Let'sclaphandsandsingtogether!TextbookReferencePageLookandSay:Let'sMakeIceCream教材场景：夏日的科学对话Lead-in:DailyConversationChildA:It'ssohottoday.Shallwemakesomeicecream?ChildB:Goodidea!Let'smakesomeicecream.Let'sTalk!(PairWork)●What'stheweatherlikeinthestory?●Whatdothechildrenwanttomake?●Howdotheysuggestmakingit?(Find"Shallwe"&"Let's")ScienceIntegration:ExploringChangesofMatter(Solid,Liquid,Gas)物质三态探索：Solid,Liquid,GasSolid(固体)Ithasashape.

(它有固定的形状)Liquid(液体)Itcanflow.

(它会流动)Gas(气体)Wecan'talwaysseeit.

(我们不一定总能看见它)科学词汇小课堂：物质变化与食材melt(融化)固体受热变成液体的过程。Tip:冰淇淋在太阳下会融化哦！sugar(糖)白色的小颗粒，味道甜甜的。Tip:我们用它做甜点和饮料。salt(盐)细小的白色晶体，味道咸咸的。Tip:炒菜时加入它会更美味！cream(奶油)浓稠的乳白色液体，口感绵密。Tip:它是制作冰淇淋的重要原料。Concept:Cause&Effect(因果关系)Cause(原因)Thehotsun.(炎热的太阳)Effect(结果)Theicecreammelts.(冰淇淋融化了)💡Scienceisallaboutfindingcauseandeffect!GrammarFocus:Shallwe...?&Let's...TextbookReferenceShallwe+do...?(Polite/更礼貌)•Shallwegotothepark?•Answer:Yes,let's./Goodidea.Let's+do...(Direct/更直接)•Let'sgotothepark.•Answer:OK./Great!Practice:Let'sSuggest!Shallwegoswimming?"Great!Let'sgoswimming."Shallwehaveapicnic?"Goodidea!Let'shaveapicnic."ClassTask:Workwithyourpartnerandpracticethedialogues!Practice1:ListenandNumberTask:Listentotheaudiocarefullyandwritedownthecorrectordernumberforeachpicture.TastingIceCreamYummy!Order:____StirringCreamMixitwell!Order:____AddingSugarSweet&SaltyOrder:____IntheFridgeCoolitdown!Order:____Practice2:ReadandMatchLet'sAnswertheQuestions!1.Whatisthecausefortheicecreamtomelt?2.Whatistheeffectoftheteachers'help?3.Whatcausesthemixturetofreeze?Tip:Causeiswhyithappens,Effectiswhathappens!StoryTime:Let'smakeicecream!(Part1)StoryIllustrationMrsTan:Todayisourschoolparty.Let'sgettheicecream.It'sinthefreezer.LuHang:Ohno!Thefreezerdoorisopen.Look,Ican'twait.MrsTan:Nowthere'snoicecreamfortheparty.MrGao:Shallwemakesomemore?Students:Sure!Buthow?ClassActivity:Readthedialogueinpairs!StoryTime:Let'smakeicecream!(Part2)📚TextbookPage✨Let'sReadtheDialogueMrGao:Don'tworry!Icanteachyou.MrGao:OK,kids.Getsomebigandsmallplasticbags.Thencometotheclassroom.MrGao:Ihaveice.Ihavecream,sugarandsalt.MaTao:Whatshallwedo?MrGao:Mixthesugarandcream.Thenputthemixtureinasmallbag.StoryTime:Let'smakeicecream!(Part3)Illustration:MakingIceCreamMrGao:Look!I'mputtingsaltandiceinthebigbag.I'mputtingthesmallbaginittoo.Nowshake,shake,shake!JiaLi:Look!Wehaveicecream!MrGao:How'stheicecream,kids?Students:It'sgreat!Canwehavesomemore?Greatjob!🍦Theicecreamisready!Extension:Whatisourworldmadeof?ReadingCornerLet'sDiscuss!(GroupTalk)1.Whatarethethreestatesofmatter?2.Whatcausedthecreamtobecomesolidicecream?3.Whatwillhappentoicecreaminthesun?Why?Q4:Thingsthatmelt!Lookatthechocolate!Canyounameotherthingsthatchangefromsolidtoliquidwhenheated?Unit7Summary:Howdothingschange?核心词汇VocabularyStates(状态):solid,liquid,gasActions(动作):melt,cause,effectObjects(物品):sugar,salt,cream重点句型Sentences1.Shallwe...?(用于礼貌地提出建议)2.Let's...(用于邀请一起做某事)趣味故事StoryTitle:Let'smakeicecream!Inthisstory,welearnedhowthingschangestateswhenmakingicecream.It'scoolandyummy!Scienceisfun!Keepexploring!科学真有趣，继续探索吧！Homework:科学英语课堂小任务Level1(Must-do)1.单词抄写：solid,liquid,gas,melt,sugar,salt,cream(各5遍)2.故事背诵："Let'smakeicecream!