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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,溶液的形成说课稿件范文,重点:建立有关溶液的概念,认识溶液、溶液质和溶剂三者的关系。,难点:对溶解过程的微观认识。区分溶质和溶剂。,基于新课程的理念转变学生的学习方式,由被动学变为主动学,提倡自主、合作探究是学习方式。本节课的知识对学生来说又是比较熟悉的,一些溶液、浊液是学生最常见的,学习起来略显轻松。同时学生又有较强的好奇心和求知欲。因此指导学生采取实验探究和交流讨论的方法进行学习,学生通过亲身体会感受学会如何收集信息加工信息,从而获得新知,进而转化为自己的个人经验。,1、教学方法采取自主学习、引导实验探究,交流讨论的模式。,2、学法指导本节课比较系统的从学生熟悉的现象入手对溶液的形成引导学生有目的的思维观察,学会如何对比观察、描述实验现象并通过对现象的分析,从而得出结论。通过探究实验培养学生观察能力和分析问题的能力。,1、情境创设,从生活中的现象入手,引导学生思考,最喜欢什么“水”,学生异常兴奋,争先恐后的回答。教师要及时跟进这些是水吗?激发学生的探究欲。,通过以上情境创设引入新课,刚才说到的这些并非水而是溶液,是我们平常接触很多的一类物质,那你们知道他们是怎么形成的吗?,2,Unit 12 Life is full of the unexpected.,Section,B,（,2,a-,2e,）,溶液的形成说课稿件范文 Unit 12 Li,1,Learning aims:,1.,语言知识目标：,能够掌握以下单词：,announce,spaghetti,hoax,sell out,discovery,lady,cancel,officer,believable,disappear,embarrassing,能够运用阅读策略进行阅读,能够理解文章内容,2.,情感态度价值观目标：,了解部分西方节日的文化常识。,Learning aims:,2,每年四月一日，是西方的民间传统节日,愚人节（,April Fools Day,），也称万愚节。对于它的起源众说纷纭。一种说法认为这一习俗源自印度的“诠俚节”。该节规定，每年三月三十一日的节日这天，不分男女老幼，可以互开玩笑、互相愚弄欺骗以换得娱乐。较普遍的说法是起源于法国。,1564,年，法国首先采用新改革的纪年法,格里历,(,即目前通用的阳历,),，以一月一日为一年的开端，改变了过去以四月一日作为新年开端的历法。新历法推行过程中，一些因循守旧的人反对这种改革仍沿袭旧历，拒绝更新。他们依旧在四月一日这天互赠礼物，组织庆祝新年的活动。主张改革的人对这些守旧者的做法大加嘲弄。聪明滑稽的人在四月一日这天给顽固派赠送假礼物，邀请他们参加假庆祝会，并把这些受愚弄的人称为“四月傻瓜”或“上钩之鱼”。以后，他们在这天互相愚弄，日久天长便成为法国流行的一种风俗。该节在十八世纪流传到英国，后来又被英国早期移民带到了美国。起初，任何美国人都可以炮制骇人听闻的消息，而且不负丝毫的道德和法律责任，政府和司法部门也不会追究。相反，谁编造的谎言最离奇、最能骗取人们相信，谁还会荣膺桂冠。这种做法给社会带来不少混乱，因而引起人们的不满。现在，人们节日期间的愚弄欺骗已不再像过去那样离谱，而是以轻松欢乐为目的。,每年四月一日，是西方的民间传统节日愚人节（April F,3,Have you ever played jokes on,others,especially on April Fools,Day?Have you ever been fooled,by others?Tell your story to your,partner,.,2a,老师叫你马上,去他办公室！,你的鞋带开了,Have you ever played joke,4,USING BACKGROUND KNOWLEDGE,Carefully reading the first sentence in each,paragraph can,activate,your own,knowledge of the topic and help you guess what the whole text is about.,ktvet,vt.,刺激；使活动,；,Reading strategy,(,阅读策略,),USING BACKGROUND KNOWLEDGE,5,Read the passage quickly.Then match each paragraph with the main idea.,Paragraph 1,The most famous trick played,Paragraph 2,Examples of funny stories that,happened on April Fools Day,Paragraph 3,An introduction to April,Fools Day,Paragraph 4,A sad story that happened on,April Fools Day,2b,ntrdk()n,n.,介绍,Fast reading,Read the passage quickly.Then,6,1.When is the April Fools Day?,Its on April 1st.,2.What do people do on April Fools Day?,Many people,play,all kinds of,tricks and,jokes on,each other,.,Paragraph 1,Careful reading,1.When is the April Fools Day,7,1.How many tricks are mentioned?,What are the tricks about?,One is about,spaghetti,the other is about,special water.,2.Why did the supermarkets run out of spaghetti one April Fools Day?,Because a reporter,announced,that there would,be no more spaghetti because the spaghetti,farmer had stopped growing spaghetti.,Paragraph 2,Two.,spget,n,.,意大利式细面条,nans,vt.,宣布,；,1.How many tricks are mentione,8,3.What does“hoax”mean?Except,(),A truth B trick C joke,4.What did the TV show say the special water could do?,It said this water would help people lose weight.,A,3.What does“hoax”mean?Excep,9,1.Why did the TV stars joke have a bad ending?,Because he lost his girlfriend and his show was,canceled.,2.What can we learn from the TV stars joke?,(discuss)What kind of jokes we cant play?,I dont think we can play jokes that,Paragraph 3,knsl,vt.,取消；删去,1.Why did the TV stars joke h,10,1.Whats the most famous trick about?,Its about aliens,.,2.When did Orson Welles tell people about aliens from Mars landing on the earth?,In October 1938.,3.Why did so many people believe Orson Welles?,Because he made it sound so real that hundreds of people believed the story,.,Paragraph 4,1.Whats the most famous trick,11,4.Acorrding to the passage,which following sentence is true?(),A.It was true the aliens had landed on the earth.,B.People didnt fear when they heard the story.,C.Although the story was a hoax,so many,people had left their homes.,C,4.Acorrding to the passage,wh,12,Fill in the blanks with the correct,forms of the verbs in brackets.,After the spaghetti story _,(appear)in the news,everyone_,(rush)to the supermarkets.,2.By the time people_(find out)the story was not true,all the spaghetti in the supermarkets _ (disappear).,appeared,rushed,found out,had disappeared,2d,Post reading,Fill in the blanks with t,13,3.By the time the day _ (end),more,than 10,000 people _(call)the,TV station to ask about the special water.,4.By the time the show _ (end),the,TV star _ (lose)his girlfriend.,5.By the time police officers _ (tell),the country that the story was a hoax,many people _ (run away),from their homes.,ended,had called,ended,had lost,told,had run away,3.By the time the day _,14,Tell your funny story from 2a to the,class.The class will vote for:,a.the funniest joke,b.the most,embarrassing,joke,c.the most creative joke,A:Whats your story?,B:Well,last year,on the first day of school,my sister put a piece of paper on my,back that said“Please say hello.”All,morning at school.,2e,adj:,令人尴尬的,vt,vi.,选举，投票,Tell your funny story f,15,1.Review the
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