范文为教学中作为模范的文章,也常常用来指写作的模板。常常用于文秘写作的参考,也可以作为演讲材料编写前的参考。大家想知道怎么样才能写一篇比较优质的范文吗?以下是小编为大家收集的优秀范文,欢迎大家分享阅读。
《自然之道》教学设计及反思篇一
1、认识7个生字,会写14个生字,正确读写“旅游、侦察、愚蠢、争先恐后、若无其事”等词语。
2、有感情地朗读课文,理解课文内容,体会文章表达的思想情感,懂得“自然之道”的含义并从中受到启发。
3、丰富见闻,激发探究大自然规律的兴趣。
重点:有感情地朗读课文,理解课文内容,体会文章表达的思想情感,懂得“自然之道”的含义并从中受到启发。
难点:理解向导的话,体会文章所表达的思想感情。
教学时间:2课时
教学准备:多媒体课件
第一课时
1、认识7个生字,会写14个生字,正确读写“旅游、侦察、愚蠢、争先恐后、若无其事”等词语。
2、正确、流利地朗读课文,初步学会概括文章的主要内容。
教学过程:
一、直接导入、理解课题
1、师:同学们,这节课我们将学习一个发人深省的故事。请大家看课题。(板书:自然之道)齐读课题。
2、师:大家看这个“道”字,你们知道它都有哪些意思?生:
师:看来,这个“道”字的意思还真不少,那它在“自然之道”里又是什么意思呢?、
二、初读课文,把握大意
1、师:这个课题的意思很深奥,我们读了课文会有更深的理解!请同学们先自己来读读课文,要把课文读通,读顺,特别难读的地方,可以多读几次,好,开始!
2、学生按初读要求自由读文。
3、指名逐段朗读全文,相机正音、评价。
(1)从同学们的表情,郑老师发现想要读好这篇课文确实有点难度,现在,老师请几个同学来读读,谁来?学习的机会是自己把握的。你最积极,我请你读第一自然段。
生:......(正音“加拉巴哥岛”。理解“筑巢孵化”)
师:读了第一段你知道它主要讲了什么吗?生.....
(2)第二小节谁来?好,你来!生:......
(3)接下来谁读?把难度增加,第3、4小节连起来请一个同学来读!我请你来!同学们,带着你的心跟作者一起上岛,看看一路走来,你的心情有什么变化?(生读)
老师:你的心情有什么变化?
生:......
师:为什么会有这样的感受呢?说说你的理解!
师:这2段我们可以用一个词来说说它的只要内容。(“救幼龟”)
(4)第5自然段让谁来读呢?你听得最认真,你来决定吧。生:......
(5)第6自然段,我要请没有举手的同学。生:......
这两段你也可以用一个词来概括?生:(“害”幼龟。)
(6)第7、8段连在一起读,这么多同学啊,那这样吧,想读的同学都站起来轻轻地读,好吗?生读
4、师:这是一个引人深思的故事,叙事味道很浓。现在你能按事情的发生、经过、结果概括一下文章的主要内容吗?
5、指名汇报。生:
三、学习字词,指导书写
1、课件出示本课生字词语:
旅游、幼龟、嘲鸫、沙滩、侦查、企图、蠢事、返回、海鸥、补救、争先恐后、欲出又止、若无其事、见死不救、鱼贯而出、愚不可及、气喘吁吁、响彻云霄、离巢而出、稍不留心、踌躇不前、极不情愿、结伴而出、无遮无拦、成百上千、结队而出、饱餐一顿、气喘吁吁、颓丧、震惊、悲叹。
各种形式朗读:指名读,正音。小组齐读。(强调“踌躇、嘲鸫、愚蠢、气喘吁吁”等的读音。)
2、理解难点词语。
在这么多的词,哪几个词需要老师和同学帮助的呢?生提出来,一起探讨。
3、出示本课生字,小组合作记忆生字。
幼滩侦嘲啄企愚蠢返拦鸥帽吁彻
4、提醒易错字的写法:
幼(与“幻”比较)、啄、帽;指导书写:愚、滩。
板书:我和同伴:焦急、震惊、悔恨
向导:冷淡、若无其事
第2课时
1、有感情地朗读课文,理解课文内容,体会文章表达的思想情感,懂得“自然之道”的含义并从中受到启发。
2、丰富见闻,激发探究大自然规律的兴趣。
教学过程:
一、听写导入,回顾整体
1、师:同学们,听老师的提示我们来默写几个词语,请两个同学上黑板默写。
(1)争着向前,惟恐落后,形容十分积极。(争先恐后)
(2)像游鱼那样一个接一个地出去。(鱼贯而出)
(3)我们的做法十分愚蠢,好心反而办坏事。(愚不可及)
(4)形容呼吸急促的样子。(气喘吁吁)
(5)一个劲地责怪自己,特别后悔。(后悔不已)
(6)吃得特别饱。(饱餐一顿)
2、(出示一段内容)选择默写的词语填写在下面的括号中。
我和同伴及一个生物学家向导,结队来到一个小岛旅游,观察幼龟是怎样离巢进入大海的。看到一只探头出穴的幼龟被嘲鸫咬啄时,不顾向导劝阻,(愚不可及)要向导把幼龟抱向大海。成群的幼龟以为外面很安全,就从巢中(鱼贯而出),结果让食肉鸟(饱餐一顿)。“我们”(气喘吁吁)地拯救了一些幼龟,还是不能解决问题。真是令人(后悔不已)。
二、品味语言,感悟“蠢事”。
1、师:在这一段概括课文主要内容的话中,有一个词语是“愚不可及”。请同学们在课文找到含这个词的句子。
出示:我们干了一件愚不可及的蠢事。指名读。
2、现在我们就是那一群游客,回想自己所做的一切,觉得哪些行为已经是愚不可及了呢?细细读课文3-5段,不动笔墨不读书,把有关的内容都找出来,细细体会。
3交流
生:......
出示:突然,一只幼龟把头探出巢穴,却欲出又止,似乎是在侦察外面是否安全。
(1)你能用自己的话说说对这句话的理解吗?你觉得自己愚蠢在哪里?
(2)朗读。
师:你们还找到了哪些句子说明自己愚不可及的。生......
出示:向导却若无其事地答道:“叼就叼去吧,自然之道,就是这样的。”向导的冷淡,招来了同伴们一片“不能见死不救”的呼喊。向导极不情愿地抱起那只小龟,朝大海走去。
(1)你怎么就觉得自己是愚不可及的呢?
(2)老师采访向导:请问,你当时为什么这样若无其事呢?可为什么你又极不情愿地抱起小龟扔向大海呢?
师:愚不可及的事还有呢?当我们了解了事情的真相后更是认为自己愚不可及了。生:......
出示:向导抱走幼龟不久,成群的幼龟鱼贯而出。我们很快明白:我们干了一件愚不可及的蠢事。那只先出来的幼龟,原来是龟群的“侦察兵”,一旦遇到危险,便会返回龟巢,那只幼龟被向导引向大海,巢中的幼龟得到错误的信息,以为外面的很安全,于是争先恐后地结伴而出。
生:(自由读,齐读)在书旁边写写批注,再交流。
过度:我们的愚不可及造成的结果是可悲的,大家来读一读第七八自然段。
三、明白后果,指导朗读
1、自由朗读课文的第七八自然段。
老师:我们的愚不可及造成的结果怎么样?生:......
2、引读
师:尽管我们来回奔跑,尽管我们拼命拯救,还是给幼龟们带来了很大的伤害。此刻的补救显然已经晚了。抬头仰望天空(引读课文第八节第一句)
生:(读课文第八节第一句)
师:天啊!看我们做了些什么——
生:(读文)“数十只幼龟已成了嘲鸫、海鸥、鲣鸟的口中之食。”
师:一只幼龟得救了,无数只幼龟丧生了——看我们做了些什么;
生:(继续读文)
师:一只嘲鸫飞走了,数十只食肉鸟欢笑了——这就是我们做的蠢事。
3、一齐有感情地朗读第七八自然段
师:别看这小小的绿龟,他们也是有的一套躲避危险、防御危险的办法!可这样的办法却被我们给破坏了。这2个小节里的每个字,每句话,甚至是每个标点,都跳动着作者那难以言说的痛苦!
因为——(再出示):“我们干了一件愚不可及的蠢事!”
四、再读课文,发挥想象。
1、师:我们已经认识到自己的愚不可及了,向导呢,何尝不自责呢?我们再把书读进心里去。(出示)
向导心里难受极了:_______________________________________
_______________________________________
他一边走,一边发出悲叹:“如果不是我们,这些海龟就不会受到伤害.”
生:......
2、指导朗读
师:原本无奈的向导现在多了一份悲伤。读出他无限的悲叹:
生:(读)
五、回归整体,提升文本
1、师:大自然气象万千,美丽无比,充满生机,也充满神秘。现在我们在回过头来,这“自然之道”你是怎么理解的呢?
2、请学生谈谈人们在生活中违背自然规律的例子。
师:要遵循自然之道,要按自然规律办事,否则,就会产生与我们愿望相反的结果。你们接触过这样违背自然之道的事吗?生:......你认为怎样才会不违背“自然之道”?
生:
3、其实,违背“自然之道”的故事我们学习过不少。如:《我要的是葫芦》、《拔苗助长》、《一个小村庄的故事》……它们讲的都是同一个道理。自然万物,有着它自己的生存方式和规律,在大自然面前,我们人类要想不犯错误,首先就要了解自然之道,遵循自然之道。
9、自然之道
遵循 人 违背
保护↘↙伤害
海龟
《自然之道》教学设计及反思篇二
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《自然之道》教学设计及反思篇三
1、继续品读文章,能联系上下文体会句子中带点词语在表达上的作用。
2、对学生进行语文能力的培养,抓关键词、句品读。
3、懂得如果违背了自然界的规律,有时好心也会办错事,自然规律是不能够违背的,让学生产生热爱和保护动物的情感。
1、懂得如果违背了自然界的规律,有时好心也会办错事,让学生产生热爱和保护动物的情感。
2、理解“如果不是我们,这些海龟根本就不会受到伤害”这句话的意思,并体会带点词语在表达上的作用。
理解“如果不是我们,这些海龟根本就不会受到伤害”这句话的意思,并体会带点词语在表达上的作用。
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一课时
一、破题导入新课。
1、师:“这节课,请跟着老师再次走进神秘的大自然,走进大自然中发生的这件真实而又令人难忘的故事中,相信大家一定会从中得到启示,悟出自然界之道。”
齐读课题:自然界之道
2、师:“你能从课文中找出含有课题的句子吗?”
(目的:引出向导的第一次语言,以此为切入点)
二、以向导的第一次话为切入点理解第一条情感线即游客们的“好心”。
出示:“叼就叼去吧,自然界之道,就是这样的。”
1、读句子。
2、师:“叼就叼去吧,就是这样的”分别指的是什么?”
“请你从第三自然段中寻找答案。”学生读段进行思考
让学生明确:“叼就叼去吧”指的是嘲鸫叼幼龟。”
“就是这样的”指的是嘲鸫叼一只幼龟的头,企图把它拖到沙滩上。
3、师:“你能用一句话概括这段的意思吗?” (也就是嘲鸫想把幼龟吃掉。)
4、师:“你认为应该怎样读这段话?”(指名学生读)
追问:“你为什么要这样读?”
5、师:“面对这种情况,你如何想?”
(目的:让学生体会到面对这种情况,大家自然而然便会产生怜悯之心,担心幼龟会被吃掉,初于好心,所以才会焦急地想去想办法求那只幼龟。)
6、师:“正在大家焦急万分的时候,向导是个什么态度呢?请你用书中的词概括。”
引导学生找到:若无其事、冷淡
出示:向导却()地答道:“叼就叼去吧,自然界之道,就是这样的。”
师:“请你填上合适的词语,然后再读一读向导的话。”
“读完之后你有什么感受?”
“向导为什么有这样的态度?”对向导进行评价
7、师导:“旅行同伴们又是怎样的心情,请你从书中找找相关的句子把它画下来。”
学生画批相关的句子
出示:其中一位焦急地对向导说:“你得想想办法啊!”
向导的冷淡招来了同伴们一片“不能见死不救”的呼喊。
师:“读一读这句话,他们为什么会这样?”
指导学生朗读:
师:“你该用什么样的语气读?”指名读、小组读、齐读。
指导学生读出焦急、紧张的语气。
(目的是让学生体会出游客焦急,紧张的心情,他们这样都是出于一片好心)
(以上环节是为了通过让学生理解“好心”这个情感主线,接下来就要让学生理解“好心却办了坏事”这条情感线。让学生通过自身的感悟了解到有时候如果违背了自然规律往往是好心也有可能办坏事的道理。)
三、感悟好心办坏事即第二条情感主线:
1、师:“向导在大家极富爱心的劝说下极不情愿地幼龟抱进了大海,后果如何呢?请你阅读课文的6-----9自然段画出相关的句子。”
(学生画批)
2、出示:
(1) “很快引来了许多食肉鸟,这回它们可以饱餐一顿了。”
(2) “这时,数十只幼龟已成了嘲鸫、海鸥、鲣鸟的口中之物。”
(3)“一切都过去以后,数十只食肉鸟吃得饱饱的,发出欢乐的叫声,响彻云霄。两只嘲鸫仍静静伫立在沙滩上,希望能捕捉到最后一只迷路的幼龟作为佳肴。”
3、指导学生朗读,然后让学生用一句话概括:“你能用一句话概括这三句话的含义 吗?”(大批幼龟受到伤害)
4、师:“究竟是为什么?”导入第六段的“向导抱走幼龟不久……于是争先恐后地结伴而行。”这段话
5、师:“这种后果是谁导致的?”(是我们)
追问:是我们什么样的行为导致的?
追问:“这样的行为也就是违背了——?”(自然界的规律)
师:“如果我们违背了自然界的规律即使是好心有时能像我们想象的结果是一样的吗?不是的,也许我们好心却办了一件……”(坏事)
6、出示:如果不是我们 。
师:“你能根据你的感受把上面的句子补充完整吗?并说一说你的感受或用你的读书声告诉大家你的感受。”
让学生结合课文和自己的感受填写,并读出自己的感受。(后悔)
7、师:“如果我们要不让这些海龟受到伤害应该如何做?”
(不能因为好心就违背了自然规律,违背了有可能就好心办了坏事。这时学生对前后两个情感线有了感悟,也感悟到了由于自己一时的好心却让自己的好心办了坏事,从而违背了自然规律,导致了无法挽回的严重后果,从而自然规律是不能违背的,否则就会好心办坏事。)
四、升华理解向导最后发出的悲叹,揭示本课指的自然界之道究竟是什么。
出示:终于,向导发出了他的悲叹:“如果不是我们,这些海龟根本就不会受到伤害。”
1、分析句中带点词的用法。(双重否定表肯定)
(1)出示对比句:
a终于,向导发出了他的悲叹:“是我们,这些海龟才受到了伤害。”
b终于,向导发出了他的悲叹:“如果不是我们,这些海龟根本就不会受到伤害。”
(2)师:“请你对比着读一读说说它们分别是什么意思?”
(学生读句体会两句话表示的含义都是相同的)
(3)师:“两句话表示的是一个意思,那它们在写法上有什么不同呢?你觉得那句好?为什么?”
(引导学生体会出第二句用了两个否定词,却表示的是肯定的含义即双重
否定表肯定,另外让学生体会第二句有增强的语气的作用,更能表达出人物的情感。)
(设计意图:以上环节是为了让学生通过对比体会句中带点词的作用。)
2、理解完带点词的作用之后,提升学生的理解,让学生结合前面的感悟理解向导发出的悲叹所要表达的深一层含义
(1)这触目惊心的一幕,使向导发出了这样的悲叹。如果你是其中的一位旅行者,你肯定也在自责,你会说什么呢?
出示句式:如果不是我们,就不会。
(2) 在与动物的接触中,人类的哪些行为令你有同样的感慨?请你拿出笔写下来。
出示句式:如果不是人们( ),就不会( ),我们( )。
(3)师;“那通过前面的学习,请你结合上下文,说一说你是如何理解向导的话的?”
(即自然界之道的含义)
(4)师:“现在我们再回到课题,你能解释本文所指的‘自然界之道’就是指什么吗?”
五、走出文本,内化“道”
1、拓展:课外大家可以去找这样的故事来阅读,然后再读书交流。
2、延伸:其实像这样的例子还有很多,引导学生举出生活中的具体例子谈体会,使“道”得以内化。走入大自然,留心观察一下,生活中还有哪些违背自然规律的行为。跟同桌交流。
(设计意图:由文本走向课外延伸,不仅培养了学生的评价能力,还提高了学生的综合实践能力。)
六、全文小结:
师:“通过这节课的感悟,你有什么收获吗?”
师:“是的,自然界之道存在着许多它固有的道理,我们不可以去违背,否则将会好心办坏事。在大自然中还有许多自然之道等我们去探索,解“道”在前,循“道”在后,顺其道而胜之。”
《自然之道》教学设计及反思篇四
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《自然之道》教学设计及反思篇五
这三个自然段的教学我是抓住两条线进行切入,一条是抓住关键词语,体会各自情感。让学生在词语归类中明确文中各个角色的态度,并亲自演读,体会心情,并由此归结出疑问,为什么各自所持态度会有如此反差,进而引出第二条主线,抓住两个关键句子(①叼就叼去吧,自然之道,就是这样的”②我们干了一件愚不可及的蠢事)通过学生的自独自悟和相互交流初步理解“自然之道”,因我们对自然之道的无知,好心却办了蠢事。
1、情感朗读,理解内容,体会思想感情;
2、初步理解自然之道。
一、出示词语归类题目
探出欲出又止突然啄焦急紧张冷淡
极不情愿鱼贯而出结伴而出侦察踌躇不前
若无其事争先恐后拉到
幼龟──(探出欲出又止侦察踌躇不前鱼贯而出争先恐后结伴而出)
我们──(焦急紧张)
向导──(若无其事冷淡极不情愿)
嘲鸫──(突然啄拉到)
1、读课文3~5自然段,请找一找上述词语并归类:
⑴学生交流汇报,找出相应句子完成上述归类。
⑵生自由挑选句子(可以是“幼龟”“我们”“向导”“嘲鸫”的相关句子)朗读,自读自悟,体会以上关键词语所蕴含的情感和心情。
⑶生返回表演朗读上述分类词语,(可男女读,分组读,个别比赛读)师指导评价(幼龟:表演理解起先小绿龟的机警、谨慎,后来感受幼龟得到错误信息后的心情。我们:当幼龟遭到袭击时紧张担心的心情。向导:冷淡,与我们形成强烈的对比。嘲鸫:看到美食,急切捕猎的心情)
2,再次朗读3~5自然段,提出疑问:
⑴为什么向导的态度那么冷淡、极不情愿,并说“叼就叼去吧,自然之道,就是这样的”?(与我们的态度形成强烈的对比)
①自读自悟,初步感受“自然之道”,幼龟出巢侦察,嘲鸫捕食是自然之道,向导的冷淡若无其事也是出于自然之道,幼龟得到争先恐后,鱼贯而出是因为得到了错误的.信心,我们违反了自然之道……
②各生交流,初步理解。
⑵我们干了怎样一件愚不可及的蠢事?
①读文交流,同桌互说。
②全班交流(有了以上基础,生基本能理解我们干了一件愚不可及的蠢事,出于对小幼龟的同情,我们却违背的自然之道……)
3、再次朗读3~5段,体会各种情感,感悟“自然之道”。
《自然之道》教学设计及反思篇六
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《自然之道》教学设计及反思篇七
1、认识7个生字,会写14个生字。
2、采用朗读,联系上下文,联系生活实际,借助想象等方法体会重点词语,理解课文内容,懂得自然之道的含义,认识到要按照自然规律办事
3、采用多种形式的读,能按事情发展的顺序把握课文的主要内容。
4、借助对文本空白处的想象,当堂练笔,提高想象能力、表达能力、写作能力。
重点:
1、了解课文的主要内容,从中受到启示。
2、体会“我和同伴”看到“眼前的一幕”所引发出来的蕴意;
3、对文本空白处——食肉鸟怎样凶猛地啄噬幼龟的场面的想象,内化语言,感受自然之道,从中受到做事要遵循自然规律的教育。
难点:结合上下文,采用联系对比、换位思考、抓重点词等方法理解向导的话,体会文章表达的思想感情,并通过有感情的朗读表现出来。。
教师:多媒体课件 。
学生:课前搜集太平洋绿龟的图片或生活习性等资料
教学方法:创设情境——品析体会——积累写话——课外深化
使用教材的构想:在把握课文主要内容的基础上,让学生大胆质疑,按事情发展的顺序进入三个场景,充分把握语文课的基础训练点,采取“以读促思,联系对比、换位思考、抓重点词”等方法,反复体会“我和同伴”的行为和“向导”的话语,揣摩文章所要表达的主题思想,受到启示。
第一课时
1、阅读单元导读,了解本单元的主题以及要求,并粗略了解本单元要学习的课文。(从整体入手)
2、同学们,大自然气象万千,美丽无比;充满生机,也充满了神秘。今天,我们,就将走进大自然,了解大自然,探索大自然的内在规律。相信同学们会从中得到启示。
3、读题质疑。
这节课我们学习一个发人深省的故事——自然之道(板书),看到课题,你会想到什么问题?
(预设:道指什么?什么是自然之道?)
【设计意图:独立识字是一种非常好的学习习惯,检测学生能否初步把握文章的主要内容。】
1、自读课文,要求:
(1)读准生字词,读通句子。
(2)想想课文讲了一件什么事情?
2、认读生词。
3、指名分段读课文。要求:把课文读准确、读通顺。(对于比较难读的句子,可以让学生齐读或挑战读)
4、了解主要内容,理清线索。
(1)课文围绕幼龟离巢进入大海写了什么?根据学生回答板书。用“先……再(接着)……最后……”的句式训练说话。
5、质疑归纳
(1)分组提出问题,组内解决,解决不了全班提出。
(2)全班质疑归纳。
为什么说“ 我们干了一件愚不可及的蠢事”?它会带给我们怎样的启示呢?
本节课中,你的收获是什么?能小结一下吗?
《自然之道》教学设计及反思篇八
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《自然之道》教学设计及反思篇九
①认识7个生字,会写14个生字,正确读写“旅游、侦察、愚蠢、争先恐后、若无其事”等词语。
②有感情地朗读课文,理解课文内容,体会文章表达的思想感情,从中受到做事要遵循自然规律的教育。
③丰富见闻,激发探究大自然对人类启示的兴趣。
④培养学生把握文章的主要内容、体会文章思想感情的能力。
了解课文的主要内容,从中受到启示;。
理解向导的话,体会文章所表达的思想感情
两课时
①指名读“单元导读”,说说本单元专题是什么,有什么新的要求。
②今天,我们先来学习一个真实而又令人难忘的故事,初步了解大自然给人类的启示。(板书课题)
①按常规或按要求自读自学:把课文读两三遍,读通读顺;认读生字,找出生词,查字词典理解生词,标自然段序号,想一想课文大意。
②出示词语,检查生字词认读与理解情况:指名读,想读哪些就读哪些,想说哪个词义就说哪个,有的词语可用形象表演的方式,如:“欲出又止、鱼贯而出、气喘吁吁”等。
旅游 筑巢 幼龟 沙滩 侦察 企图
情愿 蠢事 返回 海鸥 补救
争先恐后 欲出又止 若无其事见死不救
鱼贯而出 愚不可及 气喘吁吁响彻云霄
③指名或推荐学生逐段朗读全文,检查是否达到正确、流利朗读课文,重点指导难读的句子并多读几遍。
④汇报:你读懂了什么?还有什么疑问?
抄写生字新词。
1、 师谈话:同学们,大自然气象万千,美丽无比,充满生机,也充满神秘。今天,你们将和老师一起走进大自然,了解大自然,探索大自然的内在规律。这节课我们共同学习一篇大自然中发生的真实故事——自然之道
2、 板书课题,齐读
3、 理解“道”都有哪些意思?在“自然之道”里又表示什么意思?
1、 学生自由初读课文,思考:课文主要讲了一个什么故事?
2、 学会用多种方法概括课文的主要内容
① 段意合并法 ②摘录语段法 ③要素归纳法……
3、课文中谈到我们干了一件愚不可及的蠢事,是谁在什么样的情况下说的?找出来读一读
4、这是一件什么样的蠢事呢?默读3-5段
1、 从哪儿看出来这是一只侦察龟呢?
(突然,一只幼龟把头探出来……是否安全)
“欲出又止”是什么意思?幼龟为什么欲出又止呢?
你能找出与之相近的词语吗?(踌躇不前)
2、 就是这样一直欲出又止,踌躇不前的幼龟,不但引起了我们的注意力,同时也引起了超鸫的注意力,当看到朝鸫要吃掉幼龟时,我和同伴的心情如何?你从哪儿可以看出来?
(我和同伴紧张地……)
3、 我们万万没有想到,看似好心的我们,其实却在做着一件愚不可及的蠢事,从哪些地方可以看出我们的愚不可及呢?
(向导若无其事地说:叼就叼去吧,自然之道就是这样的)
“若无其事”是指好象什么也没有发生,面对我们的紧张,焦急,向导为什么会有这样的表现呢?文中的自然之道又是指的什么呢?
4、 既然向导知道自己的行为会危害龟群,可是他为什么还要那样做呢?
(向导的冷淡招来了……)
5、 我们不知道这是一只侦察龟,却武断地让向导去救它,向导的若无其事没有取得我们的信任,我们真是愚不可及啊!(齐读:我们干了一件愚不可及的蠢事)
1、 然后愚不可及的事远远不止这些,师范读5、6自然段
2、 我们看到了怎样的画面?
① 幼龟成群结队地爬行在这一大段无遮无拦的的沙滩上,想象小幼龟们此时此刻心里在想些什么呢?
② 当看到如此多的美食时,食肉鸟心里又会想些什么呢?你就是之前的那只朝鸫,你想说些什么?
3、 想象画面:食肉鸟一改之前颓丧的心情,发出欢乐的叫声,响彻云霄,听到这样的声音,你的心情如何?同伴们的心情呢?向导的心情呢?
齐读:(如果不是我们,这些海龟根本就不会受到伤害)
4、 思考:把“悲叹”换成“感叹”行吗?为什么?
5、 生齐读最后一段
1、 我们的好心却办了一件坏事,课文学到这你想说些什么呢?
2、 对于向导的行为,你有什么自己的意见呢?你觉得向导这样做对吗?
3、 回归课题,引发话题。
谈对“自然之道”的理解和感悟。(大自然中的万事万物都有自己存在的道理,这个生存的法则和规律是不能违背的)违背“自然之道”的后果。(自作聪明,只能好心办坏事,聪明反被聪明误)
怎样才会不违背“自然之道”。(结合课文,联系生活和开课导语谈谈)
4、师总结
这就是自然之道,候鸟迁徙不能挽留这是自然之道,山涧小鱼难在鱼缸生存这是自然之道,老虎圈养便失 去野性这是自然之道,温室难育参天大树这是自然之道,人类自身无论怎么发展都不能否认一个事实,那便是人类都是大自然的产物,万物靠大地孕育,靠阳光雨露滋生,我们呼吸的每一口气,喝的每一滴水无不取自于自然,所以我们要遵循大自然的规律,以及尊重大自然,不要人为地破坏大自然,这样人类才能与自然共存。
《自然之道》教学设计及反思篇十
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《自然之道》教学设计及反思篇十一
1、认识7个生字,会写14个生字,正确读写“旅游、幼龟、鱼贯而出、愚不可及”等词语。
2、正确、流利、有感情地朗读课文,学生能用适当的方法概括文章的主要内容,体会文章所表达的思想感情,从中受到尊重“自然之道”的启发。
3、激发学生探索“自然之道”的兴趣。
教学重点:学生能用适当的方法概括文章的主要内容,并从中受到启发。
教学难点:引导学生理解向导的话,从而体会文章所表达的思想感情。
。
1.同学们,今天这节课我们要学习的课文是——自然之道。大家事先预习过吗?读过课文吗?读过一遍的请举手;读过三遍以上的请举手。
2.知道“道”是什么意思吗?“自然之道”呢?
1.初步读文,学习词语。
请同学们再读读全文,尽可能地把课文读正确、读通顺,遇到难读的地方多读几遍。这几个词你能读正确吗?
加拉巴哥岛 巢穴 踌躇 结伴而出 侦察 颓丧
你自己在读课文过程中,还觉得哪些词不容易读好,提出来。
2.再读课文,了解主要内容。
(1)梳理人物:课文中写到了哪些人和物?
适时板书:我们 向导 幼龟 食肉鸟
a.“向导”是什么人?这个向导可不是一般的向导。
b.我和七个同伴,简称“我”们;我们也不是一般的游客,我们来加拉巴哥岛旅游的目的是什么?
c.幼龟,先是一只,后是一群,成百上千只。
d.嘲鸫、海鸥、鲣鸟,它们有一个总名称,叫做食肉鸟。
(2)串说故事:他们之间发生了怎样的故事呢?
如果你觉得有困难,老师给你一点帮助。(你可以这样想:我们去加拉巴哥岛旅游,看到了什么情景?我们是怎么做的?结果怎么样?)
过渡:课文写了“我”和同伴本想救助幼龟反而伤害了它。请大家快速浏览课文,找找,课文哪几个自然段写了我们救助那只幼龟?(3、4节)
1.(出示句子)(那天我们上岛时,已近黄昏,很快就发现一个大龟巢。突然,一只幼龟把头探出巢穴,却欲出又止,似乎在侦察外面是否安全。正当幼龟踌躇不前时,一只嘲鸫突然飞出,它用尖嘴啄幼龟的头,企图把它拉到沙滩上来。)
(1)“踌躇不前”在这里是什么意思?再联系上文想一想,课文怎么写它“踌躇不前”?理解“探、欲出又止”。
(2)再读这段话,你觉得这是一只怎样的幼龟。
(3)它的小心谨慎是有原因的,你能从上下文中找到依据吗?
2.一只嘲鸫用尖嘴啄它的头,企图把它拉到沙滩上去,幼龟的生命受到威胁。同学们,此时假如你就在现场你会怎么做?所以“我”们——
我们都很焦急,可是向导却说——出示句子:我和同伴紧张地看着眼前的一幕,其中一位焦急地对向导说:“你得想想办法啊!”向导却若无其事地答道:“叼就叼去吧,自然之道,就是这样的。”
(1)练读句子,体会“紧张与焦急”,理解“若无其事”。
(2)对比着读,体会对比的表达效果。
(3)读到这里,你读出了什么疑问?
(要点把握:向导为什么那么冷淡?向导说的自然之道是什么意思?)
1.默读课文第5自然段,想想说说:
那只先出来的幼龟,是龟群的“侦察兵”,一旦遇到危险,便会 ,其他的幼龟就 ;现在,那只幼龟没有回到巢穴,其他幼龟 ,于是 ,结果 。
2.讨论争辩:如果我们不去帮助那只幼龟,情况会怎么样呢?你的课文依据是什么?
3.练习并小结:
(1)我和同伴们看到成群的幼龟鱼贯而出,心想:
(2)所以,向导说——再读向导说的话。你明白“自然之道,就是这样的。”这句话的意思了吗?
1.复习词语。
争先恐后 欲出又止 鱼贯而出 若无其事 见死不救 极不情愿 愚不可及 气喘吁吁 响彻云霄
(1)读读,说说,哪些词语的意思你明白了?
(2)把词语放回课文中,边划边读。
2.填空作业。
出示,并准备作业纸:我们去加拉巴哥岛旅游,看到嘲鸫啄小海龟,向导却( ),我们很生气,责怪向导( )。向导在我们的要求下把幼龟抱向大海。不久,成百上千的幼龟从巢中( ),( )爬向大海。我们很快明白,自己干了一件( )的蠢事。尽管大家全力补救,累得( ),那些食肉鸟还是吃得饱饱的,叫声( )。
那只小海龟得救了,我们应该感到高兴,但是作者在后面的课文里却写道:“我们干了一件愚不可及的蠢事。”这到底是什么原因呢?自己默读剩下的课文段落。
1、首先来回答:为什么说我们干了一件愚不可及的蠢事?
学生可以从多个方面去说,注意表达的顺序。
说到侦察兵时,教师出示句子:抱走幼龟不久,成群的小幼龟从巢穴里鱼贯而出——从这些红色的词语中,你体会到了什么?(幼龟的多,都争着向外爬)怎么读?
老师问学生:你就是巢穴里的一只小幼龟,你来告诉大家,你们为什么要争先恐后的爬出来?
(我们派出去的侦查兵没有回来,他肯定看到外面没有危险,而是匆匆忙忙地去大海了。如果遇到什么危险,他会返回巢穴中的。)
这说明了向导抱走了小海龟是给了后面的小海龟一个错误的信息。就是这个错误的信息使成百上千的小幼龟提前出了巢穴,接着又导致了什么后果呢?
学生接着谈一谈。
2、老师:数十只小幼龟已经成了嘲鸫、海鸥、鲣鸟的口中之食。这些小幼龟被食肉鸟们吃掉时,又是怎样的场景呢?让我们来展开想象,选出其中一种情况写一写,看谁写的具体形象。
引导学生看书中插图,想象当时情景。
一只幼龟正兴奋地向前爬着,它正在美滋滋地想:“我就要见到我亲爱的妈妈啦!忽然一只鲣鸟飞快地俯冲下来,使劲地啄它的头。小幼龟被这样的突然袭击吓坏了,它本能地把头和四肢缩进了壳里。那只鲣鸟并没有放弃对幼龟的袭击,它用又尖又长的嘴朝着幼龟的壳里使劲地啄,几下子就把幼龟的头啄得血淋淋的。一会儿,小幼龟变得血肉模糊,失去了知觉,四肢无力地伸出了龟壳。鲣鸟津津有味地把幼龟吃了下去。
一只幼龟看到同伴都向前爬去,它也加快了脚步,可就在这时——
一只幼龟便向前爬着,边想回头招呼自己的同伴,可是它还没有张开口,就——
一只幼龟正低着头奋力地向前爬着,忽然听见同伴一声惨叫,它还没有回过神来,就——
一只幼龟刚刚把脑袋伸出巢穴,想追赶同伴,可就在这时——
一只幼龟经过奋力地爬行,终于到达了海边,它激动地想:“我终于可以在美丽的大海里生活了。”突然——
……
学生读自己写的句子。
3、老师:我们亲眼目睹了这样凄惨的场景,感到了震惊,急忙学着向导的做法在海滩上营救着小海龟,累得气喘吁吁,但是这已经无济于事了,对小幼龟的弥补也是谨小慎微的。所以——
出示重点句子,引导学生理解。
(1)不一会儿,数十只食肉鸟吃得饱饱的,发出欢乐的叫声,响彻云霄。
老师:食肉鸟们因为吃了无数的小幼龟而高兴地叫着,但是活下来的小海龟这时候会怎样想?它们会对我们说什么呢?
采访学生:你会说什么?
假如你就是那只小小的侦察兵,你在大海里也亲眼目睹了这一切,你是不是应该为我们救了你而感到高兴呢?
老师总结:我们好心却做了这愚不可及的蠢事,并没有得到幼龟们的感谢,所以——出示句子:
我和同伴慢慢地走在沙滩上。向导一边走一边发出悲叹:“如果不是我们,这些海龟根本就不会受到伤害。”
从这两句话,你体会到了什么?
(2)比较句子,体会“悲叹”在表情达意上的作用。
a.向导一边走一边说:“如果不是我们,这些海龟就不会受到伤害。”
b.向导一边走一边发出悲叹:“如果不是我们,这些海龟根本就不会受到伤害。”
师:加上“悲叹”好在哪里?(能体现出向导极度悲伤难过的心理。)根本可以换成什么词语?
向导为什么会如此悲伤?(非常自责、后悔——幼龟的灾难他有不可推卸的责任)
师:再次读这个句子,感受向导的悲伤之情。指读、齐读。
师小结:看来向导既不是没有同情心,也不是想让饥饿的食肉鸟有口饭吃,他对幼龟的生活习性还是很了解的,也知道这种做法可能会给幼龟带来危险,但迫于游人的压力而又不得不做。当然,也许他也没有意识到事情的后果会那么严重。
同学们,这是一个发人深省的故事。我相信你们一定从这件事中受到了教训,得到了启示。那么,就把你受到的启示对大家说一说吧!
(可能出现的回答:大自然中的现象是十分复杂的,没有调查清楚就不要乱做决定或指挥;人不要自作聪明,要知道,有很多时候,聪明反被聪明误;如果不按规律办事,往往事与愿违,好心办坏事…)
师小结:同学们说得好,这个故事就是要告诉我们,要遵循自然之道,要按自然规律办事,否则,就会产生与我们愿望相反的结果。(板书:遵循)
在现实生活中,有许多事例就是人们破坏了自然规律,发生的后果总是事与愿违,都是有哪些呢?我们课下调查一下,下节课交流。
《自然之道》教学设计及反思篇十二
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《自然之道》教学设计及反思篇十三
1、引入:孩子们,大自然气象万千,充满生机,也充满了神秘,今天我们就将走进大自然,去了解大自然,一起学习第九课,齐读课题
2、理解课题是什么意思?(自然规律)
作者用自己的亲身经历在告诉我们什么是自然之道,咱们就赶快走进课文去了解吧!
1.自读课文,争取把课文读通顺,遇到难读的句子多读几遍,思考:看看课文里都写了哪些人物动物,他们之间发生了什么事?读书的时候,有什么不明白的,可以在旁边做好标记。可以放开声音大声读。自己读自己的,读出自己的理解。
2.出示词语,检查认读与理解情况。
师:课文读完了,词语是不是都掌握了,(出示)谁想读给大家听?
后两行谁想读给大家听?都读准了,那这个愚不可及的意思你知道吗?生答。
在字典里啊,“及”的意思是比得上,那愚不可及谁能说说!生说。
通过查字典理解了关键字的意思,就能准确的理解词语了!
课文里啊还有个地名,(出示)很不好读,谁想读读。来,请你。生:加拉巴哥岛。 师:你看,还真不好读呢?(再指两生读)
师:对,它啊,是南太平洋中的一个微岛,谁再来读读请你读。(两生读)
师:全班一起读读。那刚才的那些词语,同学们都会写吗?请两位同学到黑板前默写,其他同学在你的练习本上写。“愚蠢”
师:同学们,我们来看看这位同学写的。都写对了吗?你们看看题目,谁来说说呀,都写对了吗?请你说。那刚才这是谁写的啊?你能不能告诉大家要把愚字写正确,关键的笔顺是什么呀?。同学们看,就是这一长竖然后再写提最后一点。现在大家会写了吗?
师:你看,预习的时候不仅要读准字音,还要预习字形,试着再写一写,这样预习就更有效了!谁再来说说“蠢”字,怎样才能写漂亮?
师:观察地真仔细,这春字的一撇一捺要舒展。一起来看我写。写愚字要注意中间要一长竖,心字要拖住,写蠢字要注意,春字要舒展两只虫子藏下面,大家用这种方法再写一遍,看能不能写漂亮。
3、用简洁的语言说一说课文主要讲了一件什么事?
师:来说说吧,课文里写了哪些人物动物?
那它们之间发生了什么是啊?看着黑板,谁能用几句简单的话来说说!请你——
师:刚才他把内容说得很具体,语言可以再简单些!我们来看,我们和向导在加拉巴哥岛看到食肉鸟在啄一只幼龟,我们劝向导救了它结果却伤害了更多的幼龟。像这样,谁能再来说一说?
师:恩,这回说的比较简单了,也很清楚了,大家看先找出课文都写了谁,再说清楚他们之间发生的事,用几句简单的话就能把文章的主要内容说明白!
4、提出疑问
师:了解了文章的主要内容,你还有什么不明白?
师:你对大自然的动物感兴趣,这大自然啊,就像是一本永远读不完的书啊,让我们一起走进课文吧!
(一)学习课文3—5自然段
食肉鸟在啄一只幼龟的时候,我们都急死了,向导却若无其事,到底是看到了什么情节,让我们的向导有着截然不同的态度?哪个同学来读读三、四自然段,请你读第三自然段,你读第四自然段!
1.指生读第3、4自然段,思考:是什么样的情景让我们的向导有着截然不同的态度?
2、我们的向导究竟看到了什么样情景,使他有着截然不同的态度?读读文章中的句子。(生读有关的句子)
出示句子:突然,一只幼龟把头探出巢穴,却欲出又止,似乎在侦查外面是否安全。 学生齐声读句子。
指一位学生到前面来学着幼龟做做这个动作。
师和生谈话:你为什么要这么做?你的心里在想什么?
假如你遇见食肉鸟会怎样做?外面没有食肉鸟你会怎样做?你真是个称职的小侦察兵,同伴们非常相信你。
师:可就在幼龟踌躇不前,拿不定主意的时候,一只嘲鸫突然飞来,它用尖嘴啄幼龟的头,企图把他拉到沙滩上去。看到这种情景,我们和向导的表现有什么不同呢?
读第四自然段,思考我们和向导的态度有什么不一样?画一画有关的句子,想一想为什么?
指名说我们态度是:板书:紧张、焦急
请读一读有关的句子: 我和同伴紧张地看着眼前的一幕,其中一位焦急地对向导说:“你得想想办法啊!”
师:嘲鸫啊,连狗和人都敢啄,此时它正在啄一只小幼龟的头,谁再读读?
师:我听出了你的焦急,看到此情此景,游客们当然担心了,我们一起来读读吧!(齐读)
师:我们这么的着急,向导的态度是怎样的?板书:若无其事、极不情愿
出示句子:向导若无其事地说:“叼就叼去吧,自然之道,就是这样的。”
师:若无其事是什么意思啊?
师:这下就理解准确了,那大家来读读这句话,想想向导为什么这么说?
4.教师采访学生:假如你就是向导,请问你为什么会这样说呢?
可能出现的回答:(1)向导没有同情心;(2)向导了解幼龟的生活习性,知道这种做法可能会给幼龟带来杀身之祸,但迫于游人的压力而不得不做。(3)也许他也没有意识到事情的后果会那么严重;(4)也许他更喜欢鸟类,他希望饥饿了的嘲鸫有口饭吃;(5)他这样做的目的只是想给其他人一个教训。
再出示句子:他极不情愿地抱起小海龟,向海边走去。
你从极不情愿又看出了什么?
(向导非常不愿意去做这件事情。但是看到同伴们着急,心里过意不去,就只好抱起小海龟,按照我们的要求把小海龟放进了大海。)
师:是啊,向导非常不愿意去做这件事情,我们体会着一起读一读。
那只小海龟得救了,我们应该感到高兴,但是作者在后面的课文里却写道:“我们干了一件愚不可及的蠢事。”这到底是什么原因呢?自己默读剩下的课文段落。
(二)学习课文6-8段。
首先来回答:为什么说我们干了一件愚不可及的蠢事?
学生可以从多个方面去说,注意表达的顺序。
1、说到侦察兵时,
2、教师出示句子:抱走幼龟不久,成群的小幼龟从巢穴里鱼贯而出——
3、从这些红色的词语中,你体会到了什么?(幼龟的多,都争着向外爬)
4、师问生:如果你就是巢穴里的一只小幼龟,你来告诉大家,你们为什么要争先恐后的爬出来?
(我们派出去的侦查兵没有回来,他肯定看到外面没有危险,而是匆匆忙忙地去大海了。如果遇到什么危险,他会返回巢穴中的。)
这说明了向导抱走了小海龟是给了后面的小海龟一个错误的信息。就是这个错误的信息使成百上千的小幼龟提前出了巢穴,接着又导致了什么后果呢?
学生接着谈一谈。
5、师:是啊,数十只小幼龟已经成了食肉鸟的口中之食,多么惨烈的一幕啊。这些小幼龟被食肉鸟们吃掉时,又是怎样的场景呢?请大家结合课本上的插图,想象当时情景。看,一只幼龟正兴奋地向前爬着,它正在美滋滋地想:“我就要见到我亲爱的妈妈啦!忽然一只鲣鸟飞快地俯冲下来,使劲地啄它的头。小幼龟被这样的突然袭击吓坏了,它本能地把头和四肢缩进了壳里。那只鲣鸟并没有放弃对幼龟的袭击,它用又尖又长的嘴朝着幼龟的壳里使劲地啄,几下子就把幼龟的头啄得血淋淋的。一会儿,小幼龟变得血肉模糊,失去了知觉,四肢无力地伸出了龟壳。鲣鸟津津有味地把幼龟吃了下去。
下面让我们来展开想象,选出其中一种情况写一写,看谁写的具体形象。
一只幼龟看到同伴都向前爬去,它也加快了脚步,可就在这时——
一只幼龟便向前爬着,边想回头招呼自己的同伴,可是它还没有张开口,就——
一只幼龟正低着头奋力地向前爬着,忽然听见同伴一声惨叫,它还没有回过神来,就—— 一只幼龟刚刚把脑袋伸出巢穴,想追赶同伴,可就在这时——
一只幼龟经过奋力地爬行,终于到达了海边,它激动地想:“我终于可以在美丽的大海里生活了。”突然——
……
学生读自己写的句子。
师:我们亲眼目睹了这样凄惨的场景,感到了震惊,急忙学着向导的做法在海滩上营救着小海龟,累得气喘吁吁,但是这已经无济于事了,对小幼龟的弥补也是谨小慎微的。所以——
6、出示重点句子,引导学生理解。
(1)不一会儿,数十只食肉鸟吃得饱饱的,发出欢乐的叫声,响彻云霄。
老师:食肉鸟们因为吃了无数的小幼龟而高兴地叫着,但是活下来的小海龟这时候会怎样想?它们会对我们说什么呢?
采访学生:你会说什么?
假如你就是那只小小的侦察兵,你在大海里也亲眼目睹了这一切,你是不是应该为我们救了你而感到高兴呢?
学生回答。
师总结:我们好心却做了这愚不可及的蠢事,并没有得到幼龟们的感谢,所以—— 出示句子:我和同伴慢慢地走在沙滩上。向导一边走一边发出悲叹:“如果不是我们,
这些海龟根本就不会受到伤害。”
从这两句话,你体会到了什么?(伤心)板书:伤心
(2)比较句子,体会“悲叹”在表情达意上的作用。
a.向导一边走一边说:“如果不是我们,这些海龟就不会受到伤害。”
b.向导一边走一边发出悲叹:“如果不是我们,这些海龟根本就不会受到伤害。”
师:加上“悲叹”好在哪里?(能体现出向导极度悲伤难过的心理。)
板书:悲伤
“根本”可以换成什么词语?
向导为什么会如此悲伤?(非常自责、后悔——幼龟的灾难他有不可推卸的责任) 师:是啊,幼龟的美好愿望,就因为我们全都破灭了呀!谁再来读一读。
四、总结提升
师:是啊,同学们,幼龟入海有原本他们自己的办法,可是现在,看着沙滩上血迹斑斑的幼龟的残体,回想我们当时的做法,如果你就是游客,你想说些什么呢?
师:如果你是向导,此时,你又有什么想说呢?
师:是的,应该坚持自己的想法啊!同学们,正如你们所说的,、大自然原本是那样的神奇,每种动物啊,都有他们自己的生存规律,这就是自然之道!
大家刚才提到了,我们应该遵循规律(板书:遵循),了解规律,尊重这些规律,才不会好心办了坏事,这也是自然之道所要告诉我们的。
师:同学们,大自然有许许多多的奥秘。我们可以多读读课文,多看看课外书,从书中继续探索大自然的奥秘!当然啊,我们也可以到大自然中,去实践去体验。老师这里给大家推荐一本书《大自然的奥秘》,大家课下可以找来读一读,相信你会有更多的收获!
板书:
自然之道我们紧张 焦急
(遵循)向导若无其事 极不情愿
《自然之道》教学设计及反思篇十四
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《自然之道》教学设计及反思篇十五
《自然之道》是人教版四年级下册第三组中的一篇反映人与自然关系的课文。自然万物,有着它自己的生存方式和规律,在自然面前,我们人类该作些什么呢?课文通过一件发生在一群旅游者身上的具体事例来告诉我们,如果不按照自然规律办事,往往会产生与我们的愿望相反的结果。揭示了“自然之道不可违”的自然规律。
体会文章所表达的思想感情。
1、认识7个生字,会写14个生字,能正确认读并理解 “旅游、侦察、愚蠢、争先恐后、若无其事 、欲出又止、鱼贯而出、愚不可及”等词语含义。
2、有感情地朗读课文,理解课文内容,体会文章表达的思想情感,从中受到做事要遵循自然规律的教育。
3、理解课文中“自然之道”的含义。明白做事情要了解自然之道,遵循自然之道。丰富见闻,能联系生活和阅读中的经验发表自己的见解,激发探究大自然规律的兴趣。
一、故事导入,引出“道”
1、导入:同学们,大自然气象万千,美丽无比;充满生机,也充满神秘。今天,我们一起走进大自然,来学习一个真实而又引人深思的故事——《自然之道》(板书)
2、齐读课题,思考提问:你认为这里的“道”是什么意思?(道理、规律)
二、初读课文,感知“道”
1、自读课文,读顺读懂
请同学们认真读课文,要读准字音,读通语句,有不懂的词语要联系生活或上下文想想意思,读完后思考一下这个故事主要讲什么。
学生自读课文,教师巡视帮助时表扬好的读书习惯和方法。
2、检查词语,想象画面
刚才同学们读得都很投入,有信心接受检查吗?老师这儿有几组词语想请你们读一读,出示第一组:巢穴 欲出又止 侦察 踌躇不前 嘲鸫 用尖嘴啄 企图
① 看,谁会读这组词语?其他同学认真听,看仔细。抽一生读词语。
②读着这些词语,你仿佛看到了怎样的画面?(生说)
③能把画面读出来吗?(齐读)
出示第二组:焦急 若无其事 极不情愿 颓丧
① 抽一生读词语。(生读)这些词是描写谁的?
②现在会读的同学举手,我们一起来读。
出示第三组:鱼贯而出 争先恐后 结队而出
抽一生读词语。(生读)看到了怎样的场面?
出示第四组:补救 气喘吁吁 饱餐一顿 响彻云霄 后悔不已 愚不可及
能用上这词语说一段话吗?
3、抓关键词,练说主要内容
①把这四组词语连起来想一想,选上一些词说说课文写了一件什么事?
②选择上面的词语填写在下面的括号中。我也写了一段,谁能选上面的词填一填。
我和同伴及一个生物学家向导,结队来到一个小岛旅游,观察幼龟是怎样离巢进入大海的。看到一只探头出穴的幼龟被嘲鸫咬啄时,不顾向导劝阻,(愚不可及)地要向导把幼龟抱向大海。成群的幼龟以为外面很安全,就从巢中(鱼贯而出),结果让食肉鸟(饱餐一顿)。“我们”(气喘吁吁)地拯救了一些幼龟,还是不能解决问题。真是令人(后悔不已)。
三、换位思考,感悟“道”
学习三至五自然段
(一)学生自主学习
我们因为不懂得绿龟的生存之道,好心办了一件蠢事,我们对自己的评价用课文的词语说就是(愚不可及)。
出示(比较):我们干了一件蠢事。
我们干了一件愚不可及的蠢事。
蠢事已经说明了事情是错误的,为什么还要在前面加上一个“愚不可及”呢?
书写“愚蠢”都是形声字,愚:心里想的和平常人不同,违背常理。板书“愚” “蠢” 形声兼会意字,春天到了,许多小虫子从冬眠中苏醒过来,开始蠕动,如成语蠢蠢欲动,后由虫蠕动时缓慢蚩蚩的样子引申出愚笨、苯拙之义。
读读这句话,你认为作者在说这句话时带着一种什么样的心情?(后悔与自责。)读
现在我们就是那一行游客,回想自己所做的一切,觉得哪些行为已经是愚不可及了呢?细细读课文3-4自然段,把有关的内容都找出来,细细体会,在旁边写上批注。(生读书,从书中找依据,四分钟后)
我们每个人都能静心读书。好,现在把自己的想法说一说,你们怎么就觉得自己是愚不可及的呢?先读课文再谈感受。
生:(读文)“突然,一只幼龟把头探出巢穴,却欲出又止,似乎在侦察外面是否安全,正当幼龟踌躇不前时,一只·····企图把它拉倒沙滩上去。”(谈感受、理解词语、感情朗读)
同学们能从书上找到有关的句子,这一点很好,怎样把书上的语言变成自己的理解呢?你们看,我也是那其中的一位游客,我是这样想的:
(二)指导把书本语言转换成自己的语言
1、老师举一:(课件出示书本语言和老师转化后的语言比较)
突然,一只幼龟把头探出巢穴,却欲出又止,似乎在侦察外面是否安全,正当幼龟踌躇不前时,一只嘲鸫突然飞来,它用尖嘴啄幼龟的头,企图把它拉倒沙滩上去。
我们的确愚不可及,幼龟把头探出巢穴,却欲出又止,感觉是在侦察外面是否安全,还看到嘲鸫啄乌龟的头。其实已经知道这只乌龟是侦察员啊,为什么没有想到不要阻止绿龟的行为呢?
2、反三:让学生分小组组织语言通顺地表达。
象老师这样把自己读书的成果和同伴交流一下。
你们还找到了哪些句子说明自己愚不可及的。 生汇报,出示语段
向导却若无其事地答道:“叼就叼去吧,自然之道,就是这样的。”……向导极不情愿地抱起那只小龟,朝大海走去。
1、向导看到了嘲鸫啄乌龟的头一点也不吃惊,还说这是自然之道,没有什么,我们还不相信,太不信任向导了,真是愚不可及啊!
2、我们是很蠢,向导极不情愿地抱起那只小龟,朝大海走去,我们怎么没有想到向导的提醒是正确的呢?
3、向导说这番话,其实自己已经对幼龟离巢入海心知肚明了,才这样的冷淡、这样若无其事的。我们却不明白。
4、向导的神态是那样平静,说话的语气也是若无其事,言下之意是说,这是大自然的规律,是太平洋绿龟防护天敌、自我保护的手段。我们竟然不相信,还责怪向导,向导是没有办法的情况下才极不情愿地把小乌龟抱回大海的。我们真是愚不可及啊!
愚不可及的事还有呢?当我们了解了事情的真相后更是认为自己愚不可及了。
出示:成群的幼龟从巢口鱼贯而出。……那只先出来的幼龟,原来是龟群的“侦察兵”,一旦遇到危险,便会返回龟巢。那只幼龟被向导引向大海,巢中的幼龟得到错误信息,以为外面很安全,于是争先恐后地结伴而出。
学生齐读
我们的愚不可及造成的结果是可悲的,尽管我们来回奔跑,尽管我们拼命拯救,还是给幼龟们带来了很大的伤害。看我们做了些什么——出示句子:(生读文)“数十只幼龟已成了嘲鸫、海鸥、鲣鸟的口中之食。”
一只幼龟得救了,无数只幼龟丧生了----看我们做了些什么——出示句子:(生读文)“数十只食肉鸟吃得饱饱的,发出欢乐的叫声,响彻云霄。”
一只嘲鸫飞走了,数十只食肉鸟欢笑了——这就是我们做的蠢事。别看这小小的绿龟,他们也是有的一套躲避危险、防御危险的办法!可这样的办法却被我们给破坏了,(出示):“我们干了一件愚不可及的蠢事!”
课文最后2个小节里的每个字,每句话,甚至是每个标点,都跳动着作者那难以言说的痛苦!因为——(再出示):“我们干了一件愚不可及的蠢事!”
三、词语盘点,写话练习
1、我们深深自责,我们追悔莫及,因为我们自作聪明,好心办坏事。现在只能向绿龟表示深深的歉意,请拿起笔,可以给他们写信,可以写写你心里的感受,或是从这件事中受到的教训,得到的启示。课文里有许多好词语,我们一起来读一读,记一记,把他们存入我们的记忆仓库里。好!给你们5分钟写,待会儿交流。
2、其实,违背“自然之道”的故事我们学习过不少。如:《我要的是葫芦》、《拔苗助长》、《一个小村庄的故事》……它们讲的都是同一个道理。自然万物,有着它自己的生存方式和规律,在大自然面前,我们人类要想不犯错误,首先就要了解自然之道,遵循自然之道。
四、走出文本,内化“道”
1、走进大自然,去观察动物、植物的生长或其他自然现象。走入大自然,留心观察一下,生活中还有哪些违背自然规律的行为。
2、读青少年知识普及读物《大自然的启示》
3、登录“人与自然”的相关网站了解自然之道。
按这样的流程上下来,课堂气氛沉闷,只有几个优生与文本、与老师对话。原因有三:1、开课直截了当,没为学生做情感铺垫,修改为故事引入。2、抓关键词,练说主要内容,设计有难度,学生不能把词准确填入。修改为学生自己谈主要内容。3、换位思考“书入我心,我入书中”是特别有效的教学方法。你是那一行游客,觉得哪些行为是愚不可及?学生细读之后有汇报,但不深入,参与面不广。修改为抓重点字词研读,理解词语,朗读好句子。降低难度,面向全体。
《自然之道》教学设计及反思篇十六
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《自然之道》教学设计及反思篇十七
1、认识7个生字,会写14个生字,正确读写“旅游、侦察、愚蠢、争先恐后、若无其事”等词语。
2、有感情地朗读课文,理解课文内容,体会文章表达的思想感情,从中受到做事要遵循自然规律的教育。
3、丰富见闻,激发学生探究大自然对人类启示的兴趣。
1、会写14个生字。
2、理解课文内容,体会文章表达的思想感情,从中受到做事要遵循自然规律的教育。
教师课前在小黑板上抄写生字新词和两组需要比较的句子。
两课时
教学过程 〖你正在浏览《老百晓在线》提供的文章
1.故事导入。
这是我亲身经历的一件事。那是我上小学五年级的时候,有一次放学,我背着书包正往家里走,突然,我发现前面不远处的麦地里,一只喜鹊正扑腾着翅膀,却怎么也飞不起来。于是,我疾步走上前去,抱起那只喜鹊。我发现,那只喜鹊的翅膀受伤了。我连忙把那只喜鹊抱回家,用碘酒擦洗它的伤口,敷上消炎药,把它包扎好。不几天,那只喜鹊好了。我很喜欢它,怕它飞跑了,于是就把它的翅膀尖给剪了,并用罩子把它罩住。我每天给它食吃,给它水喝,精心喂养。可是没多久,你们猜,它怎么了?(它却死了)
2.引出“道”。
是呀,这是为什么?我们今天要学的这篇课文讲的就是这个道理。
板书课题。
3、读题,解释“道”。
学生读课题,说说这里的“道”是什么意思?
1、自读课文
要求:读准生字词,读通句子。(遇到不认识的字查字典,注意培养学生运用工具书的习惯)
2、认读生词:旅游筑巢幼龟沙滩侦察企图蠢事返回海鸥补救争先恐后欲出又止若无其事见死不救鱼贯而出愚不可及气喘吁吁响彻云霄
(小黑板展示,对于“若无其事”等词语,可以引导学生通过表演等方式理解)
3、名分段读课文。要求:把课文读准确、读通顺。(对于比较难读的句子,可以让学生齐读或挑战读)
4、初读交流:读了课文,你知道了什么?还有什么地方不懂?(注意:要将学生提出的不懂的地方进行梳理、归纳,并及时解决;若不能马上解决,可以简单板书,在后面的教学中相机处理,在此环节上绝对不能走形式。)
1、出示句子“我们干了一件愚不可及的蠢事。”
方法:这是一件什么“蠢事”呢?我们读了三、四、五自然段就明白了。自由读三、四、五自然段,等一会儿,我们来分角色演这个情景。
注:要根据学生的实际情况来深入研读,对于细节部分要反复推敲,不能读读了事,还要把字词的理解同表演结合起来,如“突然,一只幼龟把头探出巢穴,却欲出又止……”就要把幼龟当时的神态、眼神体会出来。
2、演中促读,演中理解
(1)请一个学生朗读第三自然段,请两个学生分别扮演“幼龟”和“嘲鸫”,大家边听边看。表演后评议,教师抓住“欲言又止”、“踌躇”评议“幼龟”的表演,并理解这两个词语的意思,比较并书写“幼”和“幻”这两个字;引导学生抓住“突然”、“啄”、“拉”评议“嘲鸫”的表演,范写“啄”字。
(2)先找出第四自然段中表示感情和表情的词语,如“焦急”、“冷淡”、“若无其事”、“极不情愿”、“颓丧”,自由读该段,要求读出各自的表情。再分角色朗读,教师引导学生通过范读、模仿读、比赛读,初步读出感情。最后指名上台表演,教师采访“向导”扮演者:你说“叼去就叼去吧,自然之道,就是这样的”,这是什么意思呢?引导学生初步理解这句话的意思。
3、想象课文描写的场景,分组再说一说。
4、讨论:我们干了一件什么“蠢事”?
5、比较句子:
我们干了一件蠢事?
我们干了一件愚不可及的蠢事?
注:通过比较,并联系课文明确:我们的确是弄巧成拙,好心办了坏事,是“愚不可及”。然后范写“愚蠢”,学生多练习几遍。
本来想帮助幼龟,结果却让许许多多幼龟成了食肉鸟的食物,在让人惋惜的时候,它带给了我们怎样的启示呢?下节课,我们再来看看!
《自然之道》教学设计及反思篇十八
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《自然之道》教学设计及反思篇十九
通过学习《自然之道》,了解课文告诉我们的道理:如果不按自然规律办事,往往会产生与我们的愿望相反的结果。我们要尊重自然,做事要遵循自然规律。
1、理解课文内容,体会文章表达的思想感情。
2、了解课文告诉我们的道理:如果不按自然规律办事,往往会产生与我们的愿望相反的结果。我们要尊重自然,做事要遵循自然规律。
3、有感情地朗读课文。
4、理解“左右”“一般”在表达意思上的作用。
5、学会“媚”1个会认字和“孵、穴、颓、愚、蠢、媚、霄”7个会写字,掌握“孵化、巢穴、颓丧、愚不可及、蠢事、明媚、响彻云霄”等词语。
体会“我”和同伴们在事情发展过程中情感和认识上的变化。
了解课文告诉我们的道理;初步了解用具体事实来说明道理的表达方法。
相关课件和资料。
一、整体回顾,把握课文主要内容。
1、今天我们继续学习第23课,大家一起读读课题——《自然之道》。
题目“自然之道”是什么意思(从字面理解即可)
2、作者是通过一件什么事来说明自然界规律的呢?快速默读全文,回顾一下课文写了一件什么事。
(作者和同伴看到一只探头出穴的幼龟被嘲鹰咬啄时,不顾向导的劝阻,非要向导把幼龟送往大海。巢中的幼龟得到错误的信息,以为外面很安全,就从巢中鱼贯而出,结果许多幼龟成为食肉鸟的口中之食。)(板书:“我”和同伴向导)
二、细读课文,体会作者和同伴们在事情发展的过程中,情感和认识上发生的变化。
(一)是啊,这件事在“我们”心中留下了刻骨铭心的印象,“我们”的内心也随着事情的发展不断产生着变化。在事情发生的前前后后,“我们”的情感为什么会发生那么大的变化?从这种变化中,大家又能感受到什么,认识到什么呢?需要我们很好地默读课文,用心去感受。
请看屏幕:出示自学提示。指名读——
自学提示
1、“我”和同伴们的感情经历了哪些变化?你是从哪些语句看出来的?
2、读读这些语句,通过朗读表达出感情的变化。
3、自学后同桌进行交流。
(二)默读自学
(三)全班交流。
1、读出相应的段落,从整体说感情变化线,并板书
紧张焦急极为震惊自责懊悔
2、指导有感情地朗读重点句
(1)指名读课文,引导:他把“我们”和向导当时的那种心情读出来了吗?
再引导:你们想从他的朗读中听出什么呢?怎么读才能读出来呢?
自由读:“我和同伴紧张地看着眼前的一幕,其中一位焦急地跟向导说:‘你得想想办法啊!’”
指名读:“我和同伴紧张地看着眼前的一幕,其中一位焦急地跟向导说:‘你得想想办法啊!’”
师接读:“向导却若无其事地答道:‘叼就叼去吧,自然之道,就是这样的。’”
(2)你们听出我们俩的感情有什么不同了吗?
(与我们的紧张、焦急相比,向导是那样的平静,甚至是冷淡。)
(板书:若无其事)
是呀,心情和想法不同,说话的语气、语调就不一样。出示文字
向导却若无其事地答道:“叼就叼去吧,自然之道,就是这样的。”
大家再读向导的话——你们说向导这时心里想什么呢?
理解:(透过语言文字进行揣摩)
“若无其事”:好像没有那么回事似的,认为这事很平常。
“自然之道,就是这样的”:这里指嘲鹰就是以幼龟等小动物为食,来维持自己的生命。
(3)假如我就是那位向导,你们就是作者和他的同伴,大家愿意和我一起来再现一下当时的情景吗?
(幼龟侦察图配乐)
海风轻拂的日子里,黄昏的沙滩上传来一点点细微的动静。在依然明媚的阳光中,可以清晰地看到一只小绿龟从巢中悄悄探出头来,四处张望,一边感受这个属于它们的新世界,一边似乎在侦察外面是否安全。正当它要迎向大海中那未知的生命旅程时,一只嘲鹰突然飞来,眼看一场灾难就要降临了……
(嘲鹰啄食图配乐)
你们看到眼前的一幕,很紧张,其中一位焦急地对我说:——“你得想想办法啊!”
“叼就叼去吧,自然之道,就是这样的。”没想到我的这句话招来了你们的一片呼喊。你们都向我喊什么了?指名说——
“不能见死不救啊,向导,求求你快救救小海龟吧!”(哀求)
“向导,这些小生灵也是有生命的啊,不能让它成为食肉鸟的美餐!”(劝告)
“向导,你怎么这么无情啊!”(指责)
“你必须把它送到大海去!快点!嘲鹰就要把它叼走了!”(命令)
……
从这一片呼喊声中我们感受到了作者他们那颗善良的心!
(4)但是当时大家只知道什么?不知道什么?
(只知道的内容:联系第2自然段:小龟轻、体型弱小,嘲鸫庞大,小龟会被嘲鸫吃掉;小龟的目的是离巢去大海,如果被伤害,目的就达不到了。
不知道的内容:向导的话的含义,所以不理解向导:不懂得自然界的规律。
3、向导在大家这一阵阵急切的呼喊声中,出于无奈,只好极不情愿地抱起那只小龟,朝大海走去。(板书:极不情愿)
后来大家理解他了吗?看到什么就理解了?小声读5——8自然段
理解了。因为看到了令人极为震惊的场面。指名读第5自然段中的第1、2句话和第6自然段。
(抓住“成群成群”、“鱼贯而出”“无遮无拦”等词进行理解)
看到这场面,“我们”终于明白了——
我们干了一件愚不可及的蠢事:这段话的内容和前面哪段话内容紧密相连?请两位学生读一读。
生1:“突然,一只幼龟把头探出巢穴,却欲出又止,似乎在侦察外面是否安全。”
生2:“那只先出来的幼龟,原来是龟群的‘侦察兵’,一旦遇到危险,它便会返回龟巢。现在那只幼龟被向导引向大海,巢中的幼龟得到错误的信息,以为外面很安全,于是争先恐后地结伴而出。”
明白之后我们终于理解向导了——
向导的表现并不是冷酷无情,而是了解自然规律的一种坦然与自信。明白之后我们是怎么说的?怎么做的?读第7自然段。(简单谈理解)
回过头来再读第4、7自然段:同桌分工合作朗读——一人读向导的表现,一人读大家的表现。(感受“我们”的变化)
4、谈出最大的收获
(1)惨剧的发生,仅仅让“我们”明白了我们干了一件愚不可及的蠢事,仅仅让“我们”理解了向导的所作所为吗?指读第8自然段。
(2)经历了触目惊心的一幕之后,一切似乎都寂然静止了,但是大家的心情是不平静的,可以说是百感交集啊。那么此时此刻大家在想些什么呢?
(自责;反思;忏悔……)
(4)终于,向导发出了他的悲叹——
出示文字
向导发出了他的悲叹:“如果不是我们,这些海龟根本就不会受到伤害。”
他在为什么而悲叹?(板书:悲叹)(为人们的无知,为因人们的无知而受到伤害的小海龟)
(5)事情到这儿就结束了。课文通过这件事想告诉我们一个什么道理呢?齐读第9自然段。
是呀,这像名言警句一样的话语,有什么可琢磨的吗?(结合自己的感受和阅读的相关资料谈。)
①自然界的万物,优胜劣汰。自然界中的万物,都是在竞争中求得发展,求得平衡:食肉鸟要吃小龟这样的小动物,才能生存;而太平洋绿龟为了生存繁衍,大量产卵,也不会灭绝。
②地球是动物和人类共有的家园,人类不能认为可以主宰动物的命运。
③如果不尊重动物的生活规律,一厢情愿地保护它,反而适得其反。(《狼和鹿的故事》)
④我们人类不能因为自己是万物之灵就为所欲为,那样就会伤害动物,造成一些动物的毁灭。(《曾有用鼻子走路的动物》)
⑤熟知自然、了解自然,才能尊重自然。(《小岛上的故事》)
…………
三、拓展练笔
1、从大家的发言可以看出,我们在作者讲述的这件事中也悟出了道理,得到了启迪,对“自然之道”有了更深的理解。假如你是向导,假如你是随行的同伴,假如你是小海龟中的一员,或者你就是一位读者,在经历了这件事之后,你想跟大家说点什么呢?请你以其中的一种身份,从一个角度,把自己的感悟写下来吧。
2、交流写作的内容。
四、教师小结
大自然是最好的老师,它给我们人类上过的课的确很多很多。它总是以其独有的方式使我们感受到它的奇妙与深刻。让我们更好地去探究自然,了解自然,真正地与大自然和谐相处!
“我”和同伴:紧张焦急极为震惊自责懊悔
自然之道理解
向导:若无其事极不情愿悲叹
《自然之道》教学设计及反思篇二十
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《自然之道》教学设计及反思篇二十一
1. 学会本课十个生字及新词,认读5个字。
2、有感情地朗读课文,培养朗读能力。
3、抄写自己喜欢的句子,积累语言。
4、了解课文内容让学生产生热爱和保护动物的感情。
5、能把读了这篇课文后的想法写下来。
教学重点:了解课文内容,懂得如果违背了自然界的规律,有时好心也会办坏事。让学生产生热爱和保护动物的感情。
教学难点:理解课文“不是我们人类,这些海龟根本就不会收到危害”这句话的意思,并体会带点词语在表达上的作用。
教学要求:初读课文,了解课文内容;学会本课生字新词。
师;我们每个人都生活在大自然之中,自然界有着自然界不可改变的规律,今天我们就来学习一篇关于自然界法则的故事。
板书课题:14、自然界之道
1、要求:请大家自由读故事,借助生字表及字典读准字音。
2、提示:读正确的同学将课后的生字朋友的名字读一读。
3、激发兴趣:有信心接受挑战吗?
(1)出示课件:
(2)课件出示词语:
提示:边读边思考:哪个词语的意思不懂。
4、提示:把词语送回到课文中,做到读流利。带着生字新词读课文做到正确流利。
5、谁愿意把你的朗读成果展示给大家?
6、引导:说说课文讲了一件什么事?
1、自由记忆字形。
2、谁来把你最好的记字方法展示给大家?
3、激发兴趣:让我们为他们找找朋友吧!
4、引导:观察每个生字,你觉得在写的时候哪些字的哪些地方要提醒大家?
五.布置作业:选择自己喜欢的作业:
朗读课文,通顺流利。
书写本课生字并组词语,看谁写得漂亮、组得多!
抄写自己最喜欢的词语和句子。
文本分析:这篇课文用实实在在的语言,讲述了一个打动人的故事。这件事告诉我们:爱护动物就要了解它们,了解自然法则,只有遵循自然界的规律,才能把事情办好。
《自然之道》教学设计及反思篇二十二
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《自然之道》教学设计及反思篇二十三
1、知识目标:掌握本课生字词。
2、能力目标:有感情朗读课文,理解课文内容,体会文章表达的思想感情,从中受到做事要遵循自然规律的教育。
3、情感目标:丰富见闻,激发学生探究大自然规律的兴趣。
1、理解课文内容,体会文章表达的思想感情,从中受到做事要遵循自然规律的教育。
2、丰富见闻,激发学生探究大自然规律的兴趣。
教学过程:
(一)看图想象,感知惨状
同学们,这节课我们继续学习第九课,请大家齐读课题。经过上节课的学习,我们已经知道课文讲的是我和同伴到(南太平洋加拉巴哥岛旅游 ),因(救了一只海龟)而(伤害了许多海龟的事)。这就是课文的插图。
(二)探究原因,逐步悟道
一、从图片上我们感受到许多的小海龟受到了海鸟的袭击,这真是惨不忍睹的一幕,造成这一惨状的原因是什么?请同学们从文中找出一句话来概括。(文中句子:我们干了一件愚不可及的蠢事)结合课文说一说,这件愚不可及的蠢事是什么?(救了一只幼龟)
二、对于这件事,你们有什么疑问吗?(学生质疑)
三、整理学生的问题
a、我们救幼龟的原因是什么?
b、为什么说救一只幼龟是一件愚不可及的蠢事?
现在,就请你们打开书,带着这些问题去读一读课文,找出相关的语句并做好批注。
四、交流,汇报以上问题。
读完了课文,我们先来探讨第一个问题
1、“我们”救幼龟的原因是什么?谁来读读你从文中找出相关的句子。
a:看见探头幼龟遇险
出示:突然,一只幼龟把头探出龟巢,却又欲出而止,似乎在侦察外面是否安全。正当幼龟踌躇不前时,一只嘲鸫突然飞来,它用尖嘴啄幼龟的头,企图把它拉到沙滩上去。
让我们一起来读读这段文字。
在读的过程中,哪些词语让你有特别的感受?
2、点拨:“欲出又止”是什么意思?它的出是为了什么?那么止呢?想出来又不敢出来,这就是欲出又止。请从这段话中找一个与它意思相近的词语——踌躇不前。
小幼龟的欲出又止完全是有道理的。因为:正当幼龟踌躇不前时,一只嘲鸫突然飞来,它用尖嘴啄幼龟的头,企图把它拉到沙滩上去。
3、你们了解嘲鸫吗?它是一种异常凶猛的海鸟,不仅捕捉体型小的动物,有时甚至攻击跟狗一样体型庞大的动物。试想一下,弱小无助的幼龟面对如此凶猛的天敌,处境多么危险,这个场面多么令人紧张、担心啊!此时此刻,如果你在场,心情会怎样?(紧张、揪心)来我们一起来读一读
b、不顾向导的劝阻
师:(过渡)此时此刻,面对一只可爱、鲜活的幼龟,而它正危在旦夕,人们怎能无动于衷?如果你在现场,面对这样揪心的一幕,你会怎么做?
那文中的我和同伴的反映是什么?请同学们自己读第四自然段,用不同的符号做好记号。
课文是怎样描写我和同伴的反映的?——谁来读读这个句子,文中是用哪些词语形容我们的心情吗?紧张、焦急
是啊,我们着急,我们揪心,再来读读这个句子。向导的态度怎样?可是向导却若无其事。谁来读读向导的话。文中用了哪一个词来形容——冷淡,让我们一起再读读这个句子。读到这里,你对向导说的自然之道有什么理解?(不要管他,随它去吧……) 板书:自然之道,就是这样的
师:向导的冷淡,招来了同伴的一片“不能见死不救”的呼喊。看来,我们救它的态度很坚决。
师:向导在我们无知而又激烈的逼迫下,是怎样做的?
出示:向导极不情愿地抱起小龟,朝大海走去。那只嘲鸫眼见着到手的美食丢掉,只好颓丧地飞走了。
想一想,这个句子中的哪个词语进一步说明了向导的冷淡?“极不情愿”,向导不情愿是为什么?是不想救海龟吗?——是因为他知道“自然之道,就是这样的。”现在,我们再来回读这一段的内容,通过不同颜色的词来比较一下作者及同伴的态度。
2、看来救海龟是理所当然的,是人之常情,那为什么说救一只幼龟是一件愚不可及的蠢事?
师(过渡)一只可爱的幼龟得救了,我和同伴以为做了一件好事,可是出人意料的事发生了。出示:然而,接着发生的事情让大家极为震惊。向导抱走幼龟不久,成群的幼龟从巢口鱼贯而出。
从这个句子中体会到了什么?(幼龟多、爬行的速度快)从哪些词语体会到的?(成群、鱼贯而出)
师:为什么它们会成群的出来呢?如果你是其中的一只小海龟,侦察兵出去好一会儿了还没回来,你会怎么想?(哇,外面很安全,快爬呀,机不可失……)
师:是啊,带着一份向往,一份期盼,海龟们争先恐后地结伴而出。课文是怎样告诉我们海龟之所以结伴而出的原因的?
出示:那只先出来的幼龟,原来是龟群的“侦察兵”,一旦遇到危险,便会返回龟巢。那只幼龟被向导引向大海,巢中的幼龟得到错误信息,以为外面很安全,于是争先恐后地结伴而行。
师:成百上千的幼龟就这样浩浩荡荡地奔赴大海,成了黄昏海岛一道亮丽的风景。可就在这时,天空中出现了几十只食肉鸟。如果你是海滩上的上海龟们,你会怎么想?此时此刻,你们仿佛听到了什么?看到了什么?(金色的沙滩上满是小龟的血迹……)
师:是啊,幼龟遇险,游人怎能见死不救?救它是人之常情,而正是这人之常情,却给幼龟们带来了灭顶之灾。
三、设法补救,深化认识
1、师:由于我们的无知,巢中的幼龟得到错误信息,于是无遮无拦的一大段沙滩顿时变成了食肉鸟的天堂。想象一下,食肉鸟是怎么饱餐一顿的?(引导学生从动作、眼神、声音、气势等方面说,可以用上“有的……有的……还有的……”)我们可以想象一下食肉鸟当时的动作、叫声、还建议大家用上“有的……有的……还有的……”这个句式来描绘。
2、面对这样的惨况,向导是怎么做的?体会到什么?我和同伴呢?从哪些词语中体会到的?(比较不颜色的词语:摘、抓、奔、奔跑// 赶紧、迅速、气喘吁吁)尽管这样,我们还是不能弥补我们带给幼龟的伤害。
3、出示:不一会儿,数十只食肉鸟吃得饱饱的,发出欢乐的叫声,响彻云霄。此时向导又怎样?向导一边走一边发出悲叹:“如果不是我们,这些海龟根本就不会受到伤害。”
(1)向导为什么而悲?为什么而叹?
(2)我们再来对比一下事情前后他们的态度,一开始我和同伴的态度是焦急、紧张,现在是震惊、后悔,向导一开始是冷淡、而现在是悲叹。
(3)师:我们再来回想一下向导说的那句话:叼就叼去吧,自然之道,就是这样的。你还会劝告吗?你还会哀求吗?你还会指责吗?现在你对向导的话,有更深的理解了吗?(自然之道就是自然的规律)
4、写话练习:假如你是那只被叼走的小海龟,你想说 ;假如你是那只吃饱了的海鸟,你想说 ;假如你是亲身经历这件事的作者,你想说 。
(四)回归升华,真诚解“道”
1、师:我们本想帮助幼龟,结果却让许多幼龟成了食肉鸟的食物。在让人感到惋惜的同时,它给我们带来了怎样的启示呢?(自然处处有规律,要遵循规律,利用规律,为人类造福。)作者经历这件事,回来在自己的日记中写下这样一句话来告诫人们:人是万物之灵。然而,当人自作聪明时,一切都可能走向反面。——伯罗蒙塞尔 其实作者的这句话也是原自向导的这句话:自然之道,就是这样的。
2、向导那看似平淡的一句话,却是那么意味深长。其实在我们生活中,人类也曾因为不了解自然之道,违背自然界的规律,受到了大自然的惩罚。你了解哪些?(《拔苗助长》《被喂饱的熊是死熊》《一个小村庄的故事》)
(五)走出文本,内化“道”
1、完成小练笔。
2、走进大自然,留心观察一下,生活还有哪些违背自然规律的行为。
9、自然之道
自然之道,就是这样的。
遵循 保护
违背 伤害
《自然之道》教学设计及反思篇二十四
:深入学习海龟是怎样离巢进入大海的。
:理解课文内容,培养把握文章的主要内容,体会中心思想的能力。
通过学习懂得要研究和掌握自然规律,就要按自然规律办事,与大自然和谐相处,激发探究大自然规律的兴趣。
了解课文的主要内容,从中受到启示。
:理解向导的话,体会文章所要表达的思想感情。
《自然之道》是人教版四年级下册第三组中的一篇反映人与自然关系的课文。自然万物,有着它自己的生存方式和规律,在自然面前,我们人类该作些什么呢?课文通过一件发生在一群旅游者身上的具体事例来告诉我们,如果不按照自然规律办事,往往会产生与我们的愿望相反的结果。揭示了“自然之道不可违”的自然规律。
学情分析:
从四年级孩子现有的认知水平出发进行分析,四年级的孩子已经初步具备了阅读科普文章的能力,学生具有强烈的好奇心,喜欢探究大自然的奥秘,对自然现象有着关注的热情。所以对于这篇课文,学生是有学习欲望的。但是,学生的关注可能仅仅停留在表面。要引导学生对话文本,在读中感悟,在进行语言训练和语文能力培养的同时,注重学科整合。
课时安排:2课时
教学方法: 讨论交流的方法理解体会文章所要表达的情感。
教学手段:多媒体
板书设计:
遵循 救
人 自然之道 龟
违背 害
九、教学过程:
一、复习导入,引出故事情节。
1、师:这节课我们继续学习自然之道,(板书:自然之道)
2、师:听写(旅游 侦察 欲出又止 嘲鸫 若无其事 鱼贯而出 愚蠢)
3、对照投影检查,师范写“愚蠢”,把写错的改正过来,愚蠢两个字再写一遍。
出示词语:愚蠢 欲出又止 ……
4、师:根据这些词语,你能说说课文讲了一件什么事情?
5、师:看来,我们真的是干了一件愚不可及的蠢事。(齐读一遍)
出示:我们干了一件愚不可及的蠢事
师:假设我们就是这一群人,跟着向导一起上岛,看看在岛上我们都做了什么蠢事。
出示:阅读提示
1、自由读课文3—4自然段。
2、找出有关句子,把你的体会标注在书上。
3、把你的体会和你的同桌交流一下。
二、领悟“道”
(一)推敲关键词,感受小绿龟的处境。
1、从哪看出我们做了一件愚不可及的蠢事?
出示:
突然,一只幼龟把头探出巢穴,却欲出又止,似乎在侦察外面是否安全。正当幼龟踌蹰不前时,一只嘲鸫突然飞来,它用尖嘴啄幼龟的头,企图把它拉到沙滩上去。
(1)指名读这段话。
(2)哪些词句让你有特别的感受?(探、欲出又止、侦察)
师:你们能演一演小幼龟的动作吗?(一名学生读,其他学生做动作)这是个什么样的小幼龟?(机警、可爱、聪明)读一读这句话,指名读出幼龟的机警、可爱、聪明。
(3)与欲出又止意思相近的词是哪个词?(踌躇不前)幼龟踌躇不前,欲出又止是有道理的,你看“一只嘲鸫突然飞来,它用尖嘴啄幼龟的头,企图把它拉到沙滩上去。”
(4)师:你们看见过嘲鸫吗?嘲鸫是一种异常凶猛的海鸟,有时候甚至会攻击狗这样体形庞大的动物。试想一下,弱小无助的幼龟面对如此凶猛的天敌,又是啄又是拉,处境多么危险啊,此时你的心情是怎么样的?(紧张、担心)带着这样的感受一起来读,指名读!
(二)想象补充,体会游客与向导截然不同的态度。
(1)师:如果你就在现场,面对这样紧张的一幕,你会怎么做?那么同伴,向导又是什么反应?
同伴——焦急(那焦急地来读读同伴说的话)
向导——若无其事
(2)师:沙滩上真的没有事吗?(不是)是啊!我们着急,担心,揪心,向导却若无其事,谁来读读向导说的话?
师:在我们眼里向导是个什么样的人?(无动于衷、铁石心肠、无情、残酷)那我就要采访一下向导,看他怎么说?(我是中央台记者,我想问问你,你为什么要这么说?)
(3)此时,我和同伴对向导所说的“自然之道”是怎么理解的?(不要管它,随它去吧……)
(4)师:向导的冷淡,招来了同伴的一片(“不能见死不救”)的呼喊!同伴们会怎样呼喊呢?
师:你能用自己的话来劝劝向导吗?
(5)分角色朗读。出示课件四:
生:不能不见死不救啊
师:叼就叼去吧,自然之道,就是这样的。……
(6)在大家的劝导下,向导(极不情愿)的抱起那只幼龟朝大海走去,那只嘲鸫眼见到手的美食丢掉,只好颓丧地飞走了。向导是个生物学家,可他的话我们并没有信任,我们却认为应该救(板书:救 龟 )这只小幼龟,我们真是(愚不可及)啊!
(三)图文结合,比较分析,体会结局的残忍。
(1)师:然尔愚不可及的事远远不止这些,师范读5、6自然段。(边读边打开画面)
(2)师:我们干了一件什么蠢事?请找到有关的句子读一读。看看我们真的是做了一件愚不可及的事啊!此时此刻小幼龟们心理在想些什么?你从哪些词语体会到了他们的心情。
(3)师:这些幼龟将要面临什么灾难?我们又是怎么做的?默读七自然段。
(4)这样做是补救吗?对于绿龟,这样的做法,弥补得了付出的代价吗?
(师引读:看,)
不一会,数十只食肉鸟吃得饱饱的,发出欢快的叫声,响彻云霄。(理解欢快的叫声、响彻云霄)听到这样的声音,你的心情如何?(引导学生说出好心办了坏事)向导的心情呢?
(5)是啊,向导心理难受极了,我们救了一只,却伤害了无数只。(板书:害)
出示课件六:(师引读,学跟读)
我和同伴们低着头,在沙滩上慢慢地走。向导一边走,一边发出悲叹:“如果不是我们,这些海龟根本不会受到伤害。”
想想,如果不用“悲叹”,行不行?为什么?(齐读)
(6)师:现在我们再来回想一下向导之前说的那句话(出示向导的话,齐读)还会指责他吗?现在你该如何体会“自然之道”的含义?(大自然生存的方式)
(四)、写话练习
出示课件七:
写话练习:
假如我是葬身嘲鸫之腹的一只小幼龟,我想说……
假如我是一只吃得饱饱的嘲鸫,我想说…
假如我是亲身经历这件蠢事的作者,我想说……
请选择一个写一写。
小结:我们都感受到了人如果遵循自然之道,就会保护幼龟,如果人违背自然之道,就会伤害幼龟。(板书:人 违背 遵循 )这篇课文按事情发展的顺序写了我们好心办坏事的故事。
四、拓展延伸,内化“道”
师:你还知道哪些违背“自然之道”的事情吗?我们之前学过的,《一个小村庄的故事》《拔苗助长》《我要的是葫芦》《“打扫”森林》,都是讲自然之道的课文。
五、回归升华,真诚解“道”
师总结:其实,大自然的万事万物都有生存的规律,如果我们违背规律做事,就会得到与愿望相反的结果。
六、作业:
1、把故事讲给家长听,和家长一起探讨有关自然之道的事情。
2、收集有关人类从大自然中受到过哪些启发,有什么发明创造的资料。
《自然之道》教学设计及反思篇二十五
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《自然之道》教学设计及反思篇二十六
1.认识7个生字,会写14个生字,正确读写“旅游、侦察、愚蠢、争先恐后、若无其事”等词语,四年级下:《自然之道》教学设计。
2.有感情地朗读课文,理解课文内容,体会文章表达的思想情感,从中受到做事要遵循自然规律的教育。
3.丰富见闻,激发探究大自然对人类启示的兴趣。
阅读“单元导读”,引入新课
1.指名读“单元导读”,说说本单元专题是什么,有什么新的要求。
2.今天,我们先来学习一个真实而令人难忘的故事,初步了解大自然给人类的启示。(板书课题)
自由朗读,自主预习
1.按常规或按要求自读自学:把课文读两三遍,读通读顺;认读生字,找出生词,查字词典理解生词,标自然段序号,想一想课文大意。
2.出示小黑板,检查生字词认读与理解情况:指名读,想读哪些就读哪些,想说哪个词义就说哪个,有的词语可用形象表演的方式,如:“欲出又止、雨贯而出、气喘吁吁”等。
小黑板
旅游 筑巢 幼龟 沙滩 侦察 企图
情愿 蠢事 返回 海鸥 补救
争先恐后 欲出又止 若无其事 见死不救
鱼贯而出 愚不可及 气喘吁吁 响彻云霄
3.指名或推荐学生逐段朗读全文,检查是否达到正确、流利朗读课文,重点指导难读的句子,并多读几遍。
4.汇报:你读懂了什么?还有什么疑问?
师生共同确定学习目标与重点:了解课文大意,理解“自然之道”的含义并从中受到启发,有感情地朗读课文。
以演促读,感悟“蠢事”
1.出示句子:“我们干了一件愚不可及的蠢事。”
这是一件什么“蠢事”呢?我们读懂了三、四、五自然段就明白了。请自由读第三、四、五自然段,等一会儿,我们来分角色表演这三个自然段叙述的情景。如果你会表演了,也就读懂了,小学四年级语文教案《四年级下:《自然之道》教学设计》。
2.演中促读,演中理解:
a.请一个学生朗读第三自然段,请两个学生扮“幼龟”,带头饰上台表演,大家边听边看。表演后评价,教师引导学生抓住“欲出又止”“踌躇”评议“幼龟”的表演,并理解这两个词语的意思,比较书写“幼”和“幻”字;引导学生抓住“突然”“啄”“拉”评议的表演,范写“啄”字。
b.先找出第四自然段中表示感情或表情的词语,如:“焦急”“若无其事”“冷淡”“极不情愿”“颓废”,自由读该段,要求读出各自的表情。再分角色朗读,教师引导学生通过范读、模仿读、比赛读,初步读出感情。最后指名上台表演,教师采访“向导”扮演者:你说“叼就叼去吧,自然之道,就是这样的”,这是什么意思呢?引导学生初步理解这句话的意思。
3.想象课文描写的场景,分小组再说一说。
4.回答:我们干了一件什么样的“蠢事”?
5.比较句子:下面两个句子有什么异同?
我们干了一件蠢事。
我们干了一件愚不可及的蠢事。
通过比较,并联系课文明确:我们的确是弄巧成拙,好心办坏事,是“愚不可及”。然后范写“愚蠢”,学生在草稿本上写两遍。
课堂小结,完成练习
自主读课文,遍数自定,抄写生字新词。
导读课文,感悟“启示”
1.观察课文插图,说说图意。
2.课文第六、七自然段就描述了这幅图的情景,请大家再自由读一读。
3.默读六、七自然段,展开想象:食肉鸟是怎样“饱餐一顿”的?请大家展开想象写几句话,描述一下,并写一点自己的感受。
4.指名读自己写的片段,表达出自己的心情。
5.比较句子,体会“悲叹”“根本”在表情达意上的作用。
a.向导一边走一边说:“如果不是我们,这些海龟就不会受到伤害。”
b.向导一边走一边发出悲叹:“如果不是我们,这些海龟根本就不会受到伤害。”
6.感悟启示:同学们,如果你们就是当时在场的作者和他的同伴,你们一定从这件事中受到了教训,得到了启示。那么,就把你受到的启示对大家说一说吧!
在学生广泛发言后,请大家找到《黄河是怎样变化的》的“阅读提示”,画出其中一句话,并齐读:“如果不按照自然规律办事,往往会产生与我们的愿望相反的结果。”
1.读一读“综合性学习”安排,说一说活动方式与要求。
2.分组商议:准备怎样开展这次活动。
3.全班交流,教师针对实际情况提出活动要求和注意事项。
4.课余时间学生分头行动,教师及时了解情况。
《自然之道》教学设计及反思篇二十七
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