三年级下册第10课《纸的发明》ppt课件.pptx

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6、n,li,xi,cn,zh,xin,u zhu,sh,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成

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8、才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,蔡,创,携,伦,鲜,欧,洲,社,存,制,累,术,录,册,保,伟,我会写,验,欧,阿,存,社,洲,约,左右结构,独体字,上下结构,半包围结构,伟保伯,们 便他 价伦 作,找一找：本课中还有哪些字是单人旁？,结构：,部首：,书写指导：,zhu,洲,重难点字书写指导,左右,“州”第一笔是左点，第二笔为竖撇，中竖短。,氵,结构：,部首：,书写指导：,c,册,独体字,“ ”稍窄些，撇为竖撇；中间一横稍长，在横中线上起笔。,丿,想出新

9、方法、建立新理论、做出新的成绩或东西。（ ）形容读书多、学问大。（ ）（质料）不精细；不光滑。（ ）传授和继承。（ ）,创造,学富五车,粗糙,传承,近义词,反义词,发明_,记录_,吸收_,改进_,发现,记载,吸取,改造,笨重_,粗糙_,便宜_,进步_,轻便,细腻,昂贵,倒退,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,

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11、状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,再读课文，把课文划分为三个部分，概括每部分的大意。,概述造纸术的发明的重大意义。,记叙我国发明造纸术的经过。,1,我国造纸术的传播以及对世界文化的影响。,总,分,总,状元成才路,状元成才路,状元成才路,状

12、元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状

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14、元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,造纸术的发明，是中国对世界文明的伟大贡献之一。,不能，如果去掉，就变成唯一，与实际不符，不能体现文章语言的准确性和严密性。,读一读24自然段，在相应的位置上做标记：我国的造纸术发明经历了怎样的过程？,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成

15、才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成

16、才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,1.要记录一件事情，就用刀把文字刻在龟甲和兽骨上，或者把文字铸刻在青铜器上。,造纸方法发明以前：,2.后来，人们又把文字刻在竹片和木片上。这些竹片、木片用绳子穿起来，就成了一册书。,缺点：,笨重，阅

17、读、携带、保存都很不方便。,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才

18、路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才

19、路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,3.再后来，有了蚕丝织成的帛，就可以在帛上写字了。,优点：,比竹片、木片轻便。,缺点：,价钱太贵，不能普及。,人们用蚕茧制作丝绵时发现，盛放蚕茧的篾席上，会留下一层薄片，可用于书写。考古学家发现，在两千多年前的西汉时代，人们已经懂得了用麻来造纸。,西汉时代：,缺点：,麻纸比较粗糙，不便书写。,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状

20、元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状

21、元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,有个叫蔡伦的人，吸收了人们长期积累的经

22、验，改进了造纸术。他把树皮、麻头、稻草、破布等原料剪碎或切断，浸在水里捣烂成浆；再把浆捞出来晒干，就成了一种既轻便又好用的纸。,东汉时代：,累,积累,果实累累,劳累,收集原料,剪碎、切断,浸水、捣烂成浆,晾晒成品,用这种方法造的纸，原料容易得到，可以大量制造，价格又便宜，能满足多数人的需要，所以这种造纸方法就传承下来了。,蔡伦改进的造纸术有什么优点？为什么只有蔡伦改进的造纸术传承下来了？,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元

23、成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元

24、成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,我国的造纸术首先传到邻近的朝鲜半岛和日本，后来又传到阿拉伯世界和欧洲，极大地促进了人来社

25、会的进步和文化的发展，影响了全世界。,齐读第5自然段，说一说：我国造纸术的传播对世界文化产生了怎样的影响？,我国的造纸术首先传到邻近的朝鲜半岛和日本，后来又传到阿拉伯世界和欧洲，极大地促进了人来社会的进步和文化的发展，影响了全世界。,鲜,鲜艳,朝鲜,想一想：文章最后一个自然段有什么作用？,这段文字是对全文的总结，也是文章主旨的深化，与第一段遥相呼应，高度赞美了我国古代劳动人民的聪明才智，赞美了我国对世界文明的发展所作出的伟大贡献。,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才

26、路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才

27、路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,纸的发明,伟大意义,西汉,社会进步文化发展影

28、响世界,发明纸前,龟甲、兽骨、青铜器竹片、木片（重）帛（贵）,发明经过,麻纸（粗糙）,东汉,蔡伦造纸（轻便、好用、便宜）,造纸术的传播和影响,这篇文章主要介绍了我国发明造纸术的经过及其重大意义，赞美了我国古代劳动人民的卓越智慧。,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路

29、,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路

30、,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,chun zo xi di ci ln（ ） （ ） （ ） sh hu u zhu cho xin（ ） （ ） （ ）,一、看拼音，写词语。,创 造,携 带,蔡 伦,社 会,欧 洲,朝 鲜,二、根据课文内容填空。 课文按照_顺序，写了造纸术的 发

31、明过程，主要写了_时代，有一个 叫蔡伦的人，改进了造纸术，他的这种 造纸方法传承了下来，极大地促进了人 类社会的_和文化的_，影响了全 世界。,时间,东汉,进步,发展,【“学富五车”成语接龙】 学富五车车水马龙龙飞凤舞舞文弄墨墨守成规规天矩地地久天长长治久安,三、课外积累。,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,

32、状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,

33、状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,造纸方法发明以前,西汉时代,东汉时期,后来,在甲骨、兽骨、青铜器、竹片、木片、帛上刻字、写字,用树皮、麻头、稻草、破布等造纸,造纸术传到了全世界，极大地促进了文化的发展,课后习题参考答案,默读课文，想想每

34、个自然段的意思，再照样子填写下面的图表。,用麻造纸,参考答案： 因为蔡伦改进的造纸术，原料容易得到，可以大量制造，造出来的纸既轻便又好用，价格又便宜，能满足多数人的需要，所以就传承下来了。,结合课文中的相关语句，说说为什么只有蔡伦改进的造纸术传承下来了。,你们小组开展了哪些活动？了解了哪些传统节日？小组内交流一下。 整理收集到的资料，再商量商量，打算怎样展示活动的成果，还可以补充哪些资料。,活动指导： 1.小组分工合作。小组成员分工了解我国的传统节日，可以通过上网查资料，询问大人了解各种传统节日的传说和习俗。,2.充分准备。可以展示图片，也可以制作手抄报，还可以通过展示相关的实物来展示自己了解到的传统节日。 3.小组交流。小组内展示自己的成果，组内同学互相学习。,活动展示：,想象：如果蔡伦没有发明造纸术，现在的生活会怎么样？你想对蔡伦说什么？,声 明 本文件仅用于个人学习、研究或欣赏，以及其他非商业性或非盈利性用途，但同时应遵守著作权法及其他相关法律的规定，不得侵犯本司及相关权利人的合法权利。 除此以外，将本文件任何内容用于其他用途时，应获得授权，如发现未经授权用于商业或盈利用途将追加侵权者的法律责任。武汉天成贵龙文化传播有限公司湖北山河律师事务所,