【人教部编版】三年级下语文《14 蜜蜂》优质公开课课件

1、你喜欢小昆虫吗？每种小昆虫都有自己独特的生存本领。它们的“特异功能”使得它们能“独步天下” ，今天我们一起走进蜜蜂的世界看一看它有什么特异功能吧！,资料卡片,蜜蜂是勤劳的昆虫。为了酿造五百克蜜，一只蜜蜂通常要飞行十几万公里，相当于绕地球三四圈。蜜蜂一找到蜜源，就会飞回去蜂巢，告诉同伴关于蜜源的信息。如果蜜源离蜂箱不到一百米，它们就在蜂巢上方跳“圆舞”；如果蜜源在蜂箱一百米以外，它们就跳“摆尾舞”。,圆舞,摆尾舞,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才

2、路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,法布尔（18231915），法国著名的昆虫学家、科普作家。 主要作品:昆虫记自然科学编年史等。,昆虫记：此书真实地反应了法布尔在自然环境中对昆虫进行的观察与实验，记录了昆虫的本能与习性，它不仅是一部研究昆虫的科学巨著，同时也是一部讴歌生命的宏伟诗篇。,昆虫记共十册

3、，每册包含若干章，每章详细、深刻地描绘一种或几种昆虫的生活：蜘蛛、蜜蜂、螳螂、蝎子、蝉、甲虫、蟋蟀等等。昆虫记不仅充满着对生命的敬畏之情，更蕴含着探求真相、追求真理的精神。这就是法布尔精神。如果没有这种精神，就没有昆虫记，人类的精神之树将少掉一颗智慧之果。昆虫记第一册于1879年问世。1910年，当昆虫记第十册问世时，法布尔已经86岁了。,自读课文： 读准字音，读顺句子，读通课文，并给每个自然段标上序号。 想一想课文讲了一件什么事？,蜜蜂 辨认 大概 阻力 跨进 包括 检查 准确无误 逆风 沿途 陌生 超常,蜜蜂 辨认 大概 阻力 跨进 包括 检查 准确无误 逆风 沿途 陌生 超常,bin,m fn,i,z,ku,ku,qu w,n,t,m,jin ch,cho,我会读,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才

4、路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,

5、概,阻,括,误,逆,途,陌,超,几个,j,蜜蜂飞得很低，几乎要触到地面。,多音字,j,几,j,j,几乎,几个,闷,mn,mn,闷热,闷闷不乐,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成

6、才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,蜜,辨,阻,跨,蜂,检,确,误,查,括,陌,途,我会写,将上面的生字按结构分类。,半包围结构,上下结构,左右结构,左中右结构,识字方法,加一加：石+角=确 足+夸=跨,字理识字：,辨,会意字。表示涉及诉讼的双方。,辨,bin,巧记：竖心辨别言辩论， 当中夹瓜是花瓣。,不要少写成“讠”,易写错,结构：,部首：,书写指导：,左部的“辛”竖改为撇；右部的“辛”竖为悬针竖。,bin,辨,重难点字书写指导,左中右,辛,辨 辩 辫,分辨,争辩,辫子,蜂,fng,不要写成“山”。,蜜蜂,在昆虫分类学上属于膜翅目、细腰亚目、针尾部、蜜蜂总科、蜜蜂科

7、昆虫的统称，是膜翅目重要的类群。,正确，没有差错。 （ ） 根据已经知道的事情来想象不知道的事情。 （ ） 表示十分接近；差不多。（ ） 根据特点辨别，做出判断，以便找出或认定某一对象。 （ ）,准确无误,推测,几乎,辨认,填一填,辨认 _ 推测 _ 寻找 _ 包括 _,识别,陌生 _ 准确 _ 阻力 _ 激动 _,推断,寻觅,包含,熟悉,错误,动力,平静,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元

8、成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,想一想课文讲了一件什么事？,本文主要讲了作者做了一个证实蜜蜂是否有辨认方向的能力的实验的事情。,第一部分（1）：写作者想要做实验的原因。 第二部分（26）：写实验的经过和结果。 第三部分（7）：写实验得出的结论。,围绕着实验，把课文划分为三个部分，试着说说各部分的大意。,状元成才路,状元成才路,状元成才路,状元成才路,

9、状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,1.作者为什么要做这个实验？,听说蜜蜂有辨认方向的能力，无论飞到哪里，它总是可以回到原处。我想做个实验。,听说,表明不一定真实可靠，因此这既成了“我”做试验的原因，也体现了“我”求实的科学态度。,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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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