有“电”的大滑梯

中二班

<h1><font color="#333333">静电一种生活中常见的自然现象,特别是在北方更是司空见惯。幼儿天性好奇、爱探究,在大人看来再简单不过的事情,在他们眼里却是那么的奇特和有趣,足以引起他们探究的兴趣。而兴趣又是幼儿进行探索最好的老师,它推动幼儿去观察和发现问题,从而获得有意义的成长经验。</font></h1> <h3>调皮的静电</h3> <h3>我的头发为什么会“爆炸”💥呢?</h3> <h3 style="font-family: PingFangSC-Regular; color: rgb(13, 21, 82); font-size: 0.34rem; line-height: 1.8em; caret-color: rgb(13, 21, 82); text-align: justify; -webkit-text-size-adjust: 100%;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.34rem !important; line-height: 1.8em !important;"><b>接着,好多小朋友都七嘴八舌地说开了。</b></span></h3><h3 style="font-family: PingFangSC-Regular; color: rgb(13, 21, 82); font-size: 0.34rem; line-height: 1.8em; caret-color: rgb(13, 21, 82); text-align: justify; -webkit-text-size-adjust: 100%;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.34rem !important; line-height: 1.8em !important;"><b> "我没有滑,手碰到滑梯就被电了。"马贵杰说</b></span></h3><h3 style="font-family: PingFangSC-Regular; color: rgb(13, 21, 82); font-size: 0.34rem; line-height: 1.8em; caret-color: rgb(13, 21, 82); text-align: justify; -webkit-text-size-adjust: 100%;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.34rem !important; line-height: 1.8em !important;"><b> "是啊,我也被电了。"梁建豪说</b></span></h3><h3 style="font-family: PingFangSC-Regular; color: rgb(13, 21, 82); font-size: 0.34rem; line-height: 1.8em; caret-color: rgb(13, 21, 82); text-align: justify; -webkit-text-size-adjust: 100%;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.34rem !important; line-height: 1.8em !important;"><b> 我又问道:"被电到的时候感觉是怎么样的?"</b></span></h3><h3 style="font-family: PingFangSC-Regular; color: rgb(13, 21, 82); font-size: 0.34rem; line-height: 1.8em; caret-color: rgb(13, 21, 82); text-align: justify; -webkit-text-size-adjust: 100%;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.34rem !important; line-height: 1.8em !important;"><b> 有的说:"麻麻的感觉"。</b></span></h3><h3><span style="-webkit-tap-highlight-color: transparent; font-size: 0.34rem !important; line-height: 1.8em !important;"><b> 还有的说:"我觉得很痛,好象被蜜蜂刺了一样"……</b></span></h3><h3 style="font-family: PingFangSC-Regular; color: rgb(13, 21, 82); font-size: 0.34rem; line-height: 1.8em; caret-color: rgb(13, 21, 82); text-align: justify; -webkit-text-size-adjust: 100%;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.34rem !important; line-height: 1.8em !important;"><b> "是不是滑梯上有电线啊?"不知谁提出了这样一个疑问。</b></span></h3><h3><span style="-webkit-tap-highlight-color: transparent; font-size: 0.34rem !important; line-height: 1.8em !important;"><b> 这时,小朋友都一脸疑惑地看着我。我要直接告诉孩子们答案,结束这个话题让他们继续玩吗?不,这是一个多么宝贵的机会,我不可以错过。于是,我对孩子们说:"那我们大家一起去找找滑梯上到底有没有藏了电线?"可是大家找了半天也没找出来,孩子们就觉得更奇怪了,我也趁机问孩子们:"没有电线,滑梯上为什么会有电呢?"小朋友们都不解地摇摇头。"那我们回家以后去查查资料,找找在滑梯上会"触电"的原因,好吗?"小朋友都异口同声的答应了。</b></span></h3> <h5 style="font-family: PingFangSC-Regular; caret-color: rgb(13, 21, 82); text-align: justify; -webkit-text-size-adjust: 100%; font-size: 0.3rem !important; line-height: 2em !important;"><font color="#333333"><b><span style="-webkit-tap-highlight-color: transparent; font-size: 0.3rem !important; line-height: 2em !important;">教师的话:<span style="-webkit-tap-highlight-color: transparent; font-size: 0.3rem !important; line-height: 2em !important;"><br style="-webkit-tap-highlight-color: transparent; font-size: 0.3rem !important; line-height: 2em !important;"></span></span><span style="-webkit-tap-highlight-color: transparent; font-size: 0.3rem !important; line-height: 2em !important;"> 在这次非计划性的活动中,孩子们主动向老师发出学习的"信号弹",这时教师能否根据幼儿的兴趣点,及时地引导幼儿主动进行探索是至关重要的。活动中,孩子们在滑梯上发现被电着的时候,个别孩子抛出了疑问"滑滑梯上是否有电线?"老师则以幼儿玩伴的身份"介入",故作悬念,不直接给予答案,而是与小朋友一起去寻找滑滑梯上是否藏有电线,引领幼儿去寻找解决问题的方法和途径。在接过幼儿"疑问"的同时,又抛给幼儿一个问题"没有电线,滑梯上为什么会有电呢?"让幼儿自己去收集资料,找寻答案,充分调动幼儿的积极性与主动性,给了幼儿一个自主探索的空间。</span></b></font></h5> <h3>神奇的静电</h3> <h3 style="font-family: PingFangSC-Regular; color: rgb(13, 21, 82); font-size: 0.34rem; line-height: 1.8em; caret-color: rgb(13, 21, 82); text-align: justify; -webkit-text-size-adjust: 100%;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.34rem !important; line-height: 1.8em !important;">为了让孩子们了解静电,我们开展了科学活动《能吸住小纸片的尺》,给孩子们准备一些碎纸片、塑料梳子、塑料尺、毛巾、塑料棒、动物皮毛等东西,让幼儿自己去探索发现。</span></h3> <h3><div class="mp-article-texts" style="font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; margin: 0.41rem 0.3rem; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-family: PingFangSC-light; overflow: hidden; font-size: 6px; -webkit-text-size-adjust: 100%; color: rgb(13, 21, 82);"><div class="mp-article-texts-word" style="margin: 0px; padding: 0px; -webkit-tap-highlight-color: transparent; font-family: PingFangSC-Regular; line-height: 1.8em; word-wrap: break-word; word-break: break-all; font-weight: 400; font-size: 0.34rem; color: inherit; text-align: justify; white-space: pre-wrap;"><h3 style="margin: 0px; padding: 0px; -webkit-tap-highlight-color: transparent; font-weight: 400; color: inherit; font-size: 0.34rem; line-height: 1.8em; font-family: PingFangSC-Regular !important;"><b style="margin: 0px; padding: 0px; -webkit-tap-highlight-color: transparent; font-weight: bolder; font-family: PingFangSC-Regular !important; font-size: 0.34rem !important; line-height: 1.8em !important;"></b></h3></div></div><div class="mp-article-texts" style="font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; margin: 0.41rem 0.3rem; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-family: PingFangSC-light; overflow: hidden; font-size: 6px; -webkit-text-size-adjust: 100%; color: rgb(13, 21, 82);"><div class="mp-article-texts-word" style="margin: 0px; padding: 0px; -webkit-tap-highlight-color: transparent; font-family: PingFangSC-Regular; line-height: 1.8em; word-wrap: break-word; word-break: break-all; font-weight: 400; font-size: 0.34rem; color: inherit; text-align: justify; white-space: pre-wrap;"><h3 style="margin: 0px; padding: 0px; -webkit-tap-highlight-color: transparent; font-weight: 400; color: inherit; font-size: 0.34rem; line-height: 1.8em; font-family: PingFangSC-Regular !important;"><b style="margin: 0px; padding: 0px; -webkit-tap-highlight-color: transparent; font-weight: bolder; font-family: PingFangSC-Regular !important; font-size: 0.34rem !important; line-height: 1.8em !important;"></b></h3></div></div><br></h3><div class="mp-article-texts" style="white-space: normal; margin: 0.41rem 0.3rem; overflow: hidden; font-size: 6px; -webkit-text-size-adjust: 100%; color: rgb(13, 21, 82);"><div class="mp-article-texts-word" style="-webkit-tap-highlight-color: transparent; font-family: PingFangSC-Regular; line-height: 1.8em; word-wrap: break-word; word-break: break-all; font-size: 0.34rem; color: inherit; text-align: justify; white-space: pre-wrap;"><h1 style="-webkit-tap-highlight-color: transparent; color: inherit; font-size: 0.4rem !important; line-height: 1.5em !important;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.4rem !important; line-height: 1.5em !important;"><i style="-webkit-tap-highlight-color: transparent; color: rgb(22, 126, 251); font-size: 0.4rem !important; line-height: 1.5em !important;"></i></span></h1></div></div><div class="mp-article-texts" style="white-space: normal; margin: 0.41rem 0.3rem; overflow: hidden; font-size: 6px; -webkit-text-size-adjust: 100%; color: rgb(13, 21, 82);"><div class="mp-article-texts-word" style="-webkit-tap-highlight-color: transparent; font-family: PingFangSC-Regular; line-height: 1.8em; word-wrap: break-word; word-break: break-all; font-size: 0.34rem; color: inherit; text-align: justify; white-space: pre-wrap;"><h1 style="-webkit-tap-highlight-color: transparent; color: inherit; font-size: 0.4rem !important; line-height: 1.5em !important;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.4rem !important; line-height: 1.5em !important;"><i style="-webkit-tap-highlight-color: transparent; color: rgb(22, 126, 251); font-size: 0.4rem !important; line-height: 1.5em !important;"></i></span></h1></div></div> <h3 style="text-align: left; font-family: PingFangSC-Regular; color: rgb(13, 21, 82); font-size: 0.34rem; line-height: 1.8em; caret-color: rgb(13, 21, 82); -webkit-text-size-adjust: 100%;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.34rem !important; line-height: 1.8em !important;"><b>孩子们有的拿毛巾和尺子摩擦,有的把梳子放在头发上摩擦,有的把尺子放在衣服上摩擦,可第一次尝试,有的小朋友失败了。金浩宇似乎放弃了尝试,马贵杰边加快摩擦速度边说:"我来增加点温度吧。"</b></span></h3><h3 style="-webkit-tap-highlight-color: transparent; color: inherit; font-size: 0.34rem; line-height: 1.8em; font-family: PingFangSC-Regular !important;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.34rem !important; line-height: 1.8em !important;"></span></h3><h3 style="-webkit-tap-highlight-color: transparent; color: inherit; font-size: 0.34rem; line-height: 1.8em; font-family: PingFangSC-Regular !important;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.34rem !important; line-height: 1.8em !important;"></span></h3><h3 style="-webkit-tap-highlight-color: transparent; color: inherit; font-size: 0.34rem; line-height: 1.8em; font-family: PingFangSC-Regular !important;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.34rem !important; line-height: 1.8em !important;"></span></h3><h3 style="text-align: left; font-family: PingFangSC-Regular; color: rgb(13, 21, 82); font-size: 0.34rem; line-height: 1.8em; caret-color: rgb(13, 21, 82); -webkit-text-size-adjust: 100%;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.34rem !important; line-height: 1.8em !important;"> </span></h3><h3 style="font-family: PingFangSC-Regular; color: rgb(13, 21, 82); font-size: 0.34rem; line-height: 1.8em; caret-color: rgb(13, 21, 82); text-align: justify; -webkit-text-size-adjust: 100%;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.34rem !important; line-height: 1.8em !important;"><b> 过了一会,金浩宇地说:"老师,我吸上了一个纸片!"</b></span></h3><h3 style="font-family: PingFangSC-Regular; color: rgb(13, 21, 82); font-size: 0.34rem; line-height: 1.8em; caret-color: rgb(13, 21, 82); text-align: justify; -webkit-text-size-adjust: 100%;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.34rem !important; line-height: 1.8em !important;"> 我说:"你真棒!还有谁也吸上纸片了?"</span></h3><h3><div class="mp-article-texts" style="white-space: normal; margin: 0.41rem 0.3rem; overflow: hidden; font-size: 6px; -webkit-text-size-adjust: 100%; color: rgb(13, 21, 82);"><div class="mp-article-texts-word" style="-webkit-tap-highlight-color: transparent; font-family: PingFangSC-Regular; line-height: 1.8em; word-wrap: break-word; word-break: break-all; font-size: 0.34rem; color: inherit; text-align: justify; white-space: pre-wrap;"></div></div><div class="mp-article-texts" style="white-space: normal; margin: 0.41rem 0.3rem; overflow: hidden; font-size: 6px; -webkit-text-size-adjust: 100%; color: rgb(13, 21, 82);"><div class="mp-article-texts-word" style="-webkit-tap-highlight-color: transparent; font-family: PingFangSC-Regular; line-height: 1.8em; word-wrap: break-word; word-break: break-all; font-size: 0.34rem; color: inherit; text-align: justify; white-space: pre-wrap;"></div></div><div class="mp-article-texts" style="white-space: normal; margin: 0.41rem 0.3rem; overflow: hidden; font-size: 6px; -webkit-text-size-adjust: 100%; color: rgb(13, 21, 82);"><div class="mp-article-texts-word" style="-webkit-tap-highlight-color: transparent; font-family: PingFangSC-Regular; line-height: 1.8em; word-wrap: break-word; word-break: break-all; font-size: 0.34rem; color: inherit; text-align: justify; white-space: pre-wrap;"></div></div></h3><h3 style="font-family: PingFangSC-Regular; color: rgb(13, 21, 82); font-size: 0.34rem; line-height: 1.8em; caret-color: rgb(13, 21, 82); text-align: justify; -webkit-text-size-adjust: 100%;"><ul><li><span style="font-size: 0.34rem; -webkit-tap-highlight-color: transparent;"> 他的成功和我的肯定立刻鼓舞了士气,孩子们开始行动起来,有的幼儿用两把尺子相互摩擦,有的用尺子在头发上、桌上一一做了尝试。传来了一阵阵欢呼声</span><br></li></ul></h3><div class="mp-article-texts" style="white-space: normal; margin: 0.41rem 0.3rem; overflow: hidden; font-size: 6px; -webkit-text-size-adjust: 100%; color: rgb(13, 21, 82);"><div class="mp-article-texts-word" style="-webkit-tap-highlight-color: transparent; font-family: PingFangSC-Regular; line-height: 1.8em; word-wrap: break-word; word-break: break-all; font-size: 0.34rem; color: inherit; text-align: justify; white-space: pre-wrap;"><h1 style="-webkit-tap-highlight-color: transparent; color: inherit; font-size: 0.4rem !important; line-height: 1.5em !important;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.4rem !important; line-height: 1.5em !important;"><i style="-webkit-tap-highlight-color: transparent; color: rgb(22, 126, 251); font-size: 0.4rem !important; line-height: 1.5em !important;"></i></span></h1></div></div><div class="mp-article-texts" style="white-space: normal; margin: 0.41rem 0.3rem; overflow: hidden; font-size: 6px; -webkit-text-size-adjust: 100%; color: rgb(13, 21, 82);"><div class="mp-article-texts-word" style="-webkit-tap-highlight-color: transparent; font-family: PingFangSC-Regular; line-height: 1.8em; word-wrap: break-word; word-break: break-all; font-size: 0.34rem; color: inherit; text-align: justify; white-space: pre-wrap;"><h1 style="-webkit-tap-highlight-color: transparent; color: inherit; font-size: 0.4rem !important; line-height: 1.5em !important;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.4rem !important; line-height: 1.5em !important;"><i style="-webkit-tap-highlight-color: transparent; color: rgb(22, 126, 251); font-size: 0.4rem !important; line-height: 1.5em !important;"></i></span></h1></div></div><div class="mp-article-texts" style="white-space: normal; margin: 0.41rem 0.3rem; overflow: hidden; font-size: 6px; -webkit-text-size-adjust: 100%; color: rgb(13, 21, 82);"><div class="mp-article-texts-word" style="-webkit-tap-highlight-color: transparent; font-family: PingFangSC-Regular; line-height: 1.8em; word-wrap: break-word; word-break: break-all; font-size: 0.34rem; color: inherit; text-align: justify; white-space: pre-wrap;"><h1 style="-webkit-tap-highlight-color: transparent; color: inherit; font-size: 0.4rem !important; line-height: 1.5em !important;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.4rem !important; line-height: 1.5em !important;"><i style="-webkit-tap-highlight-color: transparent; color: rgb(22, 126, 251); font-size: 0.4rem !important; line-height: 1.5em !important;"></i></span></h1></div></div> <h5 style="font-family: PingFangSC-Regular; caret-color: rgb(13, 21, 82); text-align: justify; -webkit-text-size-adjust: 100%; font-size: 0.3rem !important; line-height: 2em !important;"><span style="-webkit-tap-highlight-color: transparent; font-size: 0.3rem !important; line-height: 2em !important;"><b><font color="#333333">教师的话:与幼儿的实验活动中,我先是在旁倾听孩子们的讨论,当孩子们在探索讨论的过程中遇到技能上或者是超出他们能力范围的难题时,就需要教师适时的点拨。就像上面小朋友寻找到了答案,可是还未理解"静电"以及"静电是怎么来的"时候,我就要让幼儿通过材料,让幼儿去实践和操作,从而得到理解和验证,使幼儿的探索欲望得到满足。当幼儿操作失败而感到沮丧的,又因为小伙伴的成功和老师的及时鼓励,还是把他吸引过来了。大家的兴致越来越高,已经会用自己的尝试来判断自己的推断,比如:用同一个物体和不同材料进行摩擦是否都会产生静电、摩擦的时间、速度与产生的静电大小的关系等等。在活动中,孩子们还发现除了塑料的东西摩擦后可以产生静电,头发、玻璃等也能产生静电,这又引起了他们更大胆地探索。</font></b></span></h5> <h3>好玩的静电</h3> <h5><span style="-webkit-tap-highlight-color: transparent; font-size: 0.34rem !important; line-height: 1.8em !important;"><b>通过这次活动小朋友们认识了静电现象,初步感知了摩擦起电的原理。活动孩子们非常感兴趣,探索欲望很强烈。虽然幼儿对于摩擦起电这种科学概念还不能够完全的去了解,但是孩子们通过自己的操作感受到了静电的存在已经很棒了,重在兴趣与体验,让幼儿在此过程中发展科学思维的能力。生活即教育,一切生活都是课程",知识来源于生活,再归还于生活,其实只要我们做一个有心人,就会发现孩子会带给我们很多的惊喜和启发,这些就是我们课程中发生的故事。</b></span></h5>

幼儿

静电

滑梯

孩子

小朋友

摩擦

电线

探索

尺子

纸片