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      欢迎来到原中小学教育资源网!

      《DNA是主要的遗传物质》教学反思范文

      教学反思 时间:2018-12-05 我要投稿
      【www.dnfdy.com - 教学反思】

        今天给学生们讲了DNA是主要的遗传物质一课,本节课主要说的是DNA是遗传物质的例证,有俩个实验,一个是肺炎双球菌的转化实验,包括格里菲斯的小鼠体内转化实验,和艾弗里的体外转化实验;还有一个是噬菌体的侵染实验,本来是俩节课的内容,一节课说肺炎双球菌的转化实验,一节课说噬菌体侵染细菌的实验。计划的挺好,本节内容俩节课轻松的说完,但我讲课讲快了,有些东西也没有和同学们说清楚,也没有留给同学们思考的时间,课上存在很多问题。

        以下就是我的一些问题。一是,在上课之前,我对自己信心满满,认为自己一定可以讲好这节课,这节课很好讲,没有什么可以说的。其实我错了,我并没有对学生有个详细的了解,没有做学情分析,对学生的学习情况还是不够了解,可以说是我根本就不了解学生。下次再上课,多对学生了解了解,以他们的进度,能接受的程度去讲课。二是,我讲课的速度太快了,没有留给学生思考的时间,感觉这完全是我一个人的课堂,没有学生什么事情,我很快的就把课给讲完了,该说的也么有说,也不管学生能不能理解、接受,没有留给学生时间,给他们一节课灌输了大量他们不懂的东西。下节课,一定要慢下来,整体的速度都要慢下来,慢点讲课,慢点说话,什么都要慢一下,要让学生适应一下,以学生能接受的速度讲课,把新知识,新东西给学生。三是,我感觉整堂课都是我在说,我也给学生留问题了,也让学生思考了,但我并没有给学生机会让他们来回答,还不等学生回答,我就已经把答案给说出来了,这样不行;褂形乙踩醚卮鹆,也引导学生说了,但接下来我就不知道该怎样说了,不知道该怎样去点评,不知道怎样去衔接。四是,我在讲完一个知识点后,我不知道用怎样的话去连接到下一个知识点,每转换一个知识点的时候,都是很生硬的,不自然,过渡衔接很不好。五是,我讲课太啰嗦了,讲完一个东西的时候,我又给学生重复了几遍,还都是用说的,学生听听的就会把他们给绕蒙了。我应该多用用板书,多在黑板上写写画画,虽然我也有用到PPT,但是有PPT还是不够的,我还是应该要用黑板,在黑板上多写一些东西,PPT只能作为辅助我的一个东西,我不能把它当做我要讲的东西。六是,我不能照着PPT上的东西来说,我要有自己的东西,用自己的话说,用最简单的语言,还得把话给表达清楚了。七是,我还应要有课堂随机应变的能力,随时的调整我的课堂进度,随时知道该做什么,该怎样做,把握好一节课的时间,利用充分了,不要剩余太多,也不要拖堂。

        总而言之,我这节课讲得很是不好,和我自己想的不一样,通过我讲的一节课,我发现了自己存在的诸多问题,还是准备的不够充分,没有准备好,一些情况、问题都没有想到。虽然我这节课出了很多问题,但我是不会放弃的,我会继续努力,继续完善我的课堂,争取下节课我能上的更好,我能与学生愉快的相处一节课,学生听得懂,学得会,我还调动了学生学习的主动性,我会为我这个目标加油的,努力的,我要做到我的课一次比一次更好。

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