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高中生一般都觉得化学很难学,原因在哪呢?首先是由于化学学内容丰富,概念、规律多且叙述简洁严谨、逻辑性强;而且高中化学概念、规律往往不是直观形象.针对这样的情形,我们必须要对自己的学生有一个充分的了解和认识,把握他们的特点(阅读获取知识的能力、对知识的分析、记忆能力等).作为学生,一般来说其阅读能力差,没有养成认真阅读、思考、质疑、探究、归纳小结、合作学习、及时复习等良好习惯.在此,老师在课堂上必须做出一些改变.一、自行阅读,解决问题1.特点:自行阅读是一种常见的回归课本的方法,上课时告诉学生具体的阅读内容(比如:以神舟六号的成功发射与接收为背景设计问题),然后就让学生自己阅读,观看一系列投影,视频.2.评测:为了检测学生对这一部分自行阅读的效果,笔者根据教材内容罗列出几个问题对学生进行了检测.
High school students generally think that chemistry is difficult to learn, the reason why? First of all, due to the rich content of chemistry, concepts, laws and more concise and rigorous narrative, logical; and high school chemistry concepts, laws are often not intuitive image. Situation, we must have a full understanding and understanding of their students, to grasp their characteristics (reading knowledge acquisition ability, knowledge analysis, memory ability, etc.) as a student, in general, poor reading ability, no Develop a good habit of reading, thinking, questioning, exploring, summarizing, collaborative learning, timely review, etc. Here, the teacher must make some changes in the classroom.And read and solve the problem by himself 1.Features: Read by yourself A common way to return to textbooks is to tell students specific readings during class (for example, design issues in the context of the successful launch and reception of the Shenzhou VI) and then allow students to read and watch a series of projections and videos.2 . Evaluation: In order to test the effect of reading this part of the students on their own, the author set out several questions according to the content of the teaching materials to test the students.