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化学是一门以实验为基础的学科,实验是化学的灵魂,它集色、态、味、光、声于一体,引发学生浓厚的认知兴趣和强烈的求知欲望.然而长期以来,初中化学教学中的实验往往是理论知识的副产品,基本上处于“照方抓药”、“验证前人已经得到的结果”的状况,操作也基本停留在“不敢越雷池半步”的规范上.这样的实验仅仅为了达到学科教学目标而进行实验,教师心中没有课程意识,没有把实验教学与学生的发展联系起来.这样的实验不利于学生思维的培养;不利于学生发现和解决化
Chemistry is an experiment-based discipline, the experiment is the soul of chemistry, which combines color, state, taste, light, sound in one, triggering students a strong cognitive interest and a strong desire for knowledge.However, a long time, junior high school chemistry Teaching experiment is often a by-product of theoretical knowledge, basically in the “according to prescription drugs”, “verify the results of previous people have been ”, the operation is basically stuck in "This experiment only in order to achieve the goal of teaching subjects to experiment, teachers do not have the sense of the curriculum in mind, not to experimental teaching and student development linked to such experiments is not conducive to the cultivation of student thinking is not conducive to students to find and Solve the problem