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一切认知都是从感知开始的,因为观察能力是人类认识世界的一个重要途径和开端,是发现问题和发明创造的重要步骤,因此,认知也是中学生学习化学知识的重要方法和途径,是培养学生实事求是的学习态度和科学方法的重要手段,是学生毕业后从事创造性劳动和科研不可缺少的素质;教师在化学教学过程中应因势利导,引导他们及时排除不利于发展学生认识兴趣的因素。有针对性地帮助他们扫除学习中的障碍,唤起他们对学习的兴趣,使他们能积极主动自觉地学。
All cognition starts from perception. Because observation ability is an important way and beginning of mankind’s cognition of the world, it is an important step for discovering problems and inventing. Therefore, cognition is also an important method and way for middle school students to learn chemical knowledge. The important means of cultivating students ’pragmatic learning attitude and scientific method is the indispensable quality of students engaged in creative work and scientific research after graduation. Teachers should guide them to promptly eliminate the factors that are not conducive to the development of students’ understanding of interest in chemistry teaching. Targeted help them to remove obstacles in learning, arouse their interest in learning, so that they can learn actively.