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从事高中物理教学多年,普遍同学反映在“抛体运动”这一单元学习中,难度大、公式多,记不住、运用有困难。统编新教材将抛物运动这一单元放在运动学之前讲授,采用了运动的合成与分解去处理,这与传统的旧教材有所不同。在教学中,我注意研究新教材,逐步认识到新教材这样处理的目的,在于让学生学会运用运动的合成与分解这一基本技能去打开抛物运动的大门,从而掌握研究复杂运动的一般规律。知识是发展能力的基础,而能力是开发知识的关键,有了能力才能举一反三,解决实际。认识了这一点之后,在复习中我注意了以下几点:
Engaged in high school physics teaching for many years, the general classmate is reflected in “throwing body ” This unit study, the difficulty is big, the formula is many, can not remember, the use has the difficulty. The new compilation of teaching material puts the unit of parabolic movement before kinematics and adopts the synthesis and decomposition of movement to deal with it, which is different from the traditional old teaching materials. In teaching, I paid attention to the study of new textbooks, and gradually realized that the purpose of this new teaching material was to let students learn to use the basic skills of synthesis and decomposition of the movement to open the door to parabolic movement and master the general law of complex movement. Knowledge is the basis for the development of capabilities, and capacity is the key to developing knowledge, with the ability to give top priority to solving the problems. After I got to know this, I noticed the following points during the review: