“动量”概念的引入方法甘肃省镇原县屯字中学杜银社概念课教学是中学物理教学中的一个难点，搞好概念课教学的关键是新概念的引入．若引入不当，就会影响学生学习的主动性；若引入恰当，就有助于学生形成正确的概念，又能激发学生探求新知识的兴趣．那么，怎样才能恰当地... The introduction of the concept of “momentum” is a difficult point in physics teaching in middle school physics teaching. The key to teaching well in concept teaching is the introduction of new concepts. If it is improperly introduced, it will affect students’ initiative in learning; if it is properly introduced, it will help students form the correct concepts and stimulate their interest in exploring new knowledge. So how can we properly ...