近几年,随着新课改的不断深入,化学课堂教学活动由传统的讲授逐渐向多元化的方向发展。如:实验演示、多媒体投影、学生训练、教师讲解、多种教学手段的穿插,使课堂形式变得丰富,课堂内容变得充实,其中特别是边讲边做,实验效果特好。 In recent years, with the continuous deepening of the new curriculum reform, the chemistry classroom teaching activities gradually diversified from the traditional teaching. Such as: experimental demonstrations, multimedia projection, student training, teachers explain, a variety of teaching methods interspersed, so that the classroom form has become rich, the classroom has become enriched, especially in lectures do, the experimental results particularly good.