以往教学中,基础知识和基本技能的掌握,主要是以教师讲授、实验演示和学生分组实验为主,理性知识多而感性材料少,造成学生注意力下降,学习效率低下。而多媒体教学形象生动的图画和特殊的音像效果,能使科学教学更富感染力,更能激发学生的学习兴趣和探究欲望。我们努力探索和实践信息技术环境下,科学学科课堂教学的有效途径和方法,以优化课堂教学效果。1.利用多媒体教学,激发学习兴趣。多媒体教学, In the past teaching, the mastery of basic knowledge and basic skills mainly consisted of teachers’ teaching, experimental demonstration and grouping of students. Less rational knowledge and less sensory material resulted in decreased attentiveness and inefficient learning. The vivid pictures and special audio-visual effects of multimedia teaching images can make science teaching more contagious and can stimulate students’ interest in learning and desire for exploration. We strive to explore and practice the effective ways and methods of classroom teaching of science subject in the information technology environment so as to optimize the effect of classroom teaching. 1. Use of multimedia teaching to stimulate interest in learning. multimedia teaching,