巧用多媒体教学手段,可以充分发挥多媒体在化学教学中的辅助作用,运用多媒体导入新课激发学生学习兴趣,运用多媒体讲授新课突出重点突破难点,运用多媒体巩固练习增强训练提高效果,运用多媒体演示实验优化实验培养能力.多媒体教学是一种现代的教学手段,它综合利用文字、实物、图像、声音等多种媒体向学生传递信息,图文并茂,为学生呈现了一个更为生动形象的化学世界,便于学生记忆,有利于实现新课程在知识与技能,过程与方法,情感态度和价值观上的 The use of multimedia teaching methods can give full play to the auxiliary role of multimedia in chemistry teaching, the use of multimedia into new lessons to stimulate students interest in learning, the use of multimedia to highlight the key breakthrough class difficulties, the use of multimedia consolidation exercises to enhance training to improve the effectiveness of the use of multimedia presentations Experiment optimizes the experimental training ability.Multimedia teaching is a modern teaching method, which comprehensively uses words, images, sounds and other media to convey information to students and presents a more vivid chemistry world for the students. Facilitate the memory of students, help to achieve the new curriculum in knowledge and skills, processes and methods, emotional attitudes and values