一、设计目的通过多媒体计算机方便、灵活、快捷的图文声像显示功能,以及演示实验的真实场景,充分发挥教师的主导作用;充分利用计算机多媒体丰富而强大的表现力,最大限度地激发学生的学习兴趣,增强学习的主动性,从而提高学习效果。二、教学目标了解氯气的物理性质和用途;了解氯 First, the design purpose Through the multimedia computer convenient, flexible, fast graphics and audio-video display capabilities, as well as demonstration of the real scene of the experiment, give full play to the leading role of teachers; make full use of computer multimedia rich and powerful expression, to maximize students Interest in learning, enhance the initiative of learning, and thus improve the learning effect. Second, teaching objectives to understand the physical properties and uses of chlorine; understanding of chlorine