随着计算机的日益普及,现代信息技术已经逐步进入了课堂。传统科学教学中的教学媒体如实物、模型、挂图等,虽然形象、直观,但有一定的局限性。信息技术的飞速发展,正带动着我们的教育从目的、内容、形式、方法 With the increasing popularity of computers, modern information technology has gradually entered the classroom. The teaching media in the traditional science teaching such as real objects, models, wall charts and so on, though the image and the intuition, have some limitations. The rapid development of information technology, is driving our education from the purpose, content, form, method