演示·学文·悟道──《捞铁牛》教学设计安徽王友清现代教学理论与实践证明：直观的演示与操作更能激发学生的学习兴趣，使之产生最佳的学习情绪，较好地完成学习任务。《捞铁牛》一课故事情节很简单，但涉及到学生还未学过的浮力知识。如果单纯地运用讲读法就很难使学生... Demonstration · Learned · enlightenment ─ ─ “fishing iron cattle” Teaching Design Anhui Wang Youqing modern teaching theory and practice proves: intuitive demonstration and operation can stimulate students interest in learning, to produce the best learning sentiment, a better completion Learning tasks. Story of “Lessons from the Iron Tail” The plot is simple, but involves buoyancy knowledge that students have not yet learned. If you simply use the reading method is difficult to make students ...