论文部分内容阅读
《食物在体内的旅行》的教学设计,以一只小馒头的旅行经历为线索,引导学生探究食物在体内旅行(行进)的路线。利用多媒体动画和图片、文字资料、模型及实验等多种素材和手段,帮助学生认识人体消化器官中的食管、胃、小肠、大肠,并了解它们的作用、以及它们在体内排列的顺序,最后让学生知道要保护好消化器官,了解怎样保护消化器官。从而培养学生的逻辑判断能力、推理能力、创造能力和应用科学知识解决实际问题的能力,并激发学生对科学学
The instructional design of “Traveling in the body of food” clue to the travel experience of a small bread and guide students to explore the route of travel (travel) of food in the body. Use of multimedia animation and pictures, text data, models and experiments and other materials and tools to help students understand the body’s digestive organs in the esophagus, stomach, small intestine, large intestine, and understand their role and their arrangement in the body, and finally Let students know to protect the digestive organs and learn how to protect the digestive organs. So as to cultivate students ’ability of logical judgment, reasoning, creativity and application of scientific knowledge to solve practical problems and to stimulate students’