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一、设计意图《消化与吸收》是湘教版六年级《科学》上册的内容,是在学习了食物中的营养,人体需要的主要营养成分的基础上进行教学的。消化与吸收这一生理现象对学生来说并不熟悉。为此,我除了组织学生咀嚼小馒头、在身体中找消化器官的位置等活动外,重点通过组织学生观看视频,直观、形象地了解消化器官的特点和作用,以及食物在人体内的消化与吸收的过程,突破教学重难点。此设计为第一课时。二、教学目标1.科学探究
First, the design intent “Digestion and absorption” is the sixth grade of the Hunan version of “Science” on the content of the book is to learn the nutrition of food, the body needs the main nutrients based on teaching. Digestion and absorption of this physiological phenomenon is not familiar to students. To this end, in addition to organizing students to chew small buns, looking for the position of digestive organs in the body and other activities, focusing on organizing students to watch the video, visually and vividly understand the characteristics and functions of digestive organs and digestion of food in the human body Absorption of the process, breaking the teaching difficult. This design is the first lesson. Second, teaching objectives 1. Scientific inquiry