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探索大自然的奥秘是从认识物体开始的。认识千姿百态的物体,必须掌握认识方法及认识程序,具备一定的能力。自然教材安排了《怎样认识物体(一)(二)(三) (四)(五)五课书,通过认识水、空气等五种物体的属性,掌握认识物体的基本方法和手段,使学生能在课外去探索大自然,获取更多的知识。教材选择了学生接触较多的水、空气、土壤、金属、岩石作为认识对象。认识物体的基本属性,学生不难掌握,认识物体的基本方法就不易掌握了,教学
The mystery of exploring nature starts with knowing objects. To know the objects in different poses and with different attitudes, we must master the methods of cognition and the procedures of cognition, and have certain abilities. Natural textbook arranges "how to know objects (a) (b) (c) (d) (e) five class books, by understanding the properties of water, air and other five kinds of objects, grasp the basic methods and means of understanding of objects so that students Can go outside to study nature, gain more knowledge. The textbook chooses students to come into contact with more water, air, soil, metal and rock as their objects of understanding. Understanding the basic properties of objects, students are not difficult to grasp, understand the basic methods of objects is not easy to grasp, teaching