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教材简析 第三册自然教材,共22篇课文。涉及四季、动物、人体生理,力和运动、生态平衡五项内容。它是在前两册研究自然界单个物体的外部属性的基础上,过渡到研究自然状态下,大范围内众多物体的本质属性及其规律。尤其是教材的重点单元《力和运动》,篇幅较多,教学内容广泛。 因而,教材重点设置了人为控制和模拟自然现象的实验教学内容。
Analysis of Teaching Materials The third volume of natural materials, a total of 22 texts. Involving the four seasons, animals, human physiology, forces and sports, ecological balance five content. It is based on the first two volumes of research on the external properties of a single object in the natural world, and it transitions to the study of the natural state, the nature and laws of many objects in a large range. In particular, the key element of the textbook is “Strength and Movement.” It has more space and teaching content. Therefore, the teaching material focuses on the experimental teaching content of artificial control and simulation of natural phenomena.