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空间概念知识网络是按由低到高的“五个地球”层级来构建的。即由经纬线构成“骨架地球”;添加海陆分布成为“平面地球”;增加山脉等地形成为“立体地球”;地球运动、大气变化、地壳运动以及水热运动等构成“动态地球”;千变万化的地表事物(自然地理特征、人文地理特征)构成“多彩地球”。随着这“五个地球”的内容逐渐丰富,可以整合中学阶段的主干知识,使学生拥有一个完整而清晰的知识网络,从而达到奠定和培养学生具有知识迁移运用能力的目的,最终实现构建学生全球尺度的脑中“数字地球”的目标。
The spatial concept knowledge network is built from low to high “five earths” levels. That is, formed by the latitude and longitude lines “skeleton Earth ”; Add the distribution of land and sea to become “Plane Earth ”; Increase the formation of the mountains and other places “three-dimensional earth”; Earth movement, atmospheric changes, crustal movement and hydrothermal movement, “Dynamic Earth”; the ever-changing surface features (natural geography, human geography) constitute “colorful earth”. With the gradual enrichment of this “Five Earths”, we can integrate the backbone knowledge of secondary school so that students have a complete and clear knowledge network so as to achieve the goal of establishing and cultivating students’ ability of knowledge transfer and finally realize Construct students in the global scale “Digital Earth” goals.