高二地理专题复习三地图（Special geography review three map）.doc

高二地理专题复习三地图（Special geography review three map） This article is contributed by semayyxm Ppt documents may experience poor browsing on the WAP side. It is recommended that you first select TXT, or download the source file to the local view. Warmly welcome all leaders and experts to visit and guide us Senior geography review three Map Learning goals 1, what are the three elements of the map? 2, how to determine the direction on the map based on latitude and longitude lines or direction markers? 3. How is the scale calculated? How do you compare? How about the size and extent of the map? The three elements of scale, direction, scale, direction, legend, and annotation map: Line segment Zero 40km Scale = Distance from field Express On the map, 1cm stands for field 40km (also called scale) The 1cm is represented by a digital 1:500000 word representation Representing field 500000cm Proportion 170180170 Ulnar Fifty A Calculation B Sixty If the graph of A and two points on the graph is separated from 2.22cm on the graph of two points, if the distance between the graph and the B two points is on the graph, then the scale of the graph is. Then the scale of the graph is 1:5000000. Comparison of scale sizes The above four Chart scale from big to small arrangement, the correct is the above four Chart scale from big to small arrangement, the correct is 31, ABCD 2, CDBA 3, ABDC, and 4, BADC, A the four island area is the smallest island area of four above the minimum water is water Conclusion? In the two map of the same size, in the two map of the same size on the larger scale, larger scale, scope of representation on the smaller, reflect more detailed content; detail; smaller scale, the scope of the representation on the greater the greater the the contents of the more simple. If the whole class is going to visit the Suzhou amusement park, how can I choose the map? If the whole class is going to visit the Suzhou amusement park, how can I choose the map? Jiangsu map, Suzhou traffic