1. Lesson 3

2. Maps and Globes Making Pictures of Your World

3. The "Languages" of Maps

4. Bird’s eye view of the Landscape

5. Vertical Aerial Photographs are like maps

6. Maps With 3 different scales ：“ is to”

9. Linear scale

10. 比例尺 = 图上距离 实地距离 线段式： 数字式： 1:100000 或 公式 表示方式 0 1 2 3 4km 1 100000

11. Direction 方向

12. How can you find directions? Street Nameplate Compass Sunrise Polar Star Doors & Windows Your Watch

13. Key & Legend 图例

14. Many Maps Political

15. physical

16. Weather Map:

17. Road Map:

18. Treasure Map:

20. Satellite Maps

22. Playground 线段式： 数字式： 1:500 1 500 或 Legend 图例 Drawer Scale 比例尺 goal basketball stands 6.9m 37m 37m Sail 37m=7.4cm 6.9m=1.38cm 0 5 10 15 25m

24. Map Projection （投影）

25. The earth is round. The challenge of any world map is to represent a round earth on a flat surface. Transformation 变形

26. What is the best way to show our world as it really is?

27. Ancient People Guess China ： “天圆如张盖，地方如棋局” Shanghai Museum The temple of Heaven

28. How did ancient people know the Earth is nearly round!!!!

29. Proof 1 Pythagoras: Greek philosopher and mathematician 毕达哥拉斯

30. Greek philosopher :Aristotle Proof 2 亚里斯多德 Lunar Eclipse

31. solar eclipse 2009.7.22 India

32. Magellan Columbus Proof 3

33. It is a not perfect sphere. It is flat at the Poles. The Shape of The Earth