I. The Shape of the Earth (pages 4-6)
A. The Earth is a sphere
B. What we know about the Earth
II. Latitude and Longitude (pages 7-10)
A. A geographical mistake leads
Columbus to the Americas
B. Ptolemy put a rid on his map
C. Using a map grid
III. Scale and Elevation (11-15)
A. Measuring distances long ago
B. Measuring distances today
C. Showing the land's elevation
IV. Taking a Bird's-Eye View (16-18)
A. Taking pictures of the Earth
B. A new view of the Earth
V. Projections (19-21)
A. Drawing a round Earth on a flat map
B. A map for travelers and sailors
C. A projection that shows true sizes
of land areas
The Seasons
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