1. Maps
Why Maps Matter

2. Maps
A two dimensional graphic representation of selected parts of the earth’s surface.
Problem- ALL ARE DISTORTED!!!
Size
Shape
Distance
Globes are the best representation of the earth’s surface

3. Map Projections

4. Map Projection- round earth on a flat surface
Globe best way to show the earth
Planar (Azimuthal)
Robinson (aka Compromise) shape is distorted in polar areas

5. Mercator. distorts size and distance (see Africa
Mercator distorts size and distance (see Africa compared to North America)

6. Types of Maps

7. Political. Shows boundaries, states,. human made features, like
Political Shows boundaries, states, human made features, like cities and roads.
More political maps

8. Cartograms Information is shown in size and distance

9. Physical shows bodies of water, rivers, mountains, elevation
More examples:

10. Qualitative

11. Flow line

12. Special Purpose Maps Give a single idea or a particular
kind of information
More examples:

13. Where Google Street View is Available

14. McDonald’s Across the World

15. Worldwide Driving Orientation by Country

16. Map of Where 29,000 Rubber Duckies Made Landfall After
Falling off a Cargo Ship in the Middle of the Pacific Ocean

17. into the Mississippi River
The 7000 Rivers that Feed
into the Mississippi River

18. Latitude and Longitude
Earth’s Population by
Latitude and Longitude