powerpoint presentation over reading maps for 9th grade history

1. Reading Maps
9th
Grade History
Steve Ward

3. Longitude and Latitude
● Grid system used to locate a specific location
on the Earth's surface.

4. Latitude
● Parallel
● Although they run East to
West, they are measured
North to South.
● 0°-90° North and South
● 0° is Equator

5. Longitude
● Converge at Poles
● Run North to South,
measured East to West
● 0°-180° East to West
● 0° and 180° make up the
Prime Meridian

6. St. Louis
38°N 90°W
Denver
39°N 106°W
Seattle
47°N 122°W
New Orleans
31°N 91°W

7. Map Projections
● Maps are images
from a sphere put on
to a flat surface.
● Causes distortion of
size, distance and
shape
● A globe is the only
way to represent the
earth with no
distortian

8. Mercator Projection

9. Robinson Projection

10. How do we use maps in history?