The Geographer's Tools Flashcards
What are the geographer’s tools?
The maps, the globes, and data.
What is the oldest known map?
Its the babylonian clay tablet, circa 500 B.C
What are the functions of maps?
To show locations of places, landforms, and bodies of water, and
where they are in relation to other parts of the earth.
What are Globes?
A globe is a three dimensional representation ( a sphere) of Earth.
What can globes show?
They can show the Great Circle Route, the shortest path between two points on the earth surface.
What is a map?
A map is a two dimensional graphic representation of Earths surface in a flat surface.
What are cartographers and what they attempt to do?
Cartographers are mapmakers, they attempt to transfer the earth (a round, spherical globe) to a flat paper.
What are the advantage and disadvantage of maps projections
Maps projection are used for navigation at sea, of airplanes and it helps to teach and inform.
However, the disadvantages are that usually maps are distorted for the diffuculty of transfering a round form into a flat paper.
For what does the Mercator is used?
Mercator, is used for navigation at sea. Most accurate in the tropics from west to east and most distortion at the north and south.
For what does Robinson is used?
It is used in classrooms and is one of most accurate maps. Most accurate at the equator, most distortion around the outer edges.
For what is used the Polar?
Its used for navigation of airplanes, most accurate at the poles, most distortion around the outer edges.
