1. Why is Geography a Science?
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2. Geography and History
Geography and history are very similar, but unlike history, geography is attempting to identify important places and explain why certain human events happen near each other. Unlike history which explains dates and why events follow another.
Geographers ask 2 main questions.
1. Where are people and activities found on Earth?
2. Why are those people and activities located where they are?
Because geographers are able to travel to different places, there is a sense of immediacy to geography that history lacks.

3. Explaining Where and Why
To explain where, geographers use maps. Maps help describe what we know about the Earth. Today maps are generated electronically and are quite accurate.
There are several different concepts geographers use to explain why every place on Earth is in some way unique, yet also related to other locations. To explain why they are unique, they use the concepts of
Place: a specific place on Earth distinguished by a particular characteristic.
Region: An area of Earth defined by one or more distinctive characteristics

4. Continued To explain how they are related they use the concepts of:
Scale: The relationship between the portion of Earth being studied and the Earth as a whole.
Space: This is the physical gap between two objects.
Connection: This refers to relationships among people and objects across the barrier of space.

5. Geography in the Ancient World
The oldest surviving maps were created in the 7th or 6th century B.C. Geography was a major aspect of the ancient world.
Among the ancient contributors were:
Thales of Miletus: applied geometry to studying land mass.
Pythagoras: Was the first to suggest that the Earth was round.
Aristotle: Proved the Earth was round.
Eratosthenes: He invented the word Geography as well as calculated the circumference of the Earth, among other things.
During the first millennium A.D. maps became more fanciful and less mathematics based. This was not corrected until the middle ages.

6. Reading Maps
Map Scale can be written as a fraction or written as a scale.
Map Scale shows how long a unit of measure is depicted on a map.
Projection is how cartographers draw the round image of earth onto a flat map.
If a map is drawn as a square image it can lead to distortion in shape, size, and direction.

8. The Geographic Grid
The earth is divided into a grid for location purposes. Lines on the grid that run North and South are called longitude lines, lines that run East and West are known as latitude lines.
0 degrees latitude is called the equator, and 0 degrees longitude is called the prime meridian.
Longitude lines also play a major role in establishing time zones on the earth.

9. Contemporary Geographic Tools
Modern geography is very accurate and dependent on things like Global Positioning Systems (GPS), which determine precise positions on Earth and Geographic Information (GI) Science.
These tools allow geographers to create much more accurate maps than ever before.