The Five Themes of Geography. There are Five Themes of Geography?
Five Themes of Geography - PC\|MACimages.pcmac.org/.../Five_Themes_of_Geography.pdf ·...
Transcript of Five Themes of Geography - PC\|MACimages.pcmac.org/.../Five_Themes_of_Geography.pdf ·...
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Chapter 1Physical Geography: Looking at the Earth
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Looking at the Earth
Geography involves the study of places: their locations, their characteristics, and how humans use and move around them.
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Section 1 Five Themes of Geography
Geographers view the world in terms of the use of space.
Geographers study the world by looking at location, place, region, movement, and human-environment interaction.
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The Geographers Perspective
Geographers and Historians
Historians look at events over time
Geographers look at:
use of space on earth
interactions that take place there
patterns and connections between people and land
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Methods of Geography
Geographers use a variety of tools:
Maps
Photographs
Charts, graphs, tables
Scale models
The Five ThemesSatellite images taken from space - such as this of Baja California - help geographers create accurate maps.
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Theme 1: Location
Asks the question: Where is it?
Absolute Location — exact location where a geographic feature is found
Relative Location — location of a place compared to places around it
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Theme 1: Location Absolute Location
Absolute Location
Earth is divided into two equal halves, vertically and horizontally
Each vertical and horizontal half is called a hemisphere
An imaginary line, the Equator, divided north and south halves.
Another imaginary line, the Prime Meridian, divides east and west.
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Earth’s Hemispheres
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Theme 1: Location Earth’s Grid System
Latitude Lines
Geographers use latitude lines to locate places north and south
Latitude — imaginary lines that run parallel to the equator
Longitude Lines
Geographers use longitude lines to mark positions east and west
Longitude — imaginary lines that go over the poles
Where latitude and longitude cross is the absolute location
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Theme: Location Relative Location
How a place is related to its surrounding environment.
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Theme 2: Place
Asks the question: What is it like?
Place includes physical features and cultural characteristics:
physical features include climate, landforms, vegetation
cultural characteristics include dams, highways, houses.
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The skyline of New York, NY as seen from a river boat shows physical and cultural characteristics of a place.
Place
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Theme 3: Region
Asks the question: How are places similar or different?
A region is an area united by similar characteristics
Unifying characteristics — physical, political, economic, cultural
Three types of regions:
Formal
Functional
Perceptual
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Theme 3: Region Formal Regions
Defined by a limited number of related characteristics
Formal regions of the world:
The United States and Canada
Latin America
Europe
Russia and the Republics
Africa
Southwest Asia
South Asia
East Asia
Southeast Asia, Oceania, and Antartica
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Theme 3: Region Functional Regions
Organized around interactions and connections between places.
Example: a city and its suburbs are connected through human movement.
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Theme 3: Region Perceptual Regions
Region with characteristics people perceive in much the same way
Example: The South
Sometimes perceptions differ from person to person: Does the south include Virginia or not?
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Theme 4: Human-Environment Interaction
Asks the question: How do people relate to the physical world?
A relationship exists between people and their environment.
People use and change the environment to meet their needs
People adapt to environmental conditions they cannot change.
Often, people in similar environments adoption different ways.
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Theme 5: Movement
Asks the question: How do people, goods, and ideas get from one place to another?
Geographers use three types of distance to analyze movement:
Linear Distance
Time Distance
Psychological Distance
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Theme 5: Movement Linear and Time Distance
Linear Distance — how far a person, product, or idea travels
Time Distance — how long it takes for person, product, idea to travel
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Theme 5: Movement Psychological Distance
Refers to the way people perceive distance
Example: unfamiliar places may seem farther away than familiar ones