Mid-Term AP Geo
Environmental Determinism
The belief that the physical environment (climate, terrain) strongly shapes human culture and societal development.
Environmental Possibilism
The idea that the environment sets limits, but humans have the ability to adapt and innovate to overcome them.
Geographic Information Systems (GIS)
Computer systems that capture, store, analyze, and display spatial or geographic data.
Formal Region
An area defined by official boundaries or uniform characteristics (e.g., a country, a state).
Functional Region
An area organized around a focal point or node (e.g., a metropolitan area centered on a city).
Perceptual Region
A region defined by people’s attitudes, feelings, or perceptions (e.g., “the South” in the U.S.).
Time-Space Compression
The process by which technology reduces the time it takes for people, goods, and ideas to travel across space.
Distance Decay
The principle that interaction between two places decreases as distance increases.
Total Fertility Rate (TFR)
The average number of children a woman is expected to have during her lifetime.
Pro-Natalist Policies
Government policies designed to encourage higher birth rates.
Anti-Natalist Policies
Government policies aimed at reducing birth rates.
Malthusian Theory
The idea that population growth will outpace food supply, leading to famine and conflict.
Demographic Transition Model (DTM)
A model showing how birth rates, death rates, and population growth change as societies industrialize.
Crude Birth Rate (CBR)
The number of live births per 1,000 people in a population per year.
Crude Death Rate (CDR)
The number of deaths per 1,000 people in a population per year.
Dependency Ratio
The ratio of dependents (young and elderly) to the working-age population.
Push Factor
A negative condition that drives people away from their home (e.g., war, famine).
Pull Factor
A positive condition that attracts people to a new location (e.g., jobs, safety).
Chain Migration
Migration that occurs when migrants follow family or community members to a new location.
Population Pyramid
A graph showing the age and sex distribution of a population.
Natural Increase Rate (NIR)
The percentage by which a population grows annually, excluding migration.
Refugees
People forced to flee their country due to conflict, persecution, or disaster.
Artifacts
Physical objects created by a culture (e.g., tools, clothing).
Mentifacts
The ideas, beliefs, and values of a culture.
Sociofacts
The social structures and institutions of a culture (e.g., family, government).
Centripetal Forces
Factors that unify and stabilize a country (e.g., nationalism, shared language).
Centrifugal Forces
Factors that divide or destabilize a country (e.g., ethnic conflict, political fragmentation).
Contagious Diffusion
The rapid, widespread diffusion of a trait or idea through direct contact.
Hierarchical Diffusion
The spread of ideas from larger or more influential nodes (e.g., cities, leaders).
Stimulus Diffusion
The spread of an idea that is modified to fit local culture.
Relocation Diffusion
The spread of ideas through physical movement of people.
Lingua Franca
A common language used for communication between speakers of different native languages.
Ethnic Religion
A religion closely tied to a specific ethnic group and location (e.g., Hinduism).
Universalizing Religion
A religion that seeks to appeal to all people globally (e.g., Christianity, Islam).
Syncretism
The blending of different cultural or religious traditions.
Globalization
The increasing interconnectedness of people, economies, and cultures worldwide.
State
A politically organized territory with sovereignty and recognized boundaries.
Nation
A group of people united by shared culture, language, or history.
Nation-State
A state whose population is largely composed of a single nation (e.g., Japan).
Stateless Nation
A cultural group without its own independent state (e.g., Kurds, Palestinians).
Imperialism
The practice of extending power and control over other territories.
Devolution
The transfer of power from a central government to regional or local governments.
Neocolonialism
Economic and political control exerted by powerful countries over weaker ones, often post-independence.
Shatterbelts
Regions caught between stronger external forces, often experiencing instability and conflict.
Territoriality
The connection of people to land, often expressed through boundaries and control.
Federal State
A political system where power is shared between central and regional governments (e.g., U.S.).
Unitary State
A political system where power is concentrated in a central government (e.g., France).
Gerrymandering
Manipulating electoral district boundaries to favor one political party.
Superimposed Boundaries
Boundaries imposed by external powers, ignoring existing cultural divisions (e.g., colonial Africa).
Subsequent Boundaries
Boundaries drawn after cultural landscapes developed, often reflecting ethnic divisions.
Relic Boundaries
Old boundaries that no longer function but still leave a mark on the landscape (e.g., Berlin Wall).
Irredentism
A movement to reclaim or annex territory considered lost or historically belonging to a nation.
Chokepoints
Narrow strategic passages (e.g., straits, canals) that are critical for trade and military movement.