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Vocab Unit 1-3

Absolute Location The exact location of a place on the Earth's surface.
Aquifer Underground water bearing layers of porous rock, sand, or gravel.
Atmosphere Thin layer of gases that surrounds the Earth.
Aztec Indigenous group; conquered other groups before Spanish came 1519.
Biosphere The part of the Earth where life exists.
Brain Drain The loss of highly educated and skilled workers to other countries.
Canadian Shield Extensive region making up much of northern and central Canada underlain by Precambrian rocks that have been eroded.
Climate Weather patterns typical for an area over a long period of time.
Colombian Exchange Widespread transfer of plants, animals, culture, human populations, technological, diseases, and ideas.
Command Economy A system of resource management in which decisions about production and distribution of goods and services are made by central authority.
Coniferous Referring to vegetation having cones and needle shaped leaves, including many evergreens, that keep their foliage throughout the winter.
Continental Shelf Part of a continent that extends underneath the ocean.
Cottage Industry A business that employs workers in their homes.
Culture Hearth A center where cultures developed and from which ideas and traditions spread outward.
Deciduous Falling off/shed seasonally/periodically; trees such as oak and maples which lose their leaves in autumn.
Demographic Transition Model The model that uses birthrates and death rates to show how populations in countries/regions change over time.
Desalination The removal of salt from seawater to make it usable for drinking and farming.
Desert Warm climate; less than 10 inches dry air.
Divide A high point/ridge that determines the direction rivers flow.
Dominion A partially self-governing country w/ close ties to another country; a largely self-governing country w/in the British Empire.
Elevation The height of a land surface above the level of the sea.
Emigrate To leave one's own country to settle permanently in another.
Equinox One of two days (about Mar. 21 & Sept. 23) on which the sun is directly above the Equator, making day and night = in length.
Erosion The movement of weathered rock and material by wind, water, and glaciers; the weathering away of soil.
Federal System Form of gov't. and state/provincial gov't.
Formal Region A region defined by a common characteristic, such as production of a product.
Free Enterprise A system in which private individuals/groups have the right to own property/businesses and make a profit w/ limited gov't.
Free Trade Zone An area of a country in which trade restrictions do not apply.
Functional Region A central place and the surrounding territory linked to it.
Globalization The expansion of economic, political, and cultural processes to the point that they become global in scale and impact.
Great Circle Route An imaginary line that follows the curve of the Earth and represents the shortest distance between two points.
Great Plains In the middle of US; prairies, steppes, and grasslands.
Greenhouse The capacity of certain gases i the atmosphere to trap heat, thereby warming the Earth.
Gross Domestic Product The value of goods and services produced w/in a country in a yr.
Hydroelectricity Electrical energy generated by failing water.
Hydrosphere The watery areas of the Earth, including oceans, lakes, rivers, and other bodies of water.
Inuit A member of the Arctic native peoples of North Americ;a; once known as Eskimo.
Isthmus A narrow strip of land connecting two larger land areas.
Leeward Being in/facing the direction toward which the wind is blowing.
Lithosphere Uppermost layer of the Earth that includes the crust, continents, and ocean basins.
Llanos Fertile grasslands found in inland areas of Colombia and Venezuela.
Loyalists An America colonist who remained loyal to the British gov't.
Map Projection A mathematical formula used to represent the curved surface of the Earth on the flat surface of a map.
Maquiladora In Mexico, a manufacturing plant owned by a foreign; a manufacturing plant owned by a foreign company.
Maya Indigenous group builds stone buildings.
Mestizo Refers to people of mixed indigenous and European descent.
Migration The movement of people from place to place.
Mixed Economy A system of resource management in which the gov't. supports and regulates enterprise through decisions that affect the marketplace.
Monarchy A form of autocracy w/ a heredity king/queen exercising supreme power.
Pampas Grassy, treeless plains of southern South America.
Patagonia Sparsely population southern end of South America.
Perceptual Region A region defined by popular feelings and images rather than by objective data.
Permafrost Permanently frozen layer of soil beneath the surface of the ground.
Plate Tectonics The term scientists use to describe the activities of continental drift and magma flow, which create many of Earth's physical features.
Population Density The avg. of people living on a sq. mi./sq. km. of land.
Population Pyramid A diagram that shows the distribution of a population.
Rain Shadow Effect Result of a process by which dry areas develop on the leeward sides of mt. ranges.
Relative Location Location in relation to other places.
Relief The variation in elevation across an area of Earth's land.
Ring of Fire Active volcanoes and earthquakes; tectonic plates colliding.
Secondary Economic Activity Processing raw materials.
Separatism The breaking away of one pt. of a country to create a separate, independent country.
Solstice One of two days (about June 21 & Dec. 22) on which the sun's rays strike directly on the Tropic of Capricorn, marking the beginnings of summer/winter.
St. Lawrence Seaway System of locks, canals, channels, connects Atlantic Oceans,
Steppe Wide, grassy plains of Eurasia; also, similar semi arid grassy areas elsewhere.
Subduction Process by which oceanic plates, often causing mt. to form on land.
Suburb An outlying district of a city; residential.
Sunbelt A mild, climate region in the southern and southwestern portions of the US.
Theocracy System of gov't. in which officials are regarded as divinely inspired.
Tierra Caliente Hot Earth
Tierra Fria Cold Earth
Tierra Templada Temperate Earth
Traditional Economy A system in which tradition and custom control all economic activity; exists in only a few pt.s of the world.
Tropical Wet 80 degrees; abundant biodiversity.
Urbanization The relocation of people from rural areas to urban areas.
Vertical Climate Zone A climate zone that occurs as elevation increases, with its own natural vegetation and crops.
Water Cycle Regular movement of Earth's water from ocean to air to ground and back to the ocean.
Weather Condition of the atmosphere in one place during a short pd. of time.
Weathering Chemical/physical process that break down rocks into smaller pieces.
Windward Being in/facing the direction from which the wind is blowing.
Created by: A1002420



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