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Chapter 1 Vocabulary

World Geography

TermDefinition
Gis A geographic information system, which uses computer technology to collect and analyze data abut the earths surface in order to solve geographic problems
Absolute location the position on the earth in which a place can be found
Hemisphere A half of the earth the equator divides the earth into northern and southern hemispheres the prime meridian divides the earth into eastern and western hemispheres.
Relative location the position of a place in relation to another place
Character of a place The physical and human characteristics that help to distinguish a place from other places
Perception a viewpoint that is influenced by ones own culture and experiences.
formal region a group of places that have similar attributes for example a political region
Functional Region a group of places connected by movement for example the region drained by the amazon river and its tributaries.
Perceptual Region a group of places that is defined by peoples feelings and attitudes.
Geography is the study of where people, places, and things are located and how they relate to each other.
core center of the earth consists of very hot metal, mainly iron mixed with some nickel.
mantle a thick layer of rock
crust is surprisingly thin, like frosting on a cake
lithosphere the surface features of the earth, including soil, rocks, and land forms
atmosphere the layer of gases, water vapor, and other substances above the earth
hydrosphere the water contained in oceans, lakes, rivers, and under the ground
biosphere is the world of plants, animals, and other living things that occupy the land and waters of the planet
continent large landmasses in the oceans seven large landmasses of the earths surface africa, antarctica, asia, australia, europe, north america, and south america
relief the difference in elevation or height of the landforms in any particular area
plate tectonics theory that the earths outer shell is composed of a number of large unanchored plates or slabs of rock, whose constant movement explains earthquakes and volcanic activity
continental drift theory the idea that continents slowly shift their positions due to movement of the tectonic plates on which they ride
Ring of fire a ring of volcanic mountains surrounding the pacific ocean
weathering chemical or mechanical process by which rock is gradually broken down, eventually becoming soil
mechanical weathering the actual breaking up or physical weakening of rock by forces such as ice and roots
chemical weathering the process by which the actual chemical structure of rock is changed, usually when water and carbon dioxide cause a breakdown of the rock
acid rain rain whose high concentration of chemicals, usually from industrial pollution, pollutes water, kills plant and animal life, and eats away at the surface of stone and rock; a form of chemical weathering
erosion the movement of weathered materials, including gravel, soil, and sand, usually caused by water, wind, and glaciers.
sediment particle fo soil and rock carried and deposited by water, wind, or ice.
loess fine grained mineral-rich loam, dust, or silt deposition by the wind
glacier a huge slow-moving mass of snow and ice
moraine a ridgelike mass of rock, gravel, sand, and clay carried and deposited by a glacier
Created by: Grace Scott