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worldgeography14

vocab

TermDefinition
1.geography the study of earth surface and the processes that shape it,the connenctions between places and the complex relationship between people an thier environments
2.GIS a geograpic information system which uses computer technology to collect and analyze data about earth surface inn order to solve geographic problems
3.absolute location the position on the earth in which a place can be found
4.hemisphere a half of the earth the equator divides the northern an southern hemispheres the prime meridian divides the eastern and westren hemisphers
5.relative location the position of a place in relation another place
6.character of a place the physical and human characteristics that help to distinguish a place from other places
7.perception a viewpoint that is influenced by one's own culture and experiences
8.formal region a group of places that have similar attributes for example a poitical region
9.functional region a group of places connected by movement for example the region drained by the amazon river and its tributaries
10.perceptual region a group of places that is defined by people's feelings and attitudes,
11.core the earth's center,consisting of very hot metal that is dense and solid in the inner core and molten or liquid in the outer core.
12.mantle A thick layer of mostly solid rock beneath the earths crust that surrounds the earths core
14.crust the solid rocky surface layer of the earth.
15.lithosphere the surface features of the earth including soil,rock,and landforms
16.atomosphere the layer of gases,water,vapor and other substances above the earth.
17.hydrosphere the water contained in oceans,lakes,rivers and under ground
18.biosphere the world of plants,animals and other living things in earths land and waters
19.continent any of the seven large landmasses of the earths surface;africa, antaructica, asia, austraila, europe, north america and south america
20.relief the differences in elevation or height of the land forms in any particular area
21.plate tectonics the theory that the earths unanchored plates or slabs of rock whose constant movement explains earth quakes and volcanic activity
22.continental drift theory the idea that continents slowly shift their positions due to movement of the tectonic plates in which they ride
23.ring of fire a ring of volcanic mountains surrounding the pacific ocean
24.weathering the chemical or mechanical process by which rock is gradually broken down eventually becoming soil
25.mechanical weathering the actual breaking up or physical weakening of rock by forces such as ice and roots
26.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
27.acid rain rain whose high concentration of chemicals usually from industrial pollution pollutes water kills plant and animal life and eats away the surface of stone and rock a form of chemical weathering
28.ersion the momvent of weatered materials including gravel soil and sand usually caused by water wind and glaciers
29.sediment particles of soil and rock carried and deposited by water, wind, or ice
30.loess fine-grained, mineral-rich loam, dust, or silt deposited by the wind
31.glacier a huge slow moving mass of snow and ice
32.moraine a ridge like mass of rock gravel sand and clay carried and deposited by a glacier
33.ecosystem the interaction of plant life animal life and the physical environment in which they live
34.biome the term used to desecribe a major type of ecosystem that can be found in various regions throughout the world
35.decidouous leaf-shedding a type of tree that sheds its leaves during on season
36.coniferous a type of tree able to survive long cold winters with long thin needles rather then leaves
37.chaparral a type f natural vegtation that is adapted to mediterranean climates;small every green trees and low bushes or scrub
38.savanna a tropical grassland with scattred trees loacted in the warm lands near the equator
39.herbivore a plant eating animal
40.carnivore a meat eating animal
41.prairie a temperate grassland characterized by a great varierty of grasses
42.tundra a dry treeless plain where temperatures are always cool or cold and only specialized plants can gro
43.permafrost a layer of soil just below the earth surface that stays permanently frozen
Created by: coltonsanders