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World Geography
Ch.B bocabullary
| Term | Definition |
|---|---|
| 1.Geography | 1.The study of the earth'surface and the process that shape it, the connections between places, and the complex relationship between people and their invoroments |
| 2.GIS | 2.A geographic information system, which uses computer technology to collect and analyze data about |
| 3.absolute location | 3.The position on the earth in which a place can be found |
| 4.hemisphere | 4.A half of the earth;equator divides the north and southern hemispheres; the prime meridian divides the |
| 5.relative location | 5.The position of a place in relation to another place |
| 6.character of a place | 6.The physical and human characteristics that help to distinguish a place from other places |
| 7.precipitation | 7.viewpoint that is influenced by their own culture |
| 8.formal region | 8.Formal Region A group of places that have similar attributes for example a political region |
| 9.functional region | 9.Functional Region A group of places connected by movement for example the region drained by the Amazon River its tributaries |
| 10.perceptual region | 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 |
| 12.mantle | A thick layer of mostly solid rock beneath the earth crust that surrounds the earth`s core, |
| 13.Crust | the solid rocky,surface layer of the earth. |
| 14. lithosphere | The surface features of the earth, including soil,rocks,and land forms. |
| 15.atmosphere | the layer of gases,water vapor,and other substances above the earth. |
| 16. hydrosphere | the water contained in oceans,lakes,rivers and under graund |
| 17.biosphere | the world of plants, and animals,and others living things in the earth, land and water. |
| 18.continent | any of the seven landmasses of the earth`s surface,Africa,Antarctica,Asia,Australia,Europe,North America,\and south America |
| 19.relief | the differences in elevation,or height,of the land forms any particular Area. |
| 20.plate tectonics | a theory explaining the structure of the earth's crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates that move slowly over the underlying mantle. |
| 21 continental drift theory | the gradual movement of the continents across the earth's surface through geological time |
| 22.ring of fire | A ring of volcanic mountains surrounding the pacific ocean |
| 23.whetering | the chemical or mechanical process by which the rock is gradually broken down, eventually becoming soil |
| 24.mechanical whethering | the actual breaking up or physical weakening of rock by forces such as ice |
| 25.chemical whethering | the process by which the actual chemical structure of rock is changed,usually when of water carbon dioxide cause breakdown of the rock |
| 26.acid rain | rain whose high concentration chemicals,usually from industrial pollution,pollutes water,kills plant and animal life,and eats away at the surface of stone and rocks; a form of chemical weathering, |
| 27.erosion | the movement of weathered materials, including gravel,soil, and sand,usually. |
| 28.sediment | particles of soil and rock carried and deposited by water,wind,or ice |
| 29.loess | fine-grained mineral-rich loam,dust,or silt deposited by the wind |
| 30.glacier | a huge,slow moving mass of snow and ice, |
| 31.moraine | a ridge like a mass of rock,gravel,sand and clay carried and deposited by a glacier |