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world geo
chapter one vocabulary
1.geography | The study of the earths surface and the processes that shape it the connections between places and the complex relationships between people and their environments. |
2.GIS | A geographic information system which uses computer technology to collect and analyze data about the earths surface in 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 hemisphere and Southern hemispheres; the prime meridian divides the eastern and western hemispheres. |
5.relative location | the position of a place in relation to 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 ones own culture and experiences. |
8.formal region | A group of places that have similar attributes for example a political region. |
9.functional region | A group of places commected by mocement for example the re |
10.perceptual region | A group of places that us defined by peoples feelings and attitudes. |
11.core | The earths 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. |
13.crust | The solid, rocky, surface layer of the earth. |
14.lithosphere | The surface features of the earth, including soil, rocks, and landforms. |
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 the ground. |
17.biosphere | The world f plants, animals,and other living things in earths land and waters. |
18.continent | Any of the seven large landmasses of earths surface; North America, South America, Europe, Africa, Asia, Antarctica, Australia. |
19.relief | The differences in elevation, or height, of the landforms in and particular area, |
20.plate tectonics | The theory that the earths outer shell is composed of a number of large, unanchored plates, or slabs of rock, whoke constant move |
21.continental drift theory | The idea that continents slowly shift their positions due to movement of the tectonic plates on which the ride. |
22.ring of fire | A ring of volcanic mountains surrounding the pacific ocean. |
23.weatheering | The chemical or mechanical process by which rock is gradually broken down, eventually becoming soil. |
24.mechanical weathering | The actual breaking up or physical weakening of rock by forces such as ice and roots. |
25.chemical weathering | the process by which the actual chemical structure of rock is change, usually when water and carbon dioxide cause a breakdown of the rock. |
26.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. |
27.erosion | The movement of weathered materials including gravel soil and sand usually caused by water wind and glaciers. |
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 mass of rock, gravel, sand, and clay carried and deposited by a glacier. |