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World Geography.
Chapter 1 Vocabulary
Term | Definition |
---|---|
1.geography | the study of where people places and thinggs are located |
2.GIS | comupter technology to collect,manipulate, analyze,and display data about the earths surface. |
3.absolute location | it positions the globe |
4.hemisphere | divides the world in half |
5.relative location | or its relation ompared to other places. |
6.character of place | consists of the places physical characteristics and human characteristics. |
7.perception | a viewpoin that is influenced by ones own culture and expirences |
8.formal regions | consist of a central place and the surrounding places affected by it. |
9.perceptual regions | defined by peoples feelings and attitudes about areas. |
10.functional region | consits of a central place and the surrounding places affected by it. |
11.core | center of the earth |
12.mantle | a thick later of rock. |
13.crust | rocky surface layer of the earth |
14.lithosphere | made up of soil, rocks, and other surfacce features |
15.atomosphere | the layer off air, water, and other substances above in the surface |
16.hydroshpere | consists of water in oceans, lakes, and rivers, and even under ground. |
17.biosphere | the world of plants, animals, and other living things that occupy the land and waters of the planet. |
18.continents | any of the seven large landmasses of the eaths surface; Africa, Antarctica, Asia, Austrailia, Europe, North America, and South America. |
19.relief | the differences in elevation, or height, of the landforms in any particular area. |
20.plate tectonics | the earths outer shell is not the earths crust and mantle. |
21.coninental drifft theory | The theory that the earths outer shell is composed of a number of large, unanchored plates, or slabs of rock, whose constant movement expalings earthquakes and volcanic activity. |
22.Ring of fire | a cirlce of volcanoes surrounding the pacific ocean. |
23.Weathering | the breakdown of rock at or near the earth's surface into smaller and smaller pieces. |
24.Mechanical Weathering | occurs when rock is actuall broken or weakend phyiscally. |
25.Chemical Weathering | alters a rocks chemical makeup by changing the minerals that form the rock or combining them witth new chemical elements. |
26.Acid Rain | Chemicals in the polluted air combine with water vapor and fall back to earth as acid rain. |
27.Erosion | the movement of weathered materials such as gravel, soil, and sand. |
28.Sediment | small particles of soil, sand, and gravel. |
29. loess | windblown deposits of mineral rich dust and silt. |
30.Glaciers | huge, slow-moving sheets of ice. |
31.Moraines | when glaciers melted and receded in some places, they left behind ridgelike piles of rocks and debris. |