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World Geography

Ch. 1 Vocab

TermDefinition
1. Geography. The integrating science that relates the physical world & living nature to the human factor.
2. GIS. A GIS uses computer technology to collect, manipulate, analyze, & display data about the earth's surface in order to solve geographic problems.
3. Absolute location. Its position on the globe.
4. Hemisphere. Halves.
5. Relative location. Its relation compared to other places.
6. Character of a place. Consists of the place's physical characteristics & human characteristics.
7. Perception. Viewpoint that's influenced by one's own culture & experiences.
8. Formal region. Areas in which certain characteristics are found throughout the area.
9. Functional region. Consists of a central place & the surrounding places affected by it.
10. Perceptual region. Defined by people's feelings & attitudes about areas.
11. Core. The earth's center, consisting of very hot metal that is dense & solid in the inner core & molten, or liquid, in the outer core.
12. Mantle. A thick layer of mostly solid rock beneath the earth's 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, & landforms.
15. Atmosphere. The layer of gases, water vapor, & other substances above the earth.
16. Hydrosphere. The water contained in oceans, lakes, rivers, & under the ground.
17. Biosphere. Plants, animals, & living things.
18. Continent. Any of the seven large landmasses of the earth's surface : Africa, Antarctica, Asia, Australia, Europe, North America, & South America.
19. Relief. The differences in elevation, or height, of the landforms in any particular area.
20. Plate Tectonics. The theory that the earth's outer shell is composed of a number of large, unanchored plates, or slabs of rock, whose constant movement explains earthquakes and volcanic activity.
21. Continental drift theory. The idea that continents slowly shift their positions due to movement of the tectonic plates on which they ride.
22. Ring of Fire. A ring of volcanic mountains surrounding the Pacific Ocean.
23. Weathering. The breakdown of rock at or near the earth's surface into smaller & smaller pieces.
24. Mechanical weathering. Occurs when rock is actually broken or weakened physically.
25. Chemical weathering. The process of chemical weathering alters a rock's chemical makeup by changing the minerals that form the rock or combining them with new chemical elements.
26. Acid rain. Chemicals in the polluted air combine with water vapor & fall back to earth as an acid rain.
27. Erosion. The movement of weathered materials such as gravel, soil, and sand.
28. Sediment. Small particles of soil, sand, & gravel.
29. Loess. Fine-grained, mineral-rich loam, dust, or slit deposited by wind.
30. Glacier. Huge, slow moving sheets of ice.
31. Moraine. A ridgelike mass of rock, gravel, sand, & clay carried & deposited by a glacier.
Created by: jackfulcher