Terms : Hide Images
| 1982727405 | Absolute location | n. the exact place on earth where a geographic feature is found. | 0 | |
| 1982727406 | Relative location | n. describes a place in relation to other places around it. | 1 | |
| 1982727407 | Equator | n. the imaginary line that encircles the globe, dividing the earth into northern and southern halves. | 2 | |
| 1982727408 | Prime meridian | n. the imaginary line at zero meridian used to measure longitude east to west, and dividing the earth's east and west halves; also called Greenwich Meridian because it passes through Greenwich, England. | 3 | |
| 1982727409 | Latitude | n. a set of imaginary lines that run parallel to the equator, and that are used in locating places north or south. The equator is labeled the zero-degree line for latitude. | 4 | |
| 1982727410 | Longitude | n. a set of imaginary lines that go around the earth over the poles, dividing it east and west. The prime meridian is labeled the zero-degree line for longitude. | 5 | |
| 1982727411 | Hemisphere | n. each half of the globe. | 6 | |
| 1982727412 | Globe | n. a three-dimensional representation of the earth. | 7 | |
| 1982727413 | Topographic map | n. a general reference map; a representation of natural and man-made features on earth. | 8 | |
| 1982727414 | Core | n. the earth's center, made up of iron and nickel; the inner core is solid, and the outer core is liquid. | 9 | |
| 1982727415 | Lava | n. magma that has reached the earth's surface. | 10 | |
| 1982727416 | Lithosphere | n. the solid rock portion of the earth's surface. | 11 | |
| 1982727417 | Seismograph | n. a device that measures the size of the waves created by an earthquake. | 12 | |
| 1982727418 | Ring of Fire | n. the chain of volcanoes that lines the Pacific Rim. | 13 | |
| 1982727419 | Epicenter | n. the point on the earth's surface that corresponds to the location in the earth where an earthquake happens. | 14 | |
| 1982727420 | Chemical weathering | n. a process that changes rock into a new substance through interactions among elements in the air or water and the minerals in the rock. | 15 | |
| 1982727421 | Delta | n. a fan-like landform made of deposited sediment, left by a river that slows as it enters the ocean. | 16 | |
| 1982727422 | Moraine | n. a ridge or hill of rock carried and finally deposited by a glacier. | 17 | |
| 1982727423 | Drought | n. a long period without rain or with very minimal rainfall. | 18 | |
| 1982727424 | Tornado | n. a powerful funnel-shaped column or spiraling air. | 19 | |
| 1982727425 | Hurricane | n. a storm that forms over warm, tropical ocean waters. | 20 | |
| 1982727426 | Permafrost | n. permanently frozen ground. | 21 | |
| 1982727427 | Convection | n. the transfer of heat in the atmosphere by upward motion of the air. | 22 | |
| 1982727428 | Biome | n. a regional ecosystem. | 23 | |
| 1982727429 | Deciduous | adj. a named characteristic of broadleaf trees, such as maple, oak, birch, and cottonwood. | 24 | |
| 1982727430 | Coniferous | adj. another word for needleleaf trees. | 25 | |
| 1982727431 | Chaparral | n. a scrubland shaped by a Mediterranean climate. | 26 | |
| 1982727432 | Steppe | n. the term used for the temperate grassland region in the Northern Hemisphere. | 27 | |
| 1982727433 | Innovation | n. taking existing elements of society and creating something new to meet a need. | 28 | |
| 1982727434 | Birthrate | n. the number of live births per total population, often expressed per thousand population. | 29 | |
| 1982727435 | Fertility rate | n. the average number of children a woman of childbearing years would have in her lifetime, if she had children at the current rate for her children. | 30 | |
| 1982727436 | Rate of natural increase | n. also called population growth rate--the rate at which population is growing, found by subtracting the mortality rate from the birthrate. | 31 | |
| 1982727437 | Population pyramid | n. a graphic device that shows gender and age distribution of a population. | 32 | |
| 1982727438 | Command economy | n. a type of economic system in which production of goods and services is determined by a central government, which usually owns the means of production. Also called a planned economy. | 33 | |
| 1982727439 | Market economy | n. a type of economic system in which the production of goods and services is determined by the demand of the consumers. Also called a demand economy or capitalism. | 34 | |
| 1982727440 | Dictatorship | n. a type of government in which an individual or a group holds complete political power. | 35 | |
| 1982727441 | Democracy | n. a type of government in which citizens hold political power either directly or through elected representatives. | 36 | |
| 1982727442 | Infrastructure | n. the basic support systems needed to keep an economy going, including power, communications, transportation, water, sanitation, and education systems. | 37 | |
| 1982727443 | Free enterprise | n. an economic system in which private business operates in competition and largely free of state control. | 38 | |
| 1982727444 | Columbian Exchange | n. the widespread transfer of animals, plants, culture, human populations, communicable diseases, technology and ideas between the American and Afro-Eurasian hemispheres in the 15th and 16th centuries. | 39 | |
| 1982727445 | Multinationals | n. a company operating in several countries. | 40 | |
| 1982727446 | Metropolitan area | n. a functional area including a city and its surrounding suburbs and exurbs, linked economically. | 41 |
