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Africa's Geography

TermDefinition
Sahel Trasition zone from semi-desert to desert; area south of the Sahara
Savanna Area of rolling grasslands and scattered trees and shrubs
Rainforest Lush plant life; threatened by overpopulation
Sahara Largest desert in the world
Congo River Flows through west central Africa; surrounded by rainforest
Nile River World's longest river; provides irrigation to much of Egypt and neighboring countries
Niger River Important river in west Africa; part of it is known as the "Oil Delta"; supplies water to 5 West African nations
Lake Tanganyika Longest lake in the world; second deepest in the world; part of the Great Rift Valley
Lake Victoria Shallow body of water that is a major source of the Nile
Atlas Mountains Range in northwestern Africa separating the Sahara from the coastal region
Kalahari Desert Large arid to semi-arid sandy area in southern Africa
Oasis A small place where trees are able to grow and where people can live with grazing animals and a few crops
Nomad One who moves from place to place, usually by camel, looking for food or water
Caravan A group of travelers, usually riding on camels
Arid Dry; not enough water to support many plants or animals
Semi-Arid Region with little water resources; only a few types of trees and grasses can survive; almost a desert
Desertification The process of land becoming like a desert, due to deforestation and drought and overgrazing
Overgrazing Allowing herds of animals to eat in one area until the natural resources are depleted; cause of desertification
Deforestation The destruction of trees and other vegetation for the logging industry, farming, and fuel
Drought An extended period of time without rainfall
Subsistence Farming Growing food to provide for the sustenance of your own family
Irrigation Providing water for crops
Reservoir A man-made body of water that develops behind a dam
Hydroelectricity Electricity created by the force of flowing water
Delta Part of a river where the water empties into a larger body of water; the surrounding land is usually very fertile
Silt Rich topsoil, carried by floodwaters
Pollution People along the Nile face problems caused by the loss of valuable silt and ___ from fertilizers and human and industrial waste
Aswan High Dam Hydroelectric dam that traps valuable silt from traveling down the Nile River
Green Line Place where farmland ends and desert begins
Serengeti Plain Large savanna region in Kenya and Tanzania; a national park in the region protects the valuable wildlife
Great Rift Valley Area where tectonic plates are moving away from each other creating volcanoes and lakes that are sometimes deep or salty or hot
Blue Nile One of the major rivers that flows to form the Nile River; headwaters begin in the Ethiopian Highlands
White Nile One of the major rivers that flows to form the Nile River; headwaters begin in Lake Victoria
Created by: MrsRidley
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