How were landforms in Africa formed? • Great Rift Valley – A huge crack in the earth’s surface caused by the shifting of tectonic plates. • Volcanoes and Earthquakes also helped to create its appearance.
How were landforms in Africa formed? • Most of this continent’s lakes were huge basins formed by the uplifting of the land. • Lake Victoria – Largest lake in Africa, second largest in the world. Source of the Nile River. • Lake Chad – A dying lake, An arid climate makes most of the water evaporate.
Victoria Falls • Located between Zambia and Zimbabwe. • The longest waterfall in the world. • Is among the most unusual in form and very diverse in wildlife.
Lake Volta • One of the largest human – made lakes in the world. • Provides hydroelectric power, irrigation for farmland, and an abundance of fish.
Rivers • Niger River – The main river in Western Africa, extends 2,600 miles. • Provides transportation and irrigation. • This river actually splits into an inland delta.
Rivers • Zambezi River – Located in south central Africa, flows 2,200 miles. • Also meets the ocean in a delta. • Interrupted by many waterfalls.
Nile River • Longest river in the world. • It flows North. • It actually starts at Lake Victoria.
Rivers • Congo River – Reaches the sea through an estuary. • Is 2,900 miles long. • Has the largest network of navigable waterways in Africa.
Cape of Good Hope • Established a sea route to India and the East.
Mt. Kilimanjaro The highest peak in Africa.
Sahara • During the last ice age the Sahara was bigger than it is today. • Monsoons came to the north and counteracted the drying to the south. • The monsoons then retreated south causing desertification. • It is about the same size at it was 13,000 years ago.
Sahel • A semi-arid tropical savanna ecoregion in Africa. • It forms the transition between the Sahara in the north and the Sudanian Savanna to the south. • It used to be part of the Sahara desert 12,000 years ago.