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Zambezi River

Zambezi RiverThe Zambezi <<zam BEE zee>> River is the fourth longest river in Africa. Only the Nile, Congo, and Niger rivers are longer. The Zambezi rises in Zambia, near the border between Angola and the Democratic Republic of the Congo. The river follows a winding 1,700-mile (2,736-kilometer) course, separating Zambia from Zimbabwe and crossing Mozambique to empty into the Mozambique Channel. The upper course of the river is fed by heavy rains that fall from October to March. The Zambezi plunges over the mighty Victoria Falls in southern Africa. The first European to explore the Zambezi River was David Livingstone. He explored the river in the 1850’s and 1860’s.... Read More

Yukon River

Yukon RiverThe Yukon River is one of the longest rivers in North America. It begins in Canada, in a series of small lakes in far northwestern British Columbia. Then it flows westward across Canada’s Yukon and across Alaska in the United States, where it empties into the Bering Sea. The river’s total length is 1,979 miles (3,185 kilometers).... Read More

Yangtze River

Yangtze RiverThe Yangtze <<yahng dzuh>> River is the longest and most important river in China. It is also the world’s third longest river. Only the Nile River of Egypt and the Amazon River of South America are longer.... Read More


WetlandA wetland is a place where there is usually water near or above the surface of the ground. Wetlands are found throughout the world. Many kinds of plants and animals live in them.... Read More

Volga River

Volga RiverThe Volga <<VAHL guh or VOHL guh>> River is the longest river in Europe. It flows 2,300 miles (3,700 kilometers) through western Russia. The Volga begins in the Valdai Hills, about 200 miles (320 kilometers) southeast of St. Petersburg. It then flows southward to the Caspian Sea.... Read More

Tigris River

Tigris RiverThe Tigris <<TY grihs>> River is a major river of southwestern Asia. It forms part of the Tigris-Euphrates river system. The Tigris begins in a mountainous area in eastern Turkey. It flows southeast to the border between Turkey and Syria. It then flows into Iraq and winds its way through the country. At the town of Al Qurnah, Iraq, the Tigris River joins the Euphrates River to form a river called the Shatt al Arab. The Shatt al Arab flows into the Persian Gulf.... Read More

Thames River

Thames RiverThe River Thames <<tehmz>> is the most famous and most important river in England. It is also one of the longest rivers in England. The river is about 210 miles (340 kilometers) long. The Thames flows from south-central England to southeastern England, where it empties into the North Sea. The river measures about 5 miles (8 kilometers) wide at its mouth on the North Sea. Part of the Thames serves as a major English trade route.... Read More


SundarbansSundarbans, also spelled Sunderbans, is a swampy region in Southeast Asia. It is home to the world’s largest mangrove forest. In a mangrove forest, also called a mangrove swamp, the spreading roots of mangrove trees catch and hold soil.... Read More


SpringA spring is a place where water flows from the ground. Rain and melted snow seep into the ground. This water travels through soil and some rock. It eventually cannot settle any further. At this point, it becomes known as ground water. Ground water levels may rise until they reach the surface. Where the water reaches the surface, a spring forms.... Read More

Snake River

Snake RiverThe Snake River is the chief branch of the Columbia River. The Snake River rises in Wyoming near the Continental Divide in Yellowstone National Park. The river then flows south through Grand Teton National Park. It bends west and flows across the Snake River Plains of southern Idaho.... Read More