What is a River?

Rivers and their features are a major topic in GCSE Geography. This quiz answers the question of what exactly a river is and looks at some of the features found along the course of a river, such as their sources, meanders, rapids and estuaries.

All over the world you'll find cities and towns located on the banks of rivers. We settle on the flood plains and farm the rich fertile soil; we build our cities at the furthest points inland that a ship can reach; we rely on rivers for industry, transport and power worldwide. But these geographical features that run through our history, our cultures and our civilisations have a couple of stings in their tail - floods and, in the modern world, pollution. Science and geography are now combining to return rivers to their more natural, less lethal forms.

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Rivers are a key part of the water cycle. They drain the water from the land and carry it to the sea where it will be returned to the atmosphere by condensation to form rain clouds. They also form the key ecosystems for a variety of wildlife, both plants and animals. From their sources and the high oxygen environments of the rivers' upper stretches, including rapids and waterfalls, through to the slower environments of oxbow lakes, slow moving rivers and the brackish environment of the estuaries at the rivers' mouths.

Our land is shaped by rivers, carving down into solid rock and transporting sediments to the sea where they may be deposited as levees, sandbars, beaches and other forms. Our floodplains are deposited by the same rivers that wear down mountains. Julius Caesar stated that in nowhere else but Britain did the sea hold such sway over the land, and rivers have just as much importance. We are an island shaped and defined by the rivers that divide up our country. Test your knowledge of rivers, from their sources to their estuaries, by taking this quiz.

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  1. In the Victorian era many rivers were culverted to hide the polluted waters and provide more land. What is a culvert?
    Culverts often started as a series of bridges over rivers. These were joined together and buildings built over them, until the river disappeared entirely
  2. The water cycle is also known as what?
    The water cycle, hydrological cycle or the H2O cycle, all mean the same. They all describe the never ending movement of water on, above and below the surface of the Earth, in rivers, clouds, oceans, lakes, organisms and groundwater
  3. Most cities in the world are located on the banks of a major river, such as London on the Thames, Paris on the Seine, and Nottingham on the Trent. Which of the following is not a reason for cities to be built on the banks of a major river?
    The Romans located most of their forts on rivers. This brought many advantages - they could use the river as a defensive structure, bring ships up and down for transport, ford or bridge the river at that point and farm the fertile land there. But one disadvantage was that the forts and cities were often flooded
  4. In the 1860s Dr. Livingston was almost lost in Africa searching for the source of the River Nile. Why are river sources so difficult to find?
    Drainage basins can be huge, especially on rivers like the Nile and Amazon. Finding which of the tributaries is the source can be difficult
  5. What is a freshwater river?
    Rivers move from the mountains to the sea. Freshwater has less salt dissolved in it than sea water
  6. In physical geography how is the watershed defined?
    Think of the watershed as being the line where if you poured water onto the ground it could go one way or another
  7. Tributaries and distributaries both carry water, but what is the key difference between these two types of channel and how they are defined?
    When you're learning new words, try and think what the words mean. A tribute is when you give something to someone, and if you distribute something you are taking it away and giving it out in smaller amounts
  8. At its end the River Nile has numerous channels carrying water away from the main channel. What is the name given to this type of estuary?
    The Nile and Mississippi are both famous examples of this type of estuary
  9. Rivers are surrounded by their drainage basins. What is a drainage basin?
    A river system is contained entirely within it's drainage basin
  10. River discharge is the amount of water flowing through a river channel. How is river discharge measured?
    Rivers discharge a large amount of liquid every second, so the measurement has to be of a large enough scale to cope with that

Author: Ruth M

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