Bed — The bed is the bottom of a river. A riverbed can be made of sand, rocks or mud depending on the river. Canal — A man-made waterway that is used so that boats can transport goods across bits of the country where there are no rivers they can use.
Current — The strength and speed of the river. Water always flows downhill; the steeper the ground is, the stronger the current will be. Delta — A wide muddy or sandy area where some rivers meet the sea. The river slows down and drops all the sediments it was carrying. Downstream — The direction that the water flows, downhill towards the sea Fresh water — Rainwater that falls from the sky has no salt in it.
We call this fresh water. Erosion — When a river flows fast it damages the riverbanks and washes bits of them downstream. This makes the river wider. Estuary — Where a river reaches the ocean and the river and ocean mix.
Estuaries are normally wide and flat. Floodplain — The flat area around a river that often gets flooded when the level of water in the river is high. Mouth — The end of a river where it flows into the sea, another river or a lake. Silt — Small bits of dirt or sand that are carried along by a river. Source — The start of a river is its source. This could be a spring on a hillside, a lake, or a bog or marsh. A river may have more than one source.
Stream — A small river Tidal river — At the end of a river, near the ocean, water from the sea flows up the river when the tide comes in. Tributary — A smaller river or stream that joins a big river is called a tributary. Upstream — The opposite direction to the way the water in a river flows Watershed — Water flows down the side of hills into rivers. But, water that lands on opposite sides of the same hill might flow into different rivers.
The watershed is the boundary between two river basins. Access thousands of brilliant resources to help your child be the best they can be. What is a river? Rivers carry rainwater from hills downhill to other rivers, lakes or the ocean. The start of a river is called the source and the end is called the mouth.
Many rivers and streams will join together before they reach the mouth of the river. The smaller rivers and streams are called tributaries. A fast flowing river will carry soil and dirt from its banks and bed downstream and drop them when it gets wider and slows down. When there is too much water in a river it floods and covers the area around it water. Sometimes this water is a deep as person or a house is tall.
Floods cause a lot of damage but they also deposit nutrients from the water on the flooded land. This makes land that floods good for farming on. Rivers can be difficult and dangerous to cross. Towns often grow up where there are bridges or safe places to walk across. The longest river in the world is the Nile in Africa.
It is 4, miles long. The longest rivers in Britain are the Severn miles long and the Thames miles long. The river that carries the most water in the world is the Amazon in South America. The Amazon carries , cubic metres of water into the sea every second. Water always flows downhill. When rain falls, it runs down the sides of hills into rivers in the bottom of the valleys between the hills. Rain and rivers are part of the water cycle.
When it rains some of the water is absorbed into the soil and helps plants to grow, some of the water sinks deep into the ground and some of it flows into rivers and down to the sea. The end of a river is called the mouth. Some rivers flow into the sea but other rivers flow into lakes or bigger rivers.
The start of a river is called the source. The source of a river is the furthest point on the river from its mouth. Many rivers are formed when rain flows down from hills but sometimes the source is a lake, sometimes it is a marsh or a bog and sometimes it is a spring where water comes up from the ground. When two rivers meet they will join together and form a single bigger river.
Before a big river reaches the sea, it will be joined by lots and lots of smaller rivers. We call these rivers its tributaries. As the river flows downstream, it gains more water from other streams, rivers, springs, added rainfall, and other water sources. Rivers flow in channels. The bottom of the channel is called the bed and the sides of the channel are called the banks. Where do rivers begin? Rivers begin at their source in higher ground such as mountains or hills, where rain water or melting snow collects and forms tiny streams.
When one stream meets another and they merge together, the smaller stream is known as a tributary. It takes many tributary streams to form a river. The great majority of rivers eventually flow into a larger body of water, like an ocean, sea, or large lake. The end of the river is called the mouth. Most settlements were built along major rivers. Rivers provide us with food, energy, recreation, transportation routes, and of course water for irrigation and for drinking.
Information and facts about rivers for children doing a project on rivers.
Nov 25, · I need to write a sentence to explain each of the following terms associated with rivers: Tributary, source,interlocking spurs,meander,flood plain and estuary can i get some help Status: Resolved.
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