Rivers
The wide part of the river near the sea is called an estuary.

Rivers

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Rivers are natural streams of water. They are formed by the movement of water from high ground to lower ground and then usually to the sea. The place where a river begins is called its source. Rivers are constantly changing as they flow over lands and have many different features. They can change shape as they erode the ground at their banks. When rivers eventually meet the sea they may form 'D' shaped masses of channels called deltas.. Small rivers are also called streams, creeks and brooks.

Click on the pictures to make them larger.
1.
Where a river deposits sediment faster than the sea can remove it what feature forms?
Valley
Delta
Mountain
Channel
Deltas are named after the Greek letter delta, which is the shape of a triangle
2.
Where is the source of a river?
Near the sea
Mud flats
Lakes
High ground
Rivers often have their sources in mountains or hills
3.
The wide part of the river near the sea is called what?
Tributary
Valley
Channel
Estuary
The Humber and the Thames are both famous estuaries in Britain. The picture is a view of the Humber Estuary taken from the International Space Station
4.
What name is given to the bottom of the river?
Delta
Bank
Bed
Channel
The river bed is made up of rocks, mud, sand or pebbles
5.
When a river carries rocks and soils it is known as what?
Deposition
Erosion
Transportation
Flooding
Transportation is part of the process that changes the shape of the river over time
6.
What are smaller rivers flowing into another river called?
Tribulations
Estuaries
Deltas
Tributaries
A tributary is a stream or river that flows into another river rather than into the sea
7.
What is deposition?
River deposits rocks and soils as it flows
River carries rocks and soils as it flows
River removes rocks and soils as it flows
River dries up
When a river slows down near its end the materials it has been carrying are often deposited
8.
What are the sides of the river called?
Delta
Banks
Bed
Channel
River banks can be eroded by the water in the river over time
9.
What is erosion?
River deposits rocks and soils as it flows
River carries rocks and soils as it flows
River removes rocks and soils as it flows
River dries up
Erosion can occur both on the banks and bed of the river
10.
In which part of the river does water flow the fastest?
Upper course
Middle course
Lower course
Estuary
The upper course is on steeper ground so it flows fater
Author:  Amanda Swift

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