What is the place where a river begins called?
The source
What is the place where a river meets an ocean, sea or lake called?
The mouth
If a river flows into another river, what is it called?
A tributary
What is the ground under the water of the river called?
The riverbed
What is the ammount of water in a river called?
The flow
In which stage of a river does water flow the fastest?
The upper course
In which stage of a river does water flow the slowest?
The lower course
In which stage of a river does it form curved areas called ´meanders´?
The middle course
What is the word for the largest body of salt water?
An ocean
What are the names of the 5 oceans?
Pacific, Indian, Atlanctic, Arctic and Southern
What is the name for a large body of salt water smaller than an ocean?
A sea
What is the name for a large inland body of water?
A lake
Give an example of a lake which contains salt water
Lake Elton in Russia
What is the name for a moving stream of fresh water, usually formed in the mountains?
A river
What is the longest river in the world?
The Nile
What percentage of the Earths surface is made up of water?
70%
