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 amount 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 upper, middle or lower course?
The middle course
What is the word for the largest body of salt water?
An ocean
Can you name 3 of the world's 5 oceans?
Atlantic, Pacific, Indian, Arctic, and Southern (Antarctic)
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
What is the name for a moving stream of fresh water, usually formed in the mountains?
A river
What's the longest river in the world?
The Nile
What percentage of the Earths surface is made up of water? 60% 70% 80%
70%
What percentage of the water in the world is fresh water? 3% 5% 7% 10%
Only 3%
