What percentage of the water in the world is fresh water? 3% 5% 7% 10%
Only 3%
What is the name for a large body of salt water smaller than an ocean?
A sea
How many litres of water does the average shower use? 15, 25, 35, or 45 litres?
35 litres
Why does the river flow faster in the upper course of a river than in the lower course?
Because the slopes of the mountain are steeper at the top.
On average, how many litres does a toilet flush use? 4, 6, 8, or 10 litres
8 litres
What is the name for a large inland body of water?
A lake
In which stage of a river does water flow the slowest?
The lower course
What is the place where a river begins called?
The source
What is the ground under the water of the river called?
The riverbed
If a river flows into another river, what is it called?
A tributary
Which is the shallowest ocean?
The Arctic ocean
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 place where a river meets an ocean, sea or lake called?
The mouth
How many litres of water does the average washing machine cycle use? 50, 60, 65, or 75 litres?
65 litres
What is the amount of water in a river called?
The flow
What's the longest river in the world?
The Nile
In which stage of a river does water flow the fastest?
The upper course
What is the name for a moving stream of fresh water, usually formed in the mountains?
A river
Which sea does the Nile flow towards?
The Mediterranean Sea
What percentage of the Earths surface is made up of water? 60% 70% 80%
70%
What are the curved areas formed in the middle course of a river?
Meanders
True or false? All seas are completely surrounded by land.
False, some seas are only partly surrounded.
Which bodies of water border Spain?
Cantabrian sea, Mediterranean sea, Atlantic Ocean, Gibraltar Strait.
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)
Which is the deepest ocean?
The Pacific ocean