Unit 3 - Using Earth's Resources - Lesson 2 - Water Flashcards
Name the Uses of Water
Industry
Agriculture
Swimming
Hydroelectricity
Energy
Domestic Use
How much water does the average person drink in a day?
150 litres
What is physical scarcity?
Where there isn’t enough water in a specific area to meet someone’s needs.
An example for physical scarcity would be…
The desert
What is economic scarcity?
Areas that are unable to afford water supplies.
When looking at the total amount of water across the globe, what percentage of it is fresh water?
3%
When looking at the total amount of water across the globe, what percentage of it is salt water?
97%
When looking at the total amount of freshwater on Earth, what percentage is groundwater?
30%
When looking at the total amount of freshwater on Earth, what percentage is surface water?
1%
When looking at the total amount of freshwater on Earth, what percentage is frozen in ice glaciers and caps?
69%
What percentage of freshwater on Earth can we use?
31%
What percentage of freshwater on Earth can we not use?
69%
