Water issues

Question 1

Water crisis

Answer 1

The uneven distribution of water to people due to power and money

Question 2

Hydrologic cycle

Answer 2

The circulation (movement to and from) of water around Earth’s atmosphere

Question 3

Rainfall runoff

Answer 3

An excess of water flowing on the ground

Question 4

Model

Answer 4

A physical representation of an object to show how it works/looks like

Question 5

Pure water

Answer 5

Water with all its impurities removed

Question 6

Arsenicosis

Answer 6

An illness which occurs when high levels of arsenic enter the body over a long period of time. Arsenic is found in drinking water.

Question 7

Virtual water

Answer 7

The volume (a measure of the amount of space occupied by substances) of water used in production

Question 8

How is virtual water used?

Answer 8

Virtual water is used by different countries to trade water-intensive and non-water intensive goods.

Question 9

Difference between Green, Blue and Grey water

Answer 9

Green water - volume of rainwater evaporated
Blue water - volume of surface or ground water extracted
Grey water - Household water

Question 10

Main contaminants in stormwater

Answer 10

Sediments, metals and pathogens