Water Flashcards
1
Q
Water in the sea and ocean
A
Sea water
2
Q
Water in underground streams and rocks
A
Ground water
3
Q
Water in underground streams and rocks, rivers, lakes, ice caps and glaciers
A
Fresh water
4
Q
Used water from homes, industry and agriculture
A
Waste water
5
Q
Water that is fit to drink
A
Potable water
6
Q
Water that is 100% water and contains nothing else
A
Pure water
7
Q
What does filtration do?
A
Removes solids and passes through filter beds(usually sand)
8
Q
What does sterilisation do?
A
Kills microbes
9
Q
How does sterilisation kill microbes?
A
By adding chlorine or treating with ozone or using UV light
