(Chapter 7) Water Pollution

(pg 167) WotF shows an important use of water?

• Plants need water to make food

• Blood needs water to help transport substances in our body

• We can dump our rubbish into a water reservoir

• We need water to cook and drink

(pg 169) What is the Four National Taps?

• NEWater

• Desalinated Water

• Local Catchment

• Imported Water

(pg 169) WotF is FALSE about NEWater?

• It is water that we reuse

• It is water that is recycled

• It is used mainly for industrial purposes

• It is made from used water

(pg 169) WotF about desalination water is TRUE?

• It is obtained using the process of evaporation to dryness.

• It is a process of removing bacteria from seawater

• Desalination is a cheap and economical process

• The water is safe for consumption

(pg 170) WotF is the correct process for recycling NEWater?

a. Balance the pH

b. Reverse Osmosis

c. Microfiltration

d. UV Light Treatment

• a, b, c, d

• b, c, d, a

• c, b, d, a

• d, b, a, c

(pg 172) WotF describe water pollution?

• It is the contamination of water sources

• It is usually the result of human activities

• It could be a result of natural disaster

• Pollutants dissolve in water and are carried into the water bodies