WorksheetsEARTH SCIENCE QUIZ#5
Total questions: 10
Worksheet time: 5mins
What is water quality?
It describes the condition of the water
It is the continuous movement of water on, above, and below the surface of the Earth
It is the property of containing salt
It is the total amount of suspended solids.
What is salinity?
The property of containing salt
The amount of suspended solids
Describes the condition of the water
Describes how acidic or basic water is
Why are too many nutrients (like nitrates and phosphates) bad for our waters?
Nutrients decrease the pH of the water, causing it to become increasingly acidic
Nutrients change the salinity of the water
Wetlands filter out runoff that may contain nutrients
Nutrients in the water cause too much algae growth, which decrease the level of oxygen in the water
Which glass contains water with high turbidity?
Glass 1
Glass 2
Which of these is not a cause of water pollution?
Chemical waste
Fertilisers
Burning fossil fuels
Discarded rubbish
Why does chemical waste need to be disposed of carefully?
It encourages excessive plant growth
It contains heavy metals which build up in the tissues of living organisms.
It is not biodegradable
It depletes the oxygen levels in the water
Which is NOT caused by acid rain?
damage to statues
dying fish
spread of disease
weakened trees
