GCSE AQA USING RESOURCES QUESTIONS AND
ANSWERS A+ GRADED
What is a finite resource?
One that will eventually run out
What is a renewable resource?
One that can be replaced as it used.
Give an example of a finite resource.
Coal, Oil, Natural gas
Is wood a finite or renewable resource?
Renewable
What is potable water?
Water that is safe to drink.
What is pure water?
Water that contains ONLY water molecules and nothing else.
During the water treatment process, why is the water passed through filter beds?
To remove solids.
During the water treatment process, why is chlorine added?
To kill bacteria
During the water treatment process, why are ozone or UV light used?
To kill bacteria
Why is it expensive to distil large volumes of water?
There is a large energy cost involved with boiling large quantities of water.
What is desalination?
Converting salty (sea) water to potable water by removing the salt.
Name another method (apart from distillation) which can be used to desalinate
water
Reverse osmosis
Why might a country use desalination to obtain drinking water from sea water?
An oil rich country or an island with no other natural sources of water.
Where is waste water treated?
At a sewage works.
What does sewage treatment involve?
Removal of organic matter, chemicals and microorganisms.
What is ground water?
Water found in underground streams and rocks
What is the name given to water found in lakes, glaciers or underground
streams?
Fresh water
Where does waste water come from?
Industry, agriculture (farming) and homes
What is a 'copper rich' ore?
An ore (rock) containing lots of a copper compound.
What is smelting?
ANSWERS A+ GRADED
What is a finite resource?
One that will eventually run out
What is a renewable resource?
One that can be replaced as it used.
Give an example of a finite resource.
Coal, Oil, Natural gas
Is wood a finite or renewable resource?
Renewable
What is potable water?
Water that is safe to drink.
What is pure water?
Water that contains ONLY water molecules and nothing else.
During the water treatment process, why is the water passed through filter beds?
To remove solids.
During the water treatment process, why is chlorine added?
To kill bacteria
During the water treatment process, why are ozone or UV light used?
To kill bacteria
Why is it expensive to distil large volumes of water?
There is a large energy cost involved with boiling large quantities of water.
What is desalination?
Converting salty (sea) water to potable water by removing the salt.
Name another method (apart from distillation) which can be used to desalinate
water
Reverse osmosis
Why might a country use desalination to obtain drinking water from sea water?
An oil rich country or an island with no other natural sources of water.
Where is waste water treated?
At a sewage works.
What does sewage treatment involve?
Removal of organic matter, chemicals and microorganisms.
What is ground water?
Water found in underground streams and rocks
What is the name given to water found in lakes, glaciers or underground
streams?
Fresh water
Where does waste water come from?
Industry, agriculture (farming) and homes
What is a 'copper rich' ore?
An ore (rock) containing lots of a copper compound.
What is smelting?
