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WorksheetsCockermouth School AQA GCSE Using resources
Total questions: 23
Worksheet time: 14mins
Name
Class
Date
1.
River water is filtered then sterilised to make drinking water. Why is it filtered?
a)
kills bacteria
b)
removes solids
c)
removes dissolved salts
d)
adds chlorine
e)
removes germs
2.
River water is filtered then sterilised to make drinking water. Why is it sterilised?
a)
kills bacteria
b)
removes solids
c)
removes dissolved salts
d)
adds chlorine
e)
removes germs
3.
Why is distilling sea water to make drinking water expensive?
a)
uses a lot of chemicals
b)
it's slow
c)
needs expensive equipment
d)
takes lots of time
e)
takes a lot of energy
4.
How is distilled water different to sea water?
a)
it's a mixture
b)
it's a formulation
c)
it boils at 100 degrees C
d)
it freezes over a range of temperatures
e)
it is more salty
5.
Which of these methods is not used for sterilising water?
a)
UV
b)
chlorine
c)
ozone
d)
boiling
e)
filtering
6.
How does UV sterlise water?
a)
mutates DNA to stop replication
b)
produces chlorine
c)
gets rid of salt
d)
filters out solids
7.
What does LCA stand for?
a)
Live cycle assignment
b)
Life cycle assignment
c)
Life circle assessment
d)
Life cycle assessment
e)
Live cycle assessment
8.
What does a LCA assess?
a)
the carbon footprint
b)
the energy needed for a process
c)
the pollution
d)
the sustainability of a product
e)
the environmental impact of a product
9.
5.1 kg of plastic has a carbon footprint of 7.0 kg CO2. What is the carbon footprint of a 25g bottle?
a)
0.043
b)
0.034
c)
0.018
d)
34.3
e)
18.2
10.
Give one way that CO2 emissions can be reduced when manufacturing a plastic bottle?
a)
use recycled plastic
b)
recycle the bottle
c)
use thicker plastic
d)
burn it afterwards
e)
sell it locally
11.
Give a difference between pure and potable water?
a)
Pure water is suitable for drinking
b)
Potable water contains dissolves solids & chlorine
c)
Pure water contains dissolved solids & chlorine
d)
Potable water is not safe to drink
12.
The percentage by mass of dissoved solids in a 12g sample is 3.4%. What is the mass to 2sf?
a)
0.40g
b)
42g
c)
0.41g
d)
0.408g
e)
42.3g
13.
Give an advantage of recycling copper ore
a)
Increases greenhouse gases
b)
More jobs for miners
c)
Increases landfill
d)
Conserves copper ore
e)
Requires more energy
14.
Which is not a reason why biological methods are used to extract metals?
a)
Cheaper
b)
Ores are becoming scarce
c)
Low grade ore can be used
d)
Mining not required
e)
Produces less greenhouse gases
15.
Which of these is a reason for using paper bags over plastic?
a)
Stronger
b)
Stretchier
c)
Renewable resource
d)
Non-recyclable
e)
Non-biodegradable
16.
Which of these is a way of conserving limited resources?
a)
Reverse
b)
Release
c)
Reverse
d)
Reuse
e)
Repair
17.
Which of these do bioleaching and phytomining have in common?
a)
Done by bacteria
b)
Done by plants
c)
Involves burning
d)
Slow process
e)
Done on contaminated land
18.
Which is a method of water treatment?
a)
Anaerobic digestion
b)
Cracking
c)
Electrolysis
d)
Phytomining
e)
Desalination
19.
Using plants to extract metals is called….
a)
phytomining
b)
photosynthesis
c)
polymerisation
d)
bioleaching
e)
bioaccumulation
20.
Using bacteria to extract metals is called….
a)
phytomining
b)
photosynthesis
c)
polymerisation
d)
bioleaching
e)
bioaccumulation
21.
Which of these is the best thing to do with a plastic bag?
a)
recycled
b)
burned
c)
reused
d)
dumped
e)
melted
22.
Which is not a reason why iron should be recycled?
a)
saves resources
b)
saves energy
c)
decreases waste
d)
decreases CO2 released
e)
quicker
23.
Name the method used for purifying copper
a)
electrolysis
b)
smelting
c)
extraction
d)
alloying
e)
phytomining
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