WorksheetsCh. 14 Natural Resources
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Waste soil and rock removed during surface mining is called
a)
ganguet
b)
spoil
c)
tailings
d)
smelt
2.
Which of the following would most likely be used to mine coal on hilly terrain?
a)
open-pit mining
b)
mountain top removal
c)
contour mining
d)
strip mining
3.
Many of the millions of miners that have moved into tropical forests and other tropical regions looking for gold use the very destructive technique known as
a)
acid leaching
b)
hydraulic mining
c)
mountain-top removal
d)
contour strip mining
4.
Which of the following is associated more with surface mining than subsurface mining?
a)
It is more dangerous. .
b)
It is more expensive.
c)
It produces less waste material.
d)
It disturbs more land.
5.
Which of the following does mining not cause?
a)
forest fires
b)
water pollution
c)
toxic chemical emissions
d)
subsidence
6.
The portion of ore that does not contain the desired mineral is called
a)
spoil
b)
gangue
c)
tailings
d)
smelt
7.
Depletion time is the time it takes to use up approximately ____% of the mineral reserves at a given rate of use.
a)
50
b)
60
c)
70
d)
80
8.
If consumers paid the full market cost of mineral extraction and processing, all of the following would occur, except
a)
Economies would collapse.
b)
c. Recycling would increase dramatically
c)
Minerals would be replaced with less harmful substitutes.
d)
Reuse would increase
9.
An important goal for a sustainable society is to make manufacturing processes cleaner and more sustainable by having them mimic how nature deals with waste. This is called
a)
sustainable biology
b)
common sense
c)
nature rules
d)
biomimicry
10.
Identified resources from which the mineral can be extracted profitably at current prices are called
a)
ore
b)
reserves
c)
mineral deposits
d)
safety supply
100 %
