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WorksheetsCH 24 Earth Science Putman
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
A mining process in which rock is stripped away to expose mineral deposits near the surface is
a)
subsurface mining.
b)
surface mining.
c)
undersea mining.
d)
placer mining.
2.
Scientists hope to build a nuclear fusion reactor fueled by
a)
ocean water.
b)
natural gas.
c)
fuel rods
d)
Oil
3.
The most abundant fossil fuel in the world is
a)
natural gas
b)
Coal
c)
oil
d)
fish
4.
The energy source in which a dam plays a key role is
a)
geothermal
b)
hydroelectric
c)
wave technology
d)
photo voltaic
5.
Metallic minerals, such as gold and silver, that can exist in Earth’s crust as nuggets of pure metal are called
a)
ore
b)
placier
c)
natural elements
d)
native elements
6.
A catalytic converter is a device that
a)
conserves fossil fuels
b)
lessens soil erosion.
c)
prevents coal mine fires.
d)
reduces air pollution.
7.
A cause of sinkholes is
a)
surface mining
b)
placer mining
c)
undersea mining
d)
subsurface mining
8.
Scientists predict that worldwide coal reserves will last
a)
20 years
b)
200 years
c)
2000 years
d)
Always
9.
Rare, nonmetallic minerals with extraordinary brilliance and color are also known as
a)
coal
b)
rock
c)
gemstones
d)
minerals
10.
How is the energy that reaches Earth from the sun produced?
a)
nuclear fusion
b)
participant intelligence
c)
nuclear fission
d)
power plants
11.
A process that reduces the amount of damage mining does to ecosystems is
a)
recycling.
b)
Reclamation
c)
nuclear fusion.
d)
subsurface mining.
12.
A heating system that uses solar collectors is a(n)
a)
geothermal power plant
b)
active system
c)
passive system.
d)
photovoltaic cell
13.
A fossil fuel formed by the remains of prehistoric organisms in shallow oceans and lakes is
a)
biomass
b)
coal
c)
petroleum
d)
natural gas
14.
An energy source that heats fuel rods to create steam for electric generators is
a)
nuclear fission.
b)
nuclear fussion
c)
geothermal
d)
hydroelectric
15.
Fossil fuels consist mainly of
a)
sulfur dioxide
b)
mafic
c)
gypsum
d)
Hydrocarbons
16.
Nodules are recovered during
a)
strip mining
b)
undersea mining
c)
placer mining
d)
oil drilling
17.
Petroleum and natural gas are most often mined from
a)
oil shale
b)
permeable sedimentary rock.
c)
peat deposits
18.
What is used in an active solar system that is not used in a passive system?
a)
a photovoltaic cell
b)
oil shale
c)
a solar collector
d)
wind mill
19.
A mineral deposit consisting of many veins within a rock formation is a(n)
a)
placer deposit.
b)
Lode.
c)
Gemstone
d)
vein
20.
A well that is drilled to reach hot water heated by magma is harnessing
a)
hydroelectric
b)
wind power
c)
water power
d)
geothermal
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