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Energy Unit Review
Energy Unit Review
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1
In the process of coal formation, the first form of coal is called
bituminous coal
lignite
anthracite coal
Peat
2
Old fashioned windmills are not aerogenerators because
they are so cumbersome
they do not generate electricity
they are used to pump water
they produce too little energy
3
Which characteristic is evidence of the existence of geothermal energy?
few mountains
long winters
volcanic activity
presence of glaciers
4
Atoms that emit particles and energy from their nuclei are called
stable
contaminated
radioactive
heavy
5
The most serious environmental damage that may result from our use of fossil fuels is
deforestation
permanent degradation of the California coast
increased amounts of solid wastes
global warming
6
Substances that absorb light convert it to
mass
color
electric energy
thermal energy
7
A device that produces electricity from solar energy is called
A collector plate
a solar battery
An active heating system
a photovoltaic cell
8
Electricity does not commonly occur in nature except in the form of
Lightning
Thunder
Photosynthesis
Hydrocarbons
9
Nuclear fission reactions involve
splitting of atoms
joining of atoms
joining of protons and neutrons
release of electrons
10
Coal formation is largely the result of
magma
humidity
sedimentation
climate
11
Exposure to even small amounts of radiation may cause
athsma
emphysema
hearing loss
DNA changes
12
A uranium atom can have an atomic mass of 235 or 238. These two forms of uranium are
stable
different isotopes
negatively charged
different elements
13
Light energy from the sun is converted by plants into
leaves
electricity
chemical energy
mechanical energy
14
Fuel that is formed from burning recently living, organic products is
toxic
derived from coal
nonrenewable
biomass fuel
15
Which of the following is true of passive solar heating systems
They do not work in glass houses
they generate electricity
They do not produce electricity
their heat cannot be stored
16
Geothermal energy works best in regions where
magma is near earth's surface
underground heat is vented
the population is low
hydrogen sulfide is produced
17
The nucleus of an atom consists of protons and
isotopes
helium
electrons
neutrons
18
Processing organic matter into fuel is called
fermentation
biomass
gasohol
bioconversion
19
Natural gas captured from animal droppings and used for fuel is called
propane
methane
octane
ethane
20
The sun is the driving force behind all the following kinds of energy except
solar energy
hydroelectric energy
wind energy
nuclear energy
21
The fuel formed in breeder reactors is
liquid sodium
uranium-235
uranium-238
plutonium-239
22
One drawback of solar energy is that it is not always
warm enough
clean
energy efficient
cost-effective
23
Both active and passive solar heating systems
only work during the daytime
must face south
use pumps and fans
reduce the need to use fossil fuels
24
Which of the following is regulated as a consequence of dam building?
shoreline erosion
fish mortality in turbines
uncontrolled flooding
altered plant and animal life around streams
25
One drawback of wind energy is that
spinning vanes are dangerous
wind is not constant
Windmills are too lightweight
the energy cannot be stored
26
The laws of physics state that energy
cannot be destroyed
originates from heat
can be created
is electrical
27
Which of the following is a liquid fossil fuel?
petroleum
coal slurry
peat
shale
28
When atoms are split, energy is realeased from which part of the atom?
nucleus
electrons
isotopes
the radioactive part
29
The first stage in coal formation is called
peat
anthracite coal
lignite
hard coal
30
Which of the followingis true regarding the energy that fuels life on Earth?
It is prinarily chemical
It is mechanical
It comes from steam
It comes from the sun