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please answer each question including Multiple choices, calculation, and energy conversions. if you are not sure correct or not, you can bold the question and answer.
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In photosynthesis, light drives the formation of _________ from ___________ and
water.
sugar, carbon dioxide
sugar, oxygen
carbon dioxide. sugar
oxygen, sugar
If the wind speed driving a wind turbine drops to half its initial value (e.g. from 30
to 15 mph) what is the new wind turbine power output relative to its initial
output?
It increases by a factor of 4.
It is not impacted by the change in wind speed.
It increases by a factor of 2.
It decreases by a factor of 4.
It decreases by a factor of 2.
The atom is __________.
the structure of matter that is defined by the number of electrons is contains
the smallest unit of matter that retains the chemical properties of an element
the smallest unit of matter; it is indivisible
a grouping of neutrons
Solar energy is quite compatible for a major part of the United States because our
major energy needs are for _________ energy.
potential
mechanical
thermal
kinetic
electrical
Why can a nuclear reaction be self-sustaining?
Each reaction consumes exactly one neutron, which initiates more than one additional
reaction.
Each reaction consumes enough neutrons to initiate more than one additional reaction.
Each reaction produces enough neutrons to initiate more than one additional reaction.
Each reaction produces exactly one neutron, which initiates more than one additional
reaction.
Which of the following type of water-based power receives most of its energy
from the moon?
All of these
None of these
Wave
Tidal
Hydroelectric
Which of the statements of the first law of thermodynamics is most correct?
Energy can be created in energy conversion processes.
Total energy is conserved, even during conversion from one type to another.
During energy conversion processes the total energy decreases.
Energy can be created but not destroyed.
The Three Mile Island nuclear accident in Pennsylvania in 1979 was caused by
__________.
loss of reactor cooling due to an earthquake and tsunami
flawed reactor design using graphite moderator
equipment malfunction leading to a loss of cooling to the reactor
lack of a safety culture in the plant's operations
True or False: The wavelength of high-energy light is longer than it is for lowenergy light.
True
False
Disposal of high level radioactive waste is the United States is currently done by
___________.
storage in deep seabed sediments
storage at present nuclear power plant sites
chemical neutralization
storage in volcanic rock
storage in abandoned coal mines
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