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WorksheetsSummer School Physical Science - CH 10 - Section II Quiz
Total questions: 10
Worksheet time: 5mins
Unwanted radioactive products formed during nuclear reactions are called ___________.
nuclear waste
nuclear reactors
nuclear fuels
fossil fuels
The chain reaction in a nuclear reactor is controlled by inserting the __________.
boron or cadmium rods
uranium
core
heat exchanger
Which of the following is common to both nuclear fusion and nuclear fission?
The fuel must be in the plasma state
Matter is converted into energy
Temperatures over one million degrees Celsius are needed for the reaction to occur
A chain reaction is needed to start the reaction
Which of the following is a major problem with developing a fusion reactor?
maintaining very high temperatures
obtaining fuel
producing radioactive wastes
disposing of radioactive wastes
To control the reaction in a nuclear fission reactor, the neutrons are slowed by __________.
uranium
water
a heat exchanger
control rods
The part of a nuclear reactor in which the fuel is located is called the __________.
core
heat exchanger
control rod
turbine
In a nuclear reactor, electricity is produced from __________.
heavy hydrogen and helium
thermonuclear fusion
uranium-235 nuclei
controlled fusion chain reactions
Uranium is a fossil fuel
True
False
Both True and False
Neither True nor False
Uranium is non-renewable
True
False
Inbetween
Over
How much U.S. electricity is generated using Uranium?
5%
10%
15%
20%
