Nuclear Fission and Nuclear Fusion Answers
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Why is it important for scientists to replicate each other’s experiments?
A
to determine if important scientific results are repeatableB
to help the research of other scientistsC
to determine if slight alterations in the experiment can affect the resultD
to further their own research2
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Which statement is true about nuclear fusion?
A
It is caused by the same process that causes nuclear fission.B
It does not occur naturally in the solar system.C
It has very low activation energy.D
It produces nearly all the elements that are heavier than helium.3
How does critical mass play a role in nuclear reactions?
A
It is the minimum amount of material needed to start a fission reaction.B
It is the minimum amount of material needed to start a fusion reaction.C
It is the minimum amount of material needed to sustain a fission reaction.D
It is the minimum amount of material needed to sustain a fusion reaction.4
Which element is nuclear fusion least likely to produce?
A
hydrogen, which has an approximate mass of 1B
chlorine, which has an approximate mass of 35C
argon, which has an approximate mass of 39D
silicon, which has an approximate mass of 285
According to most scientists, cold fusion
A
will not be a practical source of energy on Earth.B
would be a practical source of energy on Earth if it were less expensive.C
will be a practical source of energy on Earth within the next few decades.D
will always continue to be a practical source of energy on Earth.6
Which best describes nuclear fission?
A
A nucleus spontaneously splits and absorbs energy.B
Two nuclei spontaneously combine and absorb energy.C
A nucleus collides with a neutron and splits, releasing energy.D
Nuclei combine to form a heavier nucleus, releasing energy.7
Both nuclear fusion and nuclear fission reactions
A
release radioactive waste.B
involve the splitting of atoms.C
are utilized in nuclear power plants.D
release large amounts of energy.8
Which equation represents a fission reaction?
A
Option
B
Option
C
Option
D
Option
9
Which is a characteristic of nuclear fusion?
A
produces radioactive wasteB
involves the collision of two nucleiC
commonly used by humans as an energy sourceD
requires very little activation energy10
Which statement is true about this reaction?
A
It is a practical source of energy on Earth.B
It occurs only outside the solar system.C
Its product is heavier than each of its reactants.D
It shows the critical mass of an element.Did you find these answers helpful?
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