Nuclear Fission and Nuclear Fusion Answers
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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.2
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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
Which best describes what forms in nuclear fusion?
A
two smaller, more stable nucleiB
two larger, less stable nucleiC
one smaller, less stable nucleusD
one larger, more stable nucleus4
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.5
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 energy6
Which type of reaction does this diagram represent?
A
nuclear fusion because nuclei combine to form a heavy nucleusB
nuclear fission because an atom is splitting into two large fragments of comparable massC
nuclear fusion because a large amount of energy is being releasedD
nuclear fission because the resulting products are not radioactive7
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
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 research9
Which equation demonstrates that nuclear fusion forms elements that are heavier than helium?
A
mc019-1.jpg
B
mc019-2.jpg
C
mc019-3.jpg
D
mc019-4.jpg
10
Which equation represents a fission reaction?
A
mc009-1.jpg
B
mc009-2.jpg
C
mc009-3.jpg
D
mc009-4.jpg
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