AnswersTX-Physics CRLab: Circuit Design

Fission and Fusion Answers

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Gazala makes a graphic organizer to compare nuclear fission and nuclear fusion.

Question illustration
A
X: Provides household electricityY: Has rods containing uranium
B
X: Provides household electricityY: Requires high temperature and pressure
C
X: Converts mass into energyY: Does not produce usable amounts of energy
D
X: Converts mass into energyY: Is controlled by neutron absorption
2
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What is the energy equivalent of an object with a mass of 2.5 kg?

A
5.5 × 108 J
B
7.5 × 108 J
C
3.6 × 1016 J
D
2.25 × 1017 J
3

Which statement correctly describes mass-energy equivalence?

A
All energy in the universe will be converted to an equivalent amount of mass.
B
Mass can decrease in nuclear changes without the production of energy.
C
All energy in the universe is a result of mass being converted into energy.
D
A large amount of mass is equivalent to a small amount of energy.
4

What are the starting materials for nuclear fission?

A
two small nuclei
B
two large nuclei
C
a neutron and a large nucleus
D
a neutron and a small nucleus
5

Which is a product of nuclear fusion?

A
a nucleus that has a greater mass number than the starting materials
B
two nuclei that are roughly half the mass of the starting materials
C
a nucleus that has the same atomic number as the starting materials
D
two nuclei that have greater atomic numbers than the starting materials
6

The diagram shows a model of a nuclear change.

Question illustration
A
nuclear fission, because nuclei combine
B
nuclear fission, because a nucleus breaks apart
C
nuclear fusion, because nuclei combine
D
nuclear fusion, because a nucleus breaks apart
7

Which are associated with nuclear fission but are not associated with nuclear fusion? Select three options.

A
neutrons striking nuclei
B
two small nuclei joining together
C
the release of large amounts of energy
D
a single large nucleus breaking apart
E
two small nuclei forming
8

Which are advantages of using nuclear reactors to generate electricity? Select 3 options.

A
Nuclear power produces no hazardous byproducts.
B
Nuclear power has a high output.
C
Nuclear power uses nonharmful fuel.
D
Nuclear power is readily available.
E
Nuclear power produces relatively low carbon dioxide emissions.
9

What is the energy equivalent of an object with a mass of 1.05 g?

A
3.15 × 105 J
B
3.15 × 108 J
C
9.45 × 1013 J
D
9.45 × 1016 J
10

The starting materials in a nuclear change have a total mass of 2.3465 × 10–27 kg. After the change, the resulting materials have a mass of 2.3148 × 10–27 kg.How much energy was released during the change?

A
2.85 × 10–12 J
B
2.08 × 10–10 J
C
2.11 × 10–10 J
D
8.56 × 10–4 J

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