Answers2025-2026_MDCPS_2001310_EarthSpace Science_Sem 1Fission and Fusion

Fission and Fusion Answers

2 verified answers2 views
1
Free Preview

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
2
Free Preview

Which are associated with nuclear fission but are not associated with nuclear fusion? Select three options. neutrons striking nucleitwo small nuclei joining togetherthe release of large amounts of energya single large nucleus breaking aparttwo small nuclei forming

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
3

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
4

Which statement describes why energy is released in a nuclear fusion reaction based on mass-energy equivalence?

A
For large nuclei, the mass of the original nucleus is greater than the mass of the products.
B
For large nuclei, the mass of the original nucleus is less than the mass of the products.
C
For small nuclei, the binding energy of the lighter nuclei is greater than the binding energy of the heavier nucleus.
D
For small nuclei, the binding energy of the lighter nuclei is less than the binding energy of the heavier nucleus.
5

The nuclear equation is incomplete.

Question illustration
A
Superscript 12 Subscript 6 Baseline M g
Option A
B
Superscript 11 Subscript 5 Baseline B
Option B
C
Superscript 11 Subscript 5 Baseline N a
Option C
D
Superscript 12 Subscript 6 Baseline C
Option D
6

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
7

Which are advantages of using nuclear reactors to generate electricity? Select 3 options.Nuclear power produces no hazardous byproducts.Nuclear power has a high output.Nuclear power uses nonharmful fuel.Nuclear power is readily available.Nuclear power produces relatively low carbon dioxide emissions.

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.
8

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
9

Carla sees an equation that models a nuclear change.

Question illustration
A
nuclear fission, because the equation shows two hydrogen nuclei combining to form a helium nucleus
B
nuclear fission, because the equation shows a hydrogen nucleus breaking apart and releasing a neutron
C
nuclear fusion, because the equation shows two hydrogen nuclei combining to form a helium nucleus
D
nuclear fusion, because the equation shows a hydrogen nucleus breaking apart and releasing a neutron
10

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

Did you find these answers helpful?

More from this Course

Assignment
5 verified answers

Fission and Fusion

Assignment
4 verified answers

Assignment

Assignment
2 verified answers

Assignment

Fission and Fusion Answers —…