AnswersWA-Physical Science BLab: Newton's Laws of Motion

Nuclear Energy Answers

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1
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Which process occurs in a fission nuclear reactor?

A
Nuclei combine.
B
Nuclei split apart.
C
Neutrons combine.
D
Neutrons split apart.
2
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Which statement describes the function of control rods?

A
They release neutrons during fission reactions.
B
They undergo nuclear fission reactions.
C
They control the rate of reactions.
D
They directly convert water to steam.
3

Which disadvantage of nuclear power use poses the greatest threat to the environment?

A
the emission of greenhouse gases
B
the proliferation of nuclear materials
C
the storage and management of radioactive wastes
D
the high cost of building facilities
4

Which statement about the waste materials from nuclear power plants is true?

A
The waste gives off bursts of radiation over a short time.
B
The waste produces small amounts of greenhouse gases for a long time.
C
The waste emits harmful radiation for a long time.
D
The waste generates a large amount of carbon dioxide over a short time.
5

Consider the following statistic.As of January 2009, the USA has produced 60,000 metric tons of nuclear waste in 60 years of operating 104 nuclear power plants.On average, how much waste is produced by each plant on a monthly basis?

A
0.8 tons per month
B
83.3 tons per month
C
104 tons per month
D
866.3 tons per month
6

Which component within a nuclear reactor directs neutron bombardment?

A
turbine
B
generator
C
control rod
D
chain reaction
7

What change of energy occurs between the steam generator and the turbine?

A
Chemical energy is converted into nuclear energy.
B
Nuclear energy is converted into thermal energy.
C
Thermal energy is converted into mechanical energy.
D
Mechanical energy is converted into electrical energy.
8

The following graph compares the greenhouse gas emissions from different forms of electricity production.Which conclusion is supported by the information in the graph?

Question illustration
A
Nuclear power releases less greenhouse gases than other forms of power.
B
Nuclear power releases an average amount of greenhouse gases.
C
Nuclear power releases no greenhouse gases.
D
Nuclear power releases more greenhouse gases than other forms of power.
9

A benefit of using nuclear energy could be the abundance of uranium in nature. Which human risk about mining is the most important to consider?

A
the use of a nonrenewable resource
B
the location of storage of the radioactive waste
C
the cost of setting up a uranium mine operation
D
the health hazards that are associated with uranium mining
10

Which statement is true?

A
Nuclear power plants require more fuel than conventional power plants.
B
There is a short supply of high quality uranium.
C
Nuclear power plants are inefficient.
D
It is difficult to responsibly dispose of nuclear waste products.

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