Grade 12 Nuclear Energy Worksheet
This worksheet covers key concepts in nuclear energy, including fission, fusion, reactor components, and safety.
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Grade 12 Nuclear Energy Worksheet
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Read each question carefully and answer to the best of your ability. Show all calculations where necessary.
1. Which of the following best describes nuclear fission?
The combining of two light nuclei to form a heavier nucleus.
The splitting of a heavy nucleus into two or more lighter nuclei.
The emission of alpha particles from an unstable nucleus.
The decay of a radioactive isotope over time.
2. What is the primary function of control rods in a nuclear reactor?
To generate electricity.
To moderate neutron speed.
To absorb excess neutrons and regulate the chain reaction.
To cool the reactor core.
3. Nuclear fusion is the process by which two light atomic nuclei to form a heavier nucleus, releasing a tremendous amount of energy.
4. The critical mass is the smallest amount of fissile material needed for a sustained nuclear reaction.
5. Explain the difference between nuclear fission and nuclear fusion, including an example of where each process occurs naturally or is utilized.
6. Analyze the provided diagram of a nuclear power plant and identify three key components, describing their function in energy generation.
Component 1:
Function:
Component 2:
Function:
Component 3:
Function:
7. Nuclear waste from fission reactors remains radioactive for hundreds of thousands of years.
True
False
8. All nuclear reactors use uranium as their fuel source.
True
False
9. Discuss the advantages and disadvantages of nuclear energy as a power source, considering environmental impact, safety, and resource availability.