Nuclear Fission Worksheet
1. Describe what happens to a nucleus during the nuclear fission process.
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2. How is a uranium-235 nucleus made to undergo fission?
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3. What is this process called?
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4. Describe what is meant by the term ‘chain reaction’
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5. What happens during an uncontrolled chain reaction?
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6. Give one peaceful use of nuclear fission.
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7. This is a diagram of a typical nuclear reactor.
(i)
Which part of the reactor is designed to control the rate of nuclear fission?
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(ii)
The moderator slows down the neutrons. Why do they need slowing
down?
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