Chain Reactions (OCR GCSE Physics A (Gateway Science Suite)): Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
What can start a chain reaction in nuclear fission?
What can start a chain reaction in nuclear fission?
Neutrons
What property do neutrons have when released from a fission reaction?
What property do neutrons have when released from a fission reaction?
Kinetic energy
What type of nucleus can absorb neutrons to cause further fission?
What type of nucleus can absorb neutrons to cause further fission?
Large, unstable nucleus
Why are chain reactions dangerous?
Why are chain reactions dangerous?
Very difficult to stop
What does each fission reaction produce?
What does each fission reaction produce?
Many neutrons
What are control rods used for in nuclear reactors?
What are control rods used for in nuclear reactors?
Absorb excess neutrons
How do control rods limit fission reactions?
How do control rods limit fission reactions?
By absorbing neutrons
What type of fission reactions occur in nuclear reactors?
What type of fission reactions occur in nuclear reactors?
Controlled reactions
What type of chain reaction occurs in a nuclear weapon?
What type of chain reaction occurs in a nuclear weapon?
Uncontrolled chain reaction
What do neutrons induce in nuclear fission?
What do neutrons induce in nuclear fission?
Fission reactions