Nuclear fission (Edexcel GCSE Physics): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
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Practise the questions
13 questions from this quiz
What happens during nuclear fission?
What happens during nuclear fission?
Unstable nucleus splits into two or more pieces
How many neutrons are typically produced when nuclear fission occurs?
How many neutrons are typically produced when nuclear fission occurs?
2 or 3 neutrons
What is a chain reaction in nuclear fission?
What is a chain reaction in nuclear fission?
Neutrons cause more nuclei to undergo fission
What form of energy is released along with the smaller nuclei and neutrons?
What form of energy is released along with the smaller nuclei and neutrons?
Gamma rays
In a nuclear power station, what do gamma rays heat to generate electricity?
In a nuclear power station, what do gamma rays heat to generate electricity?
Water
What is the function of control rods in a nuclear reactor?
What is the function of control rods in a nuclear reactor?
Absorb neutrons to control chain reaction
How do you slow down a chain reaction in a nuclear reactor?
How do you slow down a chain reaction in a nuclear reactor?
Lower control rods into reactor
What happens if an uncontrolled chain reaction occurs?
What happens if an uncontrolled chain reaction occurs?
Huge amount of energy released in explosion
Is spontaneous fission common or rare?
Is spontaneous fission common or rare?
Rare
What is the first step in most fission reactions?
What is the first step in most fission reactions?
Nucleus absorbs a neutron
What type of energy do all fission products have?
What type of energy do all fission products have?
Kinetic energy
At what rate does an uncontrolled chain reaction increase?
At what rate does an uncontrolled chain reaction increase?
Exponential rate
Which element is commonly used in nuclear fission?
Which element is commonly used in nuclear fission?
Uranium