Nuclear fission (Edexcel GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What happens during nuclear fission?
What happens during nuclear fission?
An unstable nucleus splits into pieces
How many neutrons are produced when a nucleus undergoes fission?
How many neutrons are produced when a nucleus undergoes fission?
Two or three
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 does the energy take if not transferred to nuclei or neutrons?
What form does the energy take if not transferred to nuclei or neutrons?
Gamma rays
In nuclear power stations, what do turbines do?
In nuclear power stations, what do turbines do?
Generate electricity
What is the function of control rods in nuclear reactors?
What is the function of control rods in nuclear reactors?
Absorb neutrons
What happens when control rods are lowered into the reactor?
What happens when control rods are lowered into the reactor?
Chain reaction slows down
What can happen if a chain reaction is uncontrolled?
What can happen if a chain reaction is uncontrolled?
A huge explosion may occur
How common is spontaneous fission?
How common is spontaneous fission?
Rare
What must an unstable nucleus absorb before it can undergo fission?
What must an unstable nucleus absorb before it can undergo fission?
A neutron
What do all fission products have?
What do all fission products have?
Kinetic energy
How do nuclear weapons work?
How do nuclear weapons work?
Through an uncontrolled chain reaction