Nuclear Fission & Fusion (AQA GCSE Physics): 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 fission occurs?
How many neutrons are produced when fission occurs?
Two or three neutrons
What is a chain reaction in nuclear fission?
What is a chain reaction in nuclear fission?
Neutrons cause other nuclei to fission
What form is energy released in during fission?
What form is energy released in during fission?
Gamma rays
How do nuclear power stations generate electricity from fission?
How do nuclear power stations generate electricity from fission?
Gamma rays heat water to make steam
What is the function of control rods?
What is the function of control rods?
They absorb neutrons
How are control rods used to slow down a chain reaction?
How are control rods used to slow down a chain reaction?
They are lowered into reactor
What happens during an uncontrolled chain reaction?
What happens during an uncontrolled chain reaction?
Huge energy released in explosion
How common is spontaneous fission?
How common is spontaneous fission?
Rare
What must an unstable nucleus absorb to undergo fission?
What must an unstable nucleus absorb to undergo fission?
A neutron
What do all fission products have?
What 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