Physics GCSE
spontaneous fission
What spontaneous fission means in Physics GCSE, as defined for AQA.
Definition of spontaneous fission
Check what you remember
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Reference: AQA
A uranium-235 nucleus can split entirely on its own, but this is rare.
Topics that use spontaneous fission
- Nuclear fission (AQA GCSE)
Related terms
- chain reaction
- control rods
- energy released per fission
- energy transfer to thermal store
- fissions per second
- kinetic energy of fragments
- meltdown
- moderator and coolant
Using spontaneous fission in the exam
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