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GCSE Physics · key term
The likelihood that a hazard will cause harm, considered together with how serious that harm could be.
Used by Edexcel and OCR
Specification 6.36P · Paper 1
The chance that a hazard will cause harm, considered together with how serious that harm could be.
Revise: Nuclear Power EvaluationThe detailed nuclear reaction is studied separately. Here, the question is whether nuclear power is a good way to generate electricity once its benefits, costs and risks are considered together.
Paper 1, Paper 2
Keep routine operation, a possible accident and radioactive-waste disposal as separate issues; they involve different risks and precautions.
Do not treat negative public perception as proof that nuclear power is unsafe. Compare the perceived risk with evidence about the likelihood and possible severity of harm.
Write a risk-control answer as a chain: hazard → possible harm → specific control measure. “Be careful” is not a sufficient control.
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The risk concerns how likely the harm is and how serious it could be in the planned situation.
An estimate of the likelihood that a hazard will cause harm or damage.
The chance that an accident or harm will occur.