#P5.2.1
recall the differences in the penetration properties of alpha particles, beta particles and gamma rays
#P5.2.2
recall the differences between contamination and irradiation effects and compare the hazards associated with each of these
#P5.2.3
describe the different uses of nuclear radiations for exploration of internal organs, and for control or destruction of unwanted tissue
#P5.2.4
explain how ionising radiation can have hazardous effects, notably on human bodily tissues
#P5.2.5
explain why the hazards associated with radioactive material differ according to the radiation emitted and the half-life involved