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==Key Stage 4==
===Meaning===
[[File:IonisingRadiationSymbol.png|right|300px|thumb|The [[hazard]] symbol for '''ionising radiation'''.]]
[[Ionising Radiation]] is [[radiation]] which can cause [[atom]]s to lose [[electron]]s and become [[ion]]s.
===About Ionising Radiation===
: '''Ionising radiation''' damages living [[organism]]s.
: '''Ionising radiation''' may kill [[Cell (Biology)|cells]] by damaging the parts inside them, particularly the [[DNA]].
: '''Ionising radiation''' can cause the appearance of burns to the [[skin]]. A high enough dose of [[Ionising Radiation]] can cause instant death.
: The [[unit]]s of exposure to '''ionising radiation''' are the [[Sievert]] which is 1 [[Joule]] of [[energy]] from '''ionising radiation''' being [[Absorb (Physics)|absorbed]] by 1 [[kilogram]] of flesh.
In [[Nuclear Physics]] there are three types of '''ionising radiation''':
*[[Alpha Particle|Alpha]]