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→Key Stage 3
: [[Light]] is a [[Transverse Wave|transverse wave]].
: [[Light]] can travel through a [[vacuum]] as well as through any [[transparent]] [[solid]], [[liquid]], [[gas]].
: The [[speed]] of [[light]] through a [[vacuum]] is 300,000,000[[m/s]].
As a [[wave]] [[light]] can be:
*[[Transmit|Transmitted]] - [[Light]] can pass through a [[medium]].
*[[Absorb (physics)|Absorbed]] - The [[energy]] [[Energy Transfer|transferred]] by [[light]] can be taken in by an [[opaque]] [[material]].
*[[Reflection|Reflected]] - [[Light]] can bounce of a surface. This can be either [[Diffuse Reflection]] or [[Specular Reflection]].
*[[Refraction|Refracted]] - [[Light]] can change direction when it changes [[medium]].
Light can be divided into 7 [[colour]]s:
*Red