Eyes - Globular organs of sight in the head of humans and vertebrate animals., Filter - Pass through a device to remove unwanted material (liquid, gas, light or sound)., Light - The natural agent that stimulates sight and makes things visible, Light source - Something that provides light, whether it be a natural or artificial source of light (e.g. the sun, a torch)., Transluscent - An object which allows some light to pass through it. It may be possible to see some unclear images through the object (tissue paper)., Opaque - An object which does not allow light to pass through (e.g. wood)., Transparent - An object which allows light to pass through it so that objects behind it can be easily seen (glass)., Periscope - An apparatus consisting of a tube of attached to a set of mirrors or prisms through which an observer can see things that are otherwise out of sight., Prism - When light passes through a different object and its direction changes., Rainbow - An arch of colours visible in the sky, caused by the refraction and dispersion of the sun’s light by rain or other water droplets in the atmosphere., Ray - A beam of light given off by a light source., Reflection - The throwing back by a body or surface of light, heat or sound without absorbing it., Refraction - The bending of light as it passes from one substance to another with the bending caused by the difference in density between two substances., Shadow - A dark area or shape produced by a body coming between rays of light and a surface., Spectrum - A band of colours, as seen in rainbows, produced by separation of the components of light by their different degrees of refraction.,

Year 6 Light - Key Vocabulary

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