absorb - This means to ‘soak up’ or ‘take in’. If something absorbs light it soaks it up and does not let it back out., angle of incidence - The angle between the normal and the ray of light hitting a mirror, angle of reflection - The angle between the normal and the ray of light leaving a mirror., angle of refraction - The angle between the light ray and the normal as it passes from one transparent material, blue - One of the three primary colours of light., dispersion - The separating of the colours in light, for example when white light passes through a prism., filter - Something which only lets certain colours through and absorbs the rest., image - A picture which forms in a mirror, or on a screen, or is made by lenses., incident ray - Light ray hitting a mirror., interface - The boundary between two materials., luminous sources - Objects which create light., normal - An imaginary line at right angles to a mirror, where a ray of light hits the mirror., opaque - Material that does not let light through., plane - Smooth and flat., plane mirror - Smooth, flat mirror., primary colours - The three main colours which can make white light (red, green and blue)., prism - A block of clear, colourless glass which is usually triangular., ray - A beam of light drawn on diagrams as a straight line, and showing which way it is travelling., ray diagram - A diagram showing the passage of light rays., reflect - To bounce off something., reflected ray - The ray of light bouncing off the mirror., reflection - Light bouncing back from a surface instead of passing through it., refraction - The change in direction when light goes from one transparent material to another., scatter - When light rays bounce off something in all directions., secondary colours - The colours are made when two primary colours mix., source - An object which creates something., spectrum - The seven colours of light., translucent - Material through which a glow of light can be seen., transmit - To send along or pass through., white light - Normal daylight, or the light from light bulbs, is white light.,

Light Vocabulary Science

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