All terms in this list:
reflection: When light is bounced back of a shiny surface like a mirror. *Light is reflected off a mirror
refraction: When light changes direction because it passes through a different medium like glass or water. *The light was refracted in the glass of water
opaque: An object that allows no, or little light to pass through it. You cannot see through it.
transparent: An object that you can see through because light passes though it. *Glass is transparent.
translucent: An object that allows some light to pass though but scatters the light so there is not a clear image. *translucent plastic/glass
spectrum: the set of colours which light can be separated into *a spectrum of colours
incident ray: The ray of light that comes from a light source and hits and object. Compare to reflected ray
prism: A transparent block used to split up or reflect light.
absorb: If light is absorbed it doesn't reflect back. *a red object absorbs blue light but reflects red light.
transmit: to allow light to pass through an object. * glass transmits light
diffusion: When light is scattered because it hits a rough surface and the light is reflected in different directions.
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