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Light Vocabulary

The following terms are from Real World Science: Light. Match each word with its definition.

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A	B
frequency	the number of light waves that pass a certain point during a given period of time
transparent	describes an object that transmits light, or allows light to pass through it
translucent	describes an object that lets some light waves pass through, but blocks others
refraction	the bending of light rays as they enter a new medium
colors	different frequencies of visible light; there are seven in the spectrum
light	energy that we can see and sometimes feel as heat
opaque	describes an object that reflects or absorbs all the light that strikes it
electromagnetic spectrum	full range of electromagnetic waves
reflection	the process of light striking an object and bouncing off
transmission	when light passes through matter