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Light Vocabulary

5th Grade Science vocabulary on light

QuestionAnswer
visible light energy that the human eye can see
visible spectrum part of the electromagnetic spectrum that humans can see
reflection when light bounces off a surface
refraction when light enters a medium and bends
opaque no light can pass through; light is reflected or absorbed
transparent light is transmitted through; the object is clear
translucent some light is transmitted, some is absorbed and some is scattered
wavelength on a wave, the distance from crest to crest
crest the top or highest part of a wave.
trough the bottom of a wave
medium solids, liquids and gases
energy ability to cause change (do work)
ROYGBIV acronym for the colors of the rainbow: Red, Orange, Yellow, Green, Blue, Indigo and Violet
convex a surface that is curved outward (light waves become focused)
concave a surface that is curved inward (light waves are spread out)
lens a curved piece of transparent material used to refract light
mirror a smooth, very reflective surface
absorb to take in or swallow up (rather than transmit or reflect)
transmit to go through
image picture
Created by: metankersley
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