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Casteel Light 1

Light

TermDefinition
energy Light is a form of ___________________.
transverse Light travels in_______________________ waves.
straight Light travels in _________________ paths called rays and do not need a medium (solid, liquid, or gas) through which to move.
ray the straight line that represents the path of light
wavelength the distance between two consecutive waves, usually measured crest-to-crest or trough-to-trough
crest the highest point on a wave
trough a valley between two waves or the lowest point of a wave
frequency the number of waves passing a given point in one second
visible light Within the electromagnetic spectrum, the area that we see as light is known as "_____________________" or "white light".
red Of the visible light, ________ would have the longest wavelength.
violet __________________ has the shortest wavelength
ROY G BIV Acronym to remember order of visible light:
refract Light can be bent or _______________.
Smooth and hard ____________________________________________ objects are better at reflecting light than other objects.
rough When light bounces off a __________________ surface, it is scattered in many directions
angle The Law of Reflection states that when light hits a surface, the _______________ at which it is reflected (bounces off) is the same as the angle at which it strikes.
color The _______________________ of an object is the color of the light it reflects.
Black ____________________ is when a material absorbs all of the visible light and no light is reflected back.
White _____________ is a reflection of all visible light together.
prism A _____________ can be used to refract white/visible light.
bent When the different wavelengths of light in white light pass through a prism, they are ____________________ at different angles (refracted).
Created by: lkcasteel
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