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Jordans light vocabulary
light and color
12
Science
6th Grade
01/13/2006

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Term
Photons
Definition
a bundle of energy that is released when an atom loses some energy. A packet of energy in the form of light.
Term
frequency
Definition
The number of waves [crests or troughs] that pass a point in a given amount of time.
Term
amplitude
Definition
The distance between a waves mid point and it's crest or troughs.
Term
transverse waves
Definition
A wave in which the crest and troughs move at right angles to the direction of the of the waves travel.
Term
crest
Definition
The top of a wave.
Term
trough
Definition
The bottom of a wave.
Term
wavelength
Definition
The length of a wave.
Term
refraction
Definition
The bending of light waves as it travels through a material.
Term
reflection
Definition
the process of light bouncing off of an object.
Term
diffusion
Definition
When some light passes through and the remaining light is reflected.
Term
convex lens
Definition
a lens with skinny sides and a fatter middle that bends light to a focal point.
Term
concave lens
Definition
a lens the has fat sides and a skinny middle that bends light outwards.
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