Saturday, September 25, 2010
vocabulary 11
bioluminecence: light produced by living organisms.
light ray: a straight-line beamof light as it travels outward from its source.
law of reflection: the angle of anincoing light ray equals the angle of the reflected ray.
concave mirror: a mirror that curves in on the shiny side.
convex mirror: a mirror that curves out on the shiny side.
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