jueves, 5 de agosto de 2010

Vocabulary 1

bioluminescene: light produced by living organisms.


light ray: a straight-line beam of light as it travels outward from its source.


Law of Reflection: the angle of an incoming 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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