martes, 17 de agosto de 2010

Vocabulary #1

1.Bioluminescene:light produced by living organisms





2.light ray: A straight -light beam of light beam of light as it travels outward from its source.




3.Law of reflection:The angle of an incoming light ray equals the angle of the reflected ray.





4.Concave mirror:A mirror that curves in on the shiny side.




5.Convex mirror:A mirror that curves out on yhe shiny side 







  


































































































































































































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