Vocabulary #1

1.Bioluminescence: light prosuced by a living organism.

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

3.Law of Reflection: the angle of an incoming light ray equals the of the refected ray.

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

5.Convex mirror: a mirror that curves out on the shiny side.