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3.9 Vocabulary

Across
an arc made up of different colors that forms in the sky when light is reflected, refracted, and dispersed in water droplets
occurs when light bounces off of the surface of an object
a mixture of all the colors that make up visible light: red, orange, yellow, green, blue, indigo, and violet
Down
the separation of visible light into its different colors
occurs when a ray of light passes from one medium to another but changes direction
a form of kinetic energy that travels through space