Cool Science - 4/8/13: Light Refraction Camp

By Emma Koch

April 8, 2013 Updated Apr 8, 2013 at 3:50 PM EDT

FORT WAYNE, Ind. (www.incnow.tv) -- In this week's episode of Cool Science Monday, Martin Fisher from Science Central will talk about the science of light refraction.

When light moves from one medium, such as air, to another medium, such as water, it bends or changes direction. This bend is called refraction. And, the angle that light makes as it moves from one medium to another is called the index of refraction.

Martin placed a clear glass bead into a beaker of water. The index of refraction for the glass and the water was not the same, so the bead was visible. Next, Martin placed the bead in a beaker of baby oil. The index of refraction for the baby oil was the same as that of the glass bead, and the bead disappeared.

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