# What Are Prisms?

Prisms are parallelograms that are clear and polished. By definition, a prism must be capable of refracting light. It could be made from glass or any clear optic that can reflect light. You can find more information here: http://en.wikipedia.org/wiki/Prism_(optics)
What Are Prisms?
A prism is a transparent item, traditionally made of glass, with polished flat surfaces that relies on refraction to break light into the colors of the spectrum, or a rainbow. The typical shape of a prism is a triangle and the common use of the word... More »
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Q&A Related to "What Are Prisms"
 A prism is a very special and different shape. A prism is shaped like a triangle on the top. When you look at ther bottom of the prism its a square or rectangle. http://answers.ask.com/Science/Other/what_is_a_pri...
 A prism is a transparent element with shiny surfaces that refract light. It is usually glass, and is often in the shape of a triangle. They can split and refract light. http://answers.ask.com/Science/Other/what_are_pris...
 Light is all colors mixed together. When the light enters into a prism it gets bent. This is known as a refraction. Each color has it's own wavelength and will bend separately. http://answers.ask.com/Science/Physics/how_does_a_...
 A pentagonal prism is a unique type of prism in geometry. The base of the pentagonal prism is a pentagon which means that there are five sides that make up the entirety of the pentagonal http://answers.ask.com/Science/Mathematics/what_is...