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Materials: Clear pyramid prism, white light, dark room,
Procedure: shine the white light onto the prism from any angle, change the angle until you get seven different colors.
Colors:
1. Red
2. Orange
3. Yellow
4. Green
5. Blue
6. Indigo
7. Violet
These colors are determined by wave length.

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(all definitions taken from dictionary.com)

Antinodal- the region of maximum amplitude between two adjacent nodes in astanding wave.

Diffract- the bending of waves, especially sound and light waves, around obstacles in their path.

Interference- the process in which two or more light, sound, or electromagnetic waves of the same frequency combine to reinforce or cancel each other, the amplitude of the resulting wave being equal to the sum of the amplitudes of the combining waves.

Nodes- a centering point of component parts.

Medium- the intervening substance through which impressions are conveyed to the senses or a force acts on objects at a distance.

Refract- the change of direction of a ray of light, sound, heat, or the like, in passing obliquely from one medium into another in which its wave velocity is different.

Wave- to move freely and gently back and forth or up and down

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ABC Zoom - Refraction: why glass prisms bend and separate light

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Change in direction of waves when they go through or around an obstacle in their way

Obstacles in light’s way cause shadows

Sometimes shadows appear in alternating circles of light and dark, but it’s only noticeable when you use a narrow beam of light

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whenever light destructively interferes, the two waves act to destroy one another  and make no light wave.

Whenever light constructively interferes, the two waves act to strengthen one another and to make a "super light wave."

the two-point source interference pattern will have  an alternating pattern of antinodal lines and nodal lines.

the antinodal lines are like bright lines and the nodal lines are like dark lines.

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All waves are known to go through refraction when they pass from one medium to another.

A wave will bend when it travels from a medium in which it travels slowly into one it travels fast in.

The amount of bending is measurable, and follows a specific math equation.

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When light waves bounce off of a mirrored surface, it creates an image.

Angle at which the light hits a reflecting surface.

Light follows the Law of reflection just like all other waves.

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A wave doesn't stop when it reaches the end of the medium, it will undergo certain behavioral changes.

Light reflects in the same way that any wave would reflect. Light refracts in the same way that any wave would refract. Light diffracts in the same way that any wave would diffract. Light undergoes interference in the same manner that any wave would interfere.