Properties of Light - Project 2 - Refraction and Defraction: Making a rainbow
Project 2
Refraction and Defraction: Making a rainbow
Purpose
Rainbows are a good example of refraction. Water droplets are the first step in rainbow formation. The droplets form tiny transparent prisms that reflect and refract sunlight. Refraction or bending of sunlight, or white light, makes the spectrum colors of red, orange, yellow, green, blue, and violet spread out and become visible. Refraction can be made to occur in many transparent materials, including glass, plastic, or water.
In this project, you will use a special plastic material to display the different spectrums found in colored light. The plastic material is called a diffraction gratingA device consisting of a surface into which are etched very fine, closely spaced grooves that cause different wavelengths of light to reflect or refract (bend) by different...
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