The Colors of Light 6th grade Science Department

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Presentation transcript:

The Colors of Light 6th grade Science Department

Light Prisms These are a tool that use refraction to spread out the different wavelengths which make up white light

White Light White light is all the colors of visible light combined together This diagram demonstrates white light entering a prism and separating all the colors of light.

Colors of Light Each wavelength creates a different color (This means that each color of light bends at a different angle) Two factors determine the color of an object: Wavelengths that the object reflects/absorbs -- Wavelengths present in light that shines on object

Primary Colors of Light Three colors of light produce all the colors Red Green Blue

Electromagnetic Spectrum The range of all electromagnetic frequencies Usually represented in a diagram

Visible Light The part of the electromagnetic spectrum that human eyes can see Longest wavelengths are red and the shortest are violet

ROY G BIV The 7 colors of visible light are Red Orange Yellow Green Blue Indigo violet

Reflection & Absorption Visible light can either be reflected or absorbed If it is reflected then the wave bounces back after striking the object If it is absorbed then the wave is taken in by the object and its energy is changed to something new