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Light Also Keeps The Earth Warm Light Exists In Tiny Energy Packets Called Photons Each Wave Has A Wavelength Or Frequency The Human Eye Sees Each Wavelength As A Different Color.
Rainbows Show The Entire Spectrum Of Visible Light The Separate Colors Moving In From The Outer Edges Are Red Orange Yellow Green Blue Indigo And Violet.
Other Colors Can Be Seen Only With Special Cameras Or Instruments: Wavelengths Up The Frequency Of Red Are Called Infrared And Higher Than Of Violet Are Called Ultraviolet.
Light Moves In A Straight Line The Straight Line Path Is Often Drawn As A Ray That Moves In One Direction Ray Diagrams Are Used To Illustrate Light Traveling From One Place.
A Beam Of Light Can Be Thought Of As A Set Of Light Rays Objects That Block Rays Of Light Can Create Shadows Opaque Objects Block All Light Rays And Create A Darker Shadow.
Light Is A Form Of Electromagnetic Radiation It Is The Natural Agent That Stimulates Sight And Makes Things Easy To See Light Is The Opposite Of Darkness.
It Almost Completely With Making A Shadow Light Is A Form Of Electromagnetic Radiation That Shows Properties Of Both Waves And Particles It Is A Form Of Energy.
Whether It Can Be Seen Or Not In A Vacuum The Speed Of Light Is 299 792 458 Meters Per Second Or About 186 282 Miles Per Second This Means It Takes About 7 Minutes For Light To Reach Earth From The Sun.
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