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The Electromagnetic Spectrum

Across
Color with a wavelength a little longer than blue.
Different wavelengths of visible light appear to us as different_____.
Ray used by dentists.
Gives you a tan and kills microorganisms.
Light we can see is_____ light.
Down
All forms of waves from gamma rays to radio waves is the electromagnetic_____.
Heat lamp give off these rays.
Used to break up a beam of light.
Used to treat cancer.
Little bundles of light.