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Light and the electromagnetic spectrum
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This wavelength has the shortest wavelength and greatest frequency.
gamma
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List the waves in order of decreasing wavelength.
radio, micro, infrared, visibke, ultraviolet, s-ray, gamma
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How much of the electromagnetic spectrum can humans see?
a small amount
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This wavelength causes sunburn.
ultraviolet
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The electromagnetic spectrum is organized by decreasing __________
wavelength.
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This wavelength cooks food.
microwaves
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List the colors of the visible spectrum.
red, orange, yellow, green, blue, indigo, violet
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This wavelength allows doctors see broken bones.
x-ray
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Waves with higher frequency have _________ wavelength.
smaller
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Wavelength is measured from the crest to the __________
crest.
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This wavelength is used mainly for communications.
radio
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True or false: Light waves travel in a straight line
True
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This wavelength keeps food hot.
infrared
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The higher the amplitude, the ___________ the light.
brighter
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Waves with a longer wavelength have __________ frequency.
lower
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