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