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EM Crossword

Across
Slightly shorter wavelengths then violet light
The transfer of energy as EM waves
Slightly longer wavelengths than red light
Represents only a very small part of the range of frequencies
Passes through most living tissue
Down
Used to treat illnesses
Used in cellphones
"gamma rays at different ______
All the colors of the EM spectrum we can see
Used to measure Frequency
The distance light can travel in a unit of time through a given substance
Tells you how many cycles occur in an amount of time
The distance over which the waves shape repeats
The longest wavelengths used to broadcast