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Mrs. Smiley's Scienc

Light and Sound Ch. 1

QuestionAnswer
wave transmits energy through matter or empty space
medium substance through which a wave travels
mechanical wave a wave that needs a medium
electromagnetic wave a wave that does not need a medium
transverse wave particles vibrate up-and-down
longitudinal wave particles vibrate back and forth
crest the highest point of a transverse wave
trough the lowest point between each wave
compression part of a longitudinal wave where particles are crowded
rarefaction part of a longitudinal wave where particles are spread apart
Created by: mwalstro
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