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14MA5WavesSoundLight

TermDefinition
crest highest point in a mechanical wave
trough lowest point in a mechanical wave
resting point center of a mechanical wave- half way between the crest and trough
rarefaction center of a mechanical wave- half way between the crest and trough
compression in a longitudinal wave where the particles are CLOSE to each other (equivilent to the crest of a transverse wave)
reflection wave interaction; when a wave bounces off something
refraction wave interaction; when a wave bends when it enters a new medium
diffraction wave interaction; when a wave goes around a corner or an obstacle
interference wave interaction; when 2+ waves are in the same place at the same time- it can be constructive (bigger resulting wave) or destructive (smaller resulting wave) depending on what parts are at the same place at the same time
amplitude wave measurement; distance from the resting point to the crest (size of the wave)
wavelength wave measurement; distance between 2 waves- from the same part of adjoining waves, EX: crest to crest
pitch measurement; how high or low the sound is; depends on frequency and energy level
frequency measurement; how many waves pass a given point in a second- higher frequency is higher energy
Created by: jparsons
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