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Chapter 14 Lesson 1

Waves

TermDefinition
waves disturbances that transfer energy from one place to another without transferring matter
amplitude maximum distance a wave varies from its rest position
electromagnetic wave travels through matter or through empty space
frequency number of wavelengths that pass a point each second
longitudinal wave particles of a medium move back and forth parallel to the direction the wave travels
mechanical wave travels only through matter
refraction change in direction of a wave as it changes speed, in moving from one medium into another
transverse wave the disturbance is perpendicular to the direction the wave travels
Created by: mrs.wills