OCHS waves group 1

14 terms by rmoehlmann 

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Prentice Hall ch 17 vocab, mechanical waves

mechanical wave

disturbance in matter that carries energy from one place to another

medium

the material through which a wave travels

crest

highest point above rest position

trough

lowest point below rest position

transverse wave

wave that causes the medium to vibrate at right angles to the direction that the wave travels

compression

area where particles are close together in a longitudinal wave

rarefaction

area where particles are spread out in a longitudinal wave

longitudinal wave

a wave in which the vibration of the medium is parallel to the direction the wave travels

surface wave

wave that travels along a surface separating 2 media

period

time required for one complete cycle of wave to pass

frequency

number of cycles in a given time; measured in Hz

wavelength

distance between a point on one wave and the same point on the next cycle of the wave

amplitude

maximum displacement of medium from rest position

Hertz

the unit of frequency, equal to one cycle per second

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