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8 - Mod 3 Lesson 1

Introduction to Wave Properties

TermDefinition
Mechanical wave A wave that requires a medium through which to travel
Medium a physical environment in which phenomena occur
Transverse wave a wave whose particles oscillate perpenducular to the direction that the wave travels
Crest Highest point of a wave
Trough Lowest point of a wave
Longitudinal wave a wave in which the particles of the medium vibrate parallel to the direction of wave motion
Compression The part of a longitudinal wave where the particles of the medium are close together.
Rarefaction a part in a longitudinal wave where the particles of the medium are spread apart
Surface waves a wave that travels along the surface of a medium
Amplitude the maximum displacement on either side of the equilibrium (midpoint) position.
Wavelength the distance from any point on a wave to an identical point on the next wave
Frequency the number of complete wavelengths that pass a point in a given time
meters per second (m/s) Wave Speed is measured in
Hertz (Hz) Wave frequency is measured in
Meters (m) wavelength is measured in
decreases When frequency increases, wavelength _______.
increases When amplitude increases, energy ______.
stays the same When amplitude increases, wavelength ________
Created by: Ms. Greenup
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