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PW.EW.3 Waves Vocab

Vocab

TermDefinition
Waves Oscillations that carry energy
Oscillation an up-and-down or back-and-forth motion
Vacuum space that has no matter in it
Mechanical Waves Waves that move through matter
Types of Mechanical Waves Water and Sound
Electromagnetic Waves Waves that move through vacuums
Types of Electromagnetic Waves Light Waves, X-Rays, Radio Waves
Wave Properties (definition) The four main characteristics of a wave
Amplitude one-half the distance between a wave's high point, and low point.
Crest High point of a wave
Trough Low point of a wave
Resting Point
Wavelength and Symbol
Wavelength Units
3 ways to measure wavelength are:
Frequency
Units for Frequency
Wave Speed
Wave Speed Units
Wave Speed Equation
Medium (apply your reading for your definition)
Reflection (and example)
Law of Reflection
Reflected Ray
Incident Ray
Refraction (and example)
Diffraction (and example)
Interference
Constructive Interference
Destructive Interference
Absorption
Absorbed Colors
Reflected Colors
Electromagnetic Spectrum (know the order and be able to describe each)
Visible Light Spectrum
Longitudinal Wave
Expansion
Compression
Intensity (of sound) how much energy the sound wave carries past a certain area.
Units of Sound decibels
Pitch Perception of sound wave frequency
Analog Signal Carry information but vary in both continuously in both amplitude and frequency.
Digital Signal Sends Signals in pulse waves and communicates using 1s and 0s
Created by: ncat22
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