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Physical Science

Unit X - Waves - Level 2

TermDefinition
Compression The part of a longitudinal wave where the density of the particles is the biggest
Rarefaction The part of a longitudinal wave where the density of the particles is the smallest
Diffraction A wave spreading out after it passes through an opening or around an edge
Refraction A wave bending after entering a new medium
Reflection Occurs when a wave bounces off a hard boundary
Constructive Interference When two waves meet, they can be added together if they are “in-phase” if the high points or low points are matched up
Destructive Interference When two waves meet, they can cancel each other out if they are “out of phase”, high and low points are not matched up.
Mechanical Wave Waves that require a medium
Electromagnetic Wave Waves that do not require a medium
Created by: Tyra Taylor
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