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Waves

TermDefinition
Wave A disturbance that moves through matter or space
Transverse Wave Causes particles in matter to move back and forth at right angles to the direction in which the wave travels
Compressional Wave Causes particles in matter to move back and forth along the same direction in which the wave travels
Wavelength The distance between one point on a wave and the nearest point moving with the same speed and direction (Crest to Crest or Trough to Trough)
Frequency Number of wavelengths that pass by a point each second
Law of Reflection The angle that the incoming wave makes with the normal equals the angle that the outgoing wave makes with the normal
Refraction The change in direction of a wave when it changes speed as it travels form one material to another
Diffraction Bending of waves around an object
Opaque Materials that let no light pass through it
Translucent Only allows some light to pass through it
Transparent Allows nearly all light to pass through it
Reflect When light bounces off an object
Absorb When all light is absorbed into an object
Transmit When light goes through an object
Loudness Volume, The magnitude of sound
Pitch The quality of sound (High, Medium, Low)
Echolocation The location of objects by reflected sound
Echo A sound or many sounds caused by sound waves bouncing of a surface back to a listener
Doppler Effect An increase or decrease in the frequency of sound, light, or other waves as one person moves closer or farther away from the other person.
Created by: dscarlata
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