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More Waves

More Waves Vocabulary

QuestionAnswer
When a wave bounces back after hitting a barrier Reflection
A reflected sound Echo
Bending a wave as it passes at an angle from one medium to another Refraction
The bending of waves around a barrier or through an opening Diffraction
Two or more waves overlapping Interference
The apparent change in the frequency of a sound caused by the motion of either the listener or the source of the sound. (refers only to sound) The Doppler Effect
How low or high you perceive a sound to be Pitch
How loud or soft a sound is perceived to be this Loudness or amplitude
The most common unit used to express loudness Decibel (dB)
The larger the amplitude of a sound wave, the __________the sound. Louder
The lower the frequency of a sound wave, the _____ the pitch of the sound. Lower
The bouncing back of a wave after it strikes a barrier Reflection
The process of using reflected sound waves to find objects Echolocation
A type of electronic echolocation used in a medical procedure Ultrasonography
An explosive sound heard when a shock wave reaches your ears Sonic boom
A result of interference in which parts of the wave are at the rest position and other parts of the wave have a large amplitude Standing wave
When an object that is vibrating at or near another causes the 2nd object to vibrate as well Resonance
The bending of waves around barriers or through openings Diffraction
Created by: nmerson
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