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Science Waves and Sound
Has information about the behaviour of sound waves, Interference of sound, and sound waves
15
Science
8th Grade
04/22/2012

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Term
Frequency
Definition
The number of complete waves that pass at a given point in a second.
Term
Refraction
Definition
The bending of the path of a wave as a result of a change in wave speed.
Term
Crests 
Definition
The high points of the wave.
Term
Medium
Definition
Substance through which a wave transfers its energy.
Term
Oscillation
Definition
The back and forth motion
Term
Troughs
Definition
The low points of the wave.
Term
Diffraction 
Definition
When awater wave passes through a small gap.
Term
Interference
Definition
The reinforcement or cancellation when two or more waves meet.
Term
Transverse waves
Definition
Waves in which particles of the transmitting medium oscillate at right angles in the direction in which the waves are traveling.
Term
Reflection
Definition
The change in the course of a wave as a result of a collision of an object.
Term
Longitudinal Waves
Definition
Waves in which particles of the transmitting medium oscillate in the same direction that the wave moves.
Term
Wave
Definition
A periodic back and forth motion that transmits energy.
Term
Speed
Definition
The rate at which a wave travels through a certain medium
Term
Amplitude
Definition
The maximum distance that the particles are displaced by a wave
Term
Wavelength
Definition
The distance from one crest to the next, or from one trough to the next
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