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Sound and Waves
N/A
14
Science
8th Grade
04/26/2012

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Cards

Term
Amplitude
Definition
Distance from equilibrium to either the crest or trough
Term
Crest
Definition
The highest point of a wave
Term
Wavelength
Definition
Distance between identical points on 2 adjacent waves
-Distance between 2 crests or 2 troughs
Term
Diffraction
Definition
The bending of waves around a barrier
Term
Frequency
Definition
The number of wave crests that pass a point during 1 second
-Expressed in herts (Hz)
Term
Interference
Definition
The ability of 2 or more waves to combine and form a new wave
Term
Pitch
Definition
The highness or lowness of a sound, determined by frequency of sound waves
-Higher frequency, higher pitch
Term
Doppler Effect
Definition
An increase or decrease in wave frequency, caused by motion of the source and/or motion of the observer
-EX:Fire truck
Term
Resonance
Definition
Tendency of an object to vibrate at the same frequency as another vibrating source
Term

Electromagnetic Spectrum

 

Definition

Range of wavelengths or frequencies over which electromagnetic radiation extends -Rick Mustard Is Very Upset Xylophone Giraffe.

 

Radio

Microwave

Ifrared

Visible Light

Ultraviolet

X-ray

Gamma

Term
Conduction
Definition
The transfer of energy through matter in which energy moves from particle to particle
-Takes place more easily in solids than in liquids and gases
Term
Radiation
Definition
Transfer of energy in form of waves, a type of energy transfer that does not require a medium
Term
Convection
Definition
Transfer of engergy by the bulk movement of matter in which particles move from place to place in a fluid, carrying the energy with them
Term
Mechanical Mixing
Definition
Using 2 or more waves and artificially combing them with 1 or more waves
-With purpose
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