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19.2 green book waves!
science flashcards!
11
Science
7th Grade
10/15/2009

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Term
wave!
Definition
a periodic motion that carries energy through matter and space!
Term
 crest! 
Definition
the high points on a wave!
Term
troughs!
Definition
the low points on a wave!
Term
wavelength
Definition
the distance from any point on a wave to an  identical point on the next wave! 
Term
amplitude 
Definition
the maximum distance that the particles of a waves medium vibrate from their rest position!
Term
frequency 
Definition
the number of waves produced in a given time!
Term
visible spectrum 
Definition
the range of colors a human can see!
Term
decibles
Definition
units loudness is measured in!
Term
purpendicular
Definition
"at right angles"
Term
transverse waves!
Definition
waves in which the particles move perpendicularly!
Term
longitudinal waves
Definition
waves in which particles move back and forth!
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