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MidTerm
Mid Term Study Guides
5
Science
7th Grade
01/14/2013
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Term
Waves
 Definition
Carry Energy, have amplitude that's related to energy, have frequencies, and speeds, and wavelengths
Term
Longitudinal Waves
 Definition

need a medium

areas of compressions

areas of rarefaction

sound waves

seismic waves
Term
Transverse waves
 Definition

particles move perpendicular to the motion of the wave

don't need a medium

can travel through outer space

electromagnetic spectrum

light waves

wavelength is from crest to crest or trough to trough

 
Term
medium
 Definition
solid liquid or gas
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