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Physical Science
Types of Waves - Chapter 16
12
Science
8th Grade
11/18/2009

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Term
What is sound ?
Definition
a disturbance that travels through a medium as a longitudinal wave
Term
What is a medium ?
Definition
the matter a wave passes through
Term
What is a mechanical waves
Definition
Waves that use matter to transfer energy
Term
What is a transverse wave
Definition
a wave that causes the matter to move up and down or left to right
Term
What are the highest points of a transverse wave ?
Definition
crests
Term
What are the lowest points of a transverse waves?
Definition
troughs
Term
What is a compressional wave?
Definition
When matter in the medium moves forward and backward along the same direction that the wave travels.
Term
What kind of waves are sound waves ?
Definition
compressional waves
Term
What are waves called that can travel in space?
Definition
Electromagnetic waves
Term
1/2 the distance between a crest and a trough.
Definition
amplitude
Term
distance from the top of one crest to the top of the next crest
Definition
wavelength
Term
What can slinkies be used to describe?
Definition
Compressional waves
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