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7 terms

Energy/Sound

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Sound
A type of energy created by the vibration of atoms
Vibration
Rapid back and forth motion of molecules
Pitch
The highness or lowness of a sound
Compression
The point in a longitudinal wave where molecules are squeezed together as a result of disturbance
Rarefaction
The point in a longitudinal wave between compressions where the molecules are relaxed and in their original position
Medium
Any substance - solid, liquid or gas - that energy can travel through
Longitundinal
a wave whose direction of travel is the same as the disturbance