Sound waves are characterized by the motion of particles in the medium. They are classified as mechanical waves because they require a medium for propagation, and the energy of the wave is transferred through the mechanical interactions between particles.
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Sound waves are characterized by the oscillatory motion of particles in a medium, transferring energy through compressions and rarefactions. They are classified as mechanical waves because they require a medium, such as air, water, or solids, for propagation. The energy of the wave is transmitted through the mechanical interactions between particles, involving compression and expansion of the medium.