6th Grade - Chapter 2 Sound

The most common unit used to express loudness

An observed change in the frequency of a wave when the source or observer is moving.

The process of using reflected sound waves to find objects.

The combination of two or more waves that result in a single wave

A wave in which the particles of the medium vibrate parallel to the direction of the wave motion.

The extent to which a sound can be heard.

A measure of how high or low a sound is perceived to be , depending on the frequency of the sound wave.

A phenomenon that occurs when two objects naturally vibrate at the same frequency.

A system that uses acoustic signals and returned echoes to determine the location of objects, or to communicate.

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6th Grade - Chapter 2 Sound Diagram

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