## Sound WavesBy: Amy Mai

This is the sound waves of a note played by the flute for .03 seconds.

Wavelength- Wavelengths are the distance from one wave to the same point on the next wave.

Amplitude- Amplitude is the amount of energy in a wave.

Frequency- The frequency is the number of vibrations in a given amount of time.

Crest- The crest is the highest point of the wave.

Trough- The lowest point of the wave.

Velocity- Wave velocity, distance traversed by a periodic, or cyclic, motion per unit time (in any direction). Wave velocity in common usage refers to speed, although, properly, velocity implies both speed and direction.

#### Behaviors of the Wave-

Velocities:

Sound waves travels through air at 343 m/s. The sound waves travel through water at 1,482 m/s. Sound waves travel through steel at 5,200 m/s.

How waves are precieved by human: Frequency is perceived by humans as pitch. The sound intensity is what humans can hear, and is generally only a specific range of sound, usually from 20 Hz to 20,000 Hz. The factors that go into a sound are its intensity, frequency and overtones (which are like interference or background noises).

Sources: Boundless. “Human Perception of Sound.” Boundless Physics Boundless, 26 May. 2016. Retrieved 21 Dec. 2016 from https://www.boundless.com/physics/textbooks/boundless-physics-textbook/sound-16/sound-intensity-and-level-129/human-perception-of-sound-459-10932/

Http://www.physics.classroom/class/sound

https://www.britannica.com/science/wave-velocity

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