Vibration

Repeated back-and-forth motion of a particle when displaced from its original position.

Pitch

Pitch describes how high or low sound is, and depends on the speed of vibration of the object.

Amplitude

Amplitude is a measurement of the amount of energy transferred by a wave.

Frequency

The number of waves that pass a given point in one second.

Oscillation

Oscillation is going back and forth repeatedly between two positions or states.

Wave

The number of waves that pass a point in a certain period of time.

Loudness

Loudness is the measure of the response of the ear to the sound.

Intensity

The amount of energy flowing per unit time through a unit area that is perpendicular to the direction in which the sound waves are travelling.

Wavelength

The distance between two crests.