Sound

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created 6 years ago by Martino_Koo
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Sound Note Cards
updated 6 years ago by Martino_Koo
Grade levels:
8th grade
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1

Vibration

Vibration is a mechanical phenomenon whereby oscillations occur about an equilibrium point.

2

Pitch

Pitch is a perceptual property that allows the ordering of sounds on a frequency-related scale.

3

Amplitude

Amplitude is the objective measurement of the degree of change (positive or negative) in atmospheric pressure (the compression and rarefaction of air molecules) caused by sound waves.

4

Frequency

Frequency is the number of occurrences of a repeating event per unit time.

5

Oscillation

Oscillation is the repetitive variation, typically in time, of some measure about a central value (often a point of equilibrium) or between two or more different states.

6

Wave

A wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air.

7

Loudness

Loudness is the characteristic of a sound that is primarily a psychological correlate of physical strength (amplitude)

8

Particles

A sound particle is an imaginary infinitesimal volume of a medium that shares the movement of the medium in response to the presence of sound at a specified point or in a specified region.

9

Intensity

Sound intensity is defined as the sound power per unit area.