20 pt 30 pt 40 pt 50 pt 10 pt 20 pt 30pt 40 pt 50 pt 10 pt 20 pt 30 pt 40 pt 50 pt 10 pt Sound.

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Presentation transcript:

20 pt 30 pt 40 pt 50 pt 10 pt 20 pt 30pt 40 pt 50 pt 10 pt 20 pt 30 pt 40 pt 50 pt 10 pt Sound

A shock wave produced by an object traveling faster than the speed of sound.

Sonic boom

A series of vibrations you can hear.

Sound

Moving areas of high and low pressure.

Sound waves

A measure of the sound energy reaching your ear.

Loudness

A measure of how high or low a sound is.

Pitch

The speed at which sound waves travel.

Speed of sound

An area where air is pushed together.

Compression

The distance from one sound wave compression to the next.

Wavelength

A sound reflection.

Echo

Shown by height on a wave diagram.

Amplitude