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Sound

Sound

Properties of Sound Waves

Vibration– A vibration is a rapid back-and-forth movement.

Image result for vibration

Sound – Sound is a vibration that can be heard.

Image result for sound

Parts of a Sound wave-

Image result for parts of a sound wave

Frequency- Frequency is the number of sound waves that pass a point in a second. Frequency is measured in a unit called hertz.

Image result for Frequency

Speed of sound- Speed of sound in air is about 335m, (1,100ft) per second.

in air:

Image result for speed of sound in air

in water:

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Characteristics of Sound:

Pitch- Pitch is how high or low a sound is

Hearing ranges:

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Volume- Volume is how loud or soft the sound is

this is what loud and soft sound sound looks like in sound wave:

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Image result for soft sound wave

Quality

Timbre: Timbre is the quality of sound that distinguishes it from other sounds of the same pitch and volume.

Uses of Sound:

Seeing with sound is called echolocation

Echo is sound wave that bounces back toward its source

 

 

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I am a smart, kind and cheerful 10 year old. My hobbies include playing the piano and playing online games.

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