​Sound is a wave-like form of energy

Light Energy travels in transverse waves

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Sound energy travels in longitudinal waves​

S

​Parts of a Sound Wave

​There are 3 characteristics of sound

Subject | Subject

Quality: this allows us to differentiate one sound from another

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Pitch: how high or low a sound is​

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Loudness: the volume of a sound​

Amplitude affects volume of a sound. when increased a sound will be louder

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Frequency of wavelengths affects pitch. Increasing wavelengths means increasing pitch or highness of a note​

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​Interpreting sound waves

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​Echoes

An echo is produced when a sound hits a hard object and bounces back​

Echoes are used in:

• echolocation

• calculating distance

• sonar technology

• finding the depth of water​