Frequency and pitch

Frequency and pitch are related

-A sound's pitch tells how high or low a sound is -high frequency sound has a high pitch I.e. A whistle - a low frequency sound has a low pitch I.e. Thunder

Ultrasonic definition

-Above 20,000 Hz frequency - ultrasonic sounds have too high a pitch to be heard by humans

Supersonic definition

-Speed faster than sound - Sound travels at 768 mph

Frequency of a wave is

-The number of complete waves per second - each pair of of compressions and rarefactions is a complete sound wave

The frequency of a sound wave is the number of

Compressions and rarefactions per minute

What can some animals hear

Dogs can hear sounds up to 50,000 Hz and dolphins and bats can hear sounds with even higher frequencies

Humans can hear sounds with

Frequencies between 20 Hz and 20,000 Hz

Pitch definition

How high or low a sound is

What is frequency measured in

It's measured in hertz and one hertz is equal to one wave per second