General Science Flash Card Set 195284

Card 2 of 10
Frequency

The rate of vibration of sound is called frequency and is measured in hertz (Hz). One hertz is one repetition per second and sounds with high frequency have a higher pitch than sounds with lower frequency. Humans can hear sounds in the range of 20 Hz to 20 kHz.

frequency

The rate of vibration of sound is called __________ and is measured in hertz (Hz).