Sound Waves Quiz

The speed at which sound travels through a medium, measured in meters per second (m/s).

The bouncing back of sound waves when they hit a surface.

The range of sound frequencies humans can hear, typically between 20 Hz and 20,000 Hz.

Sound waves with frequencies below 20 Hz. These are too low for humans to hear but some animals can, like elephants.

Sound waves with frequencies above 20,000 Hz. These are also too high for humans to hear but some animals can, like bats.

The distance between two consecutive compressions or rarefactions in a sound wave, denoted by the Greek letter lambda (λ).

The number of sound wave cycles per second, measured in Hertz (Hz).

The maximum displacement of air particles from their rest position in a sound wave. It determines the loudness of the sound.