Cool Labs

Resonance: Speed of Sound
Resonance: Speed of Sound

Resonance occurs when an object is made to vibrate at its natural frequency, and the vibrations reinforce themselves, becoming larger. In the case of sound, the object can be a column (or other vessel) of air, and the larger vibrations...

Speed of Sound in Air
Speed of Sound in Air

In this lab students will measure the amount of time for a series of echoes, and calculate the time for one echo. They will then experimentally determine the speed of sound in air. An extension activity asks students to compare...