Dynamic microphone

Sound is a form of energy that is caused by the vibration of matter. Sound is transmitted through waves, which...

A standing wave is the combination of two waves that are moving in opposite directions. Standing waves are typically formed...

In this activity, students play different kinds of sounds near a computer’s microphone and watch the resulting visual display created...

Sound is a form of energy that is caused by the vibration of matter. Sound is transmitted through waves, which...