Sound in motion
Follow a vibration from an instrument to your brain.
Before you jump in
A plucked string, a passing siren, and a voice across a room all give your ears something to work with. The sounds feel immediate, but several steps connect a moving source with something you recognize. This quiz starts outside the ear, looking at the wave, before following the signal through the structures that make hearing possible.
You will separate pitch from the size of a vibration, reason through a short frequency example, and examine a familiar change caused by motion. The final questions bring that physical story into the ear without turning it into a medical test. There are no audio clips or perfect-pitch challenges here, so everyone can work from the same written clues. Keep asking what is moving and what kind of signal is being passed along. Those two questions tie the journey together.
What you’ll explore
- Vibration, pitch, and frequency
- Motion and the Doppler effect
- The ear's path from wave to signal
Connect the physical properties of sound with the steps that carry hearing signals to the brain.
What starts the sound produced by a plucked guitar string?
This is the opening question. Start the round to see the choices and test your answer.
