Sound Through Air
- Physics
- Class 5–8
- 3D model
- AR card
- English
See compressions and rarefactions in front of a speaker.
The 3D viewer and AR open with a free Lably account.

Also called
sound waves
What to look for
- A vibrating source disturbs nearby air.
- Sound in air has alternating compressions and rarefactions.
- Air particles vibrate back and forth while the disturbance travels onward.
Try this
Compare the direction of particle vibration with the direction of sound travel.
Topics
About this model
A GLB file of about 1988 KB, 67,920 triangles, shown in Lably's 3D viewer and, on a phone, placed in your room with AR. Credit: Lably-authored schematic teaching model. See /ar-library/credits.html.
