Assertion: sound wave | /r/HasProperty | compression waves
Facets:
value: in air
type: LOCATION
Source sentences:
text: Sound waves are compression waves.
text: Sound waves are compressions and rarefactions in the same direction as the direction of motion (longitudinal waves).
text: Sound waves are compressive waves, usually in air.
text: sound waves are compression waves, or longitudinal waves.
text: Recall that sound waves are compression waves.