Sound is any audible vibration of molecules A vibrating object sets up vibrations in nearby air molecules, which travel to the eardrum and cause it to vibrate.
(Sound; is; any audible vibration of molecules A vibrating object sets up vibrations in nearby air molecules,) (nearby air molecules; travel; to the eardrum) (nearby air molecules; cause; it) (A vibrating object; sets up; vibrations in nearby air molecules)
Sound nearby air molecules nearby air molecules A vibrating object
is travel cause sets up
any audible vibration of molecules A vibrating object sets up vibrations in nearby air molecules,
to the eardrum
it
vibrations in nearby air molecules