If sound waves of the same energy were passed through a block of wood and a block of steel, which is more dense, the molecules of the steel would vibrate at a slower rate.
(sound waves of the same energy; were passed; through a block of wood and a block of steel) (steel; is; more dense) (the molecules of the steel; would vibrate; )
sound waves of the same energy steel the molecules of the steel
were passed is would vibrate
through a block of wood and a block of steel
more dense