Remember the last time you watched an old western and someone put his ear to the ground to listen for the wagon train or to the railroad track to listen for the train? Although this character in the movie might not have known all the particulars,what did he seem to know when it came to sound?

Question

Quizplus · Accepted Answer

The character demonstrated knowledge that sound can travel through any medium (like the ground or railroad tracks) and that sound is essentially waves of energy passing through a medium, displacing molecules temporarily. Sound waves do not necessarily grow stronger as they travel from their source; they can actually lose energy and become weaker, so option C is incorrect.

Remember the Last Time You Watched an Old Western and Someone