Properties of Sound Answers

Dewayne, a pianist, wants to compare sound quality. Which scenario describes how he could do this?

What is the difference between sounds that have the same pitch and loudness?

Four people are spaced at different distances from where a dog is barking. The barking will sound the loudest to the person who is standing

Shelli is a student describing the resonance of a metal beam. She demonstrates that the sound dims when the beam is vibrated at a certain frequency.

How is a less-intense wave different from a more-intense wave?

Evelynn is measuring the pitch of a piano note. What unit of measurement is she most likely recording her value in?

What does resonance result in?

Which refers to the amount of energy in a sound wave per unit of time and is also related to the loudness of a sound?

Jamie hears a high-pitched sound that then changes to a low-pitched sound. What is most likely occurring?

Four different observers are standing in a straight line on a street and hear a siren from a police car. Each person recorded their observations in the chart shown.