On an oscilloscope, does a wave with a larger amplitude (greater crests and troughs) indicate louder sound or higher pitch?

This would be louder sound. Higher pitch would be represented by a more compressed wave that oscillates more times over a shorter period. Higher amplitude represents higher sound because the wave oscillates at the same speed, yet higher.

Hope this helped, and have a nice day!

Simple harmonic motion wind energy circulation best answer from the choices