What is the primary purpose of a waveform in the study of sound?

To measure the temperature of the air through which the sound travels.

To create a visual representation of a sound's properties over time.

To change the pitch of a sound electronically after it has been recorded.

To amplify the loudness of a sound source directly without any equipment.

If you were to whisper a word and then shout the same word, what primary difference would you observe in the two words' waveforms?

The shouted word's waveform would show waves that are much closer together, indicating a higher frequency.

The shouted word's waveform would have a significantly greater amplitude.

The whispered word would not produce a measurable waveform, only the shouted word would.

The fundamental shape of the waveform pattern for the shouted word would be completely different and unrecognizable.

The piccolo's waveform has a much larger amplitude.

The cello's waveform shows more complex patterns.

The piccolo's waves have a shorter wavelength.

The cello's sound waves travel more slowly through the air, which is visible on the waveform display.

The sounds travel at different speeds through the air.

Each instrument produces a unique waveform pattern.

The piano note has a higher fundamental frequency than the violin note.

The air temperature affects the sound of each instrument differently.

The whale's distance and direction from the microphone.

The water temperature and the time of day the recording was made.

The sound's changing amplitude and wavelength over time.

The species of the whale and its exact age.