Questions: 7. When you change the frequency, how does the sound change? 8. How does the frequency change the model that you see when you change it (include a diagram)? 9. How does changing the amplitude affect the sound you hear and the model you see?

Solution Steps

Frequency refers to the number of vibrations or cycles per second of a sound wave, measured in hertz (Hz). When you change the frequency of a sound wave, you alter its pitch. A higher frequency results in a higher pitch, while a lower frequency results in a lower pitch.

When you change the frequency, the model of the sound wave changes in terms of the number of wave cycles within a given time frame. A higher frequency will show more cycles in the same period, while a lower frequency will show fewer cycles. This change can be visualized as a denser or sparser wave pattern on a graph.

Amplitude refers to the height of the sound wave and is related to the volume or loudness of the sound. Increasing the amplitude makes the sound louder, while decreasing it makes the sound quieter. In a visual model, a higher amplitude results in taller waves, and a lower amplitude results in shorter waves.

Final Answer